Artykuły w czasopismach: „Physics Laboratory Report”

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Zhan, Wenlong. "Laboratory Report: Institute of Modern Physics, CAS". Nuclear Physics News 17, nr 2 (4.06.2007): 5–10. http://dx.doi.org/10.1080/10506890701404172.

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Poelker, M., i D. G. Crabb. "Summary Report for PSTP2013". International Journal of Modern Physics: Conference Series 40 (styczeń 2016): 1660007. http://dx.doi.org/10.1142/s2010194516600077.

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The 15[Formula: see text] International Workshop on Polarized Source Targets and Polarimeters was held at the University of Virginia, Charlottesville during September 9–13, 2013. It was sponsored jointly by the University of Virginia, Jefferson Laboratory and the International Spin Physics Committee. A summary of the workshop was presented.

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LIN, G. L., T. C. LIU, M. A. HUANG, W. Y. P. HWANG i C. C. CHEN. "LABORATORY ASTROPHYSICS IN TAIWAN". International Journal of Modern Physics B 21, nr 03n04 (10.02.2007): 378–88. http://dx.doi.org/10.1142/s021797920704215x.

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We report the development of laboratory astrophysics program in Taiwan. We begin with outlining Taiwan's participation in the FLASH collaboration for measuring the fluorescence yield using SLAC 28.5 GeV electron beam. We then report the domestic effort of studying cosmic ray shower properties using NSRRC 1.5 GeV electron beam.

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Eshach, Haim, i Ida Kukliansky. "Developing of an instrument for assessing students’ data analysis skills in the undergraduate physics laboratory". Canadian Journal of Physics 94, nr 11 (listopad 2016): 1205–15. http://dx.doi.org/10.1139/cjp-2016-0308.

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This paper describes the development and field test of the Laboratory Data Analysis Instrument (LDAI), aimed at diagnosing first-year students’ understanding of data analysis procedures. The design of this student-centered instrument is based on difficulties related to students’ data analysis skills required in an introductory physics laboratory. Difficulties were determined from previous literature, observations in laboratory classes, and interviews with students. The LDAI is single-context based, consisting of 30 multiple-choice and true/false questions embedded in a real laboratory report from a real laboratory. It was validated by seven experts: three physics professors, one science education lecturer, and three experienced laboratory instructors. Administration to 77 participants resulted in a Cronbach’s alpha of 0.702. The LDAI is a promising step toward having a valid and reliable diagnostic instrument that can be used by laboratory instructors in undergraduate physics laboratories.

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VanRyn, Valerie S., James M. Poteracki i Erica A. Wehrwein. "Physiology undergraduate degree requirements in the U.S." Advances in Physiology Education 41, nr 4 (1.12.2017): 572–77. http://dx.doi.org/10.1152/advan.00104.2016.

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Course-level learning objectives and core concepts for undergraduate physiology teaching exist. The next step is to consider how these resources fit into generalizable program-level guidelines for Bachelor of Science (BS) degrees in Physiology. In the absence of program-level guidelines for Physiology degree programs, we compiled a selective internal report to review degree requirements from 18 peer BS programs entitled “Physiology” in the United States (U.S.). There was a range of zero to three required semesters of math, physics, physics laboratory, general biology, biology laboratory, general chemistry, chemistry laboratory, organic chemistry, organic chemistry laboratory, biochemistry, biochemistry laboratory, anatomy, anatomy laboratory, core systems physiology, and physiology laboratory. Required upper division credits ranged from 11 to 31 and included system-specific, exercise and environmental, clinically relevant, pathology/disease-related, and basic science options. We hope that this information will be useful for all programs that consider themselves to be physiology, regardless of name. Reports such as this can serve as a starting point for collaboration among BS programs to improve physiology undergraduate education and best serve our students.

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Melbourne, William Dix. "SABRE South at the Stawell Underground Physics Laboratory". Journal of Physics: Conference Series 2156, nr 1 (1.12.2021): 012064. http://dx.doi.org/10.1088/1742-6596/2156/1/012064.

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Abstract The SABRE (Sodium-iodide with Active Background REjection) experiments aim to detect an annual rate modulation from dark matter interactions in ultra-high purity NaI(Tl) crystals. The SABRE South experiment is located at the Stawell Underground Physics Laboratory (SUPL), Australia, the first deep underground laboratory in the southern hemisphere, due to be completed in late 2021. SABRE South is designed to disentangle seasonal or site-related effects from the dark matter-like modulated signal first observed by DAMA/LIBRA in the Northern Hemisphere. It is a partner to the SABRE North effort at the Gran Sasso National Laboratory (LNGS). SABRE South is instrumented with ultra-high purity NaI(Tl) crystals immersed in a linear alkylbenzene based liquid scintillator veto, further surrounded by passive steel and polyethylene shielding and a plastic scintillator muon veto. The SABRE South experiment is under construction, and will be commissioned in early 2022. In this article we present the final design of SABRE South, the status of its construction, and its expected sensitivity to a DAMA/LIBRA like modulation. We will also present a brief report on the status of SUPL.

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Organtini, Giovanni, i Eugenio Tufino. "Effectiveness of a Laboratory Course with Arduino and Smartphones". Education Sciences 12, nr 12 (8.12.2022): 898. http://dx.doi.org/10.3390/educsci12120898.

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Arduino and Smartphones have been used since 2021 in a class of practicals held at Sapienza Università di Roma, to train physics undergraduates in laboratory activities. This paper briefly describes the organisation of the activities and report about the results of questionnaires administered to participating students before and after the course.

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Petropoulos, Michael, Antonios Leisos i Apostolos Tsirigotis. "μNet: Towards the first array of educational air shower detectors in Greece". International Journal of Modern Physics A 35, nr 34n35 (18.12.2020): 2044022. http://dx.doi.org/10.1142/s0217751x20440224.

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We report on the design and the pilot phase of the [Formula: see text]Net project that aims for the active involvement of Greek high school students in the experimental procedures of astroparticle physics and especially in cosmic ray physics. Through the anticipated educational program, the students from the geographical area of Peloponnese will construct and operate educational cosmic ray telescopes deployed at their school laboratory and/or perform distant educational activities utilizing the extensive air shower array and the relevant remotely operated experimental setups of the Hellenic Open University Physics Laboratory.

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Sneddon, PH, i R. Douglas. "The attitudes towards, and experiences of, laboratory teaching in Year 1 chemistry and physics university courses". New Directions in the Teaching of Physical Sciences, nr 9 (12.02.2016): 49–54. http://dx.doi.org/10.29311/ndtps.v0i9.499.

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Our study compares the attitudes to their lab experience of students in two science subjects, Chemistry and Physics. We found this to be consistent across the disciplines. Laboratory learning is appreciated by students, as a means to develop knowledge and skills. Many of the benefits that students report are in line with the aims set out by the American Association of Physics Teachers (AAPT) for practical teaching. This suggests that laboratory teaching in both subjects is meeting its goals and providing a valuable contribution to the education of students.

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Nkwande, Maganga John, Candida Mwisomba, Cuthbert Karawa i Joseph Sospeter Salawa. "Design of a Virtual Laboratory for Secondary Schools". East African Journal of Information Technology 7, nr 1 (10.10.2024): 394–99. http://dx.doi.org/10.37284/eajit.7.1.2291.

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This Virtual physics laboratory is an important instrument used in science, engineering, and technology courses to improve learning and understanding of many theoretical topics. This study proposes the introduction of a Virtual lab and need for a Virtual lab as an alternate tool in place of the physical lab for learning and understanding. The report examined developed virtual labs, compared the physical lab to the virtual lab, and justified the need for virtual lab adoption. Virtual labs are interactive simulators that use frontend and backend technology. Through the development of a virtual laboratory, this initiative seeks to transform the teaching of physics in secondary schools. The virtual laboratory gives students an immersive environment to conduct experiments, illustrate concepts, and investigate physical phenomena by getting over resource constraints and safety concerns. The lab provides lifelike simulations of mechanics, electricity, magnetism, and optics by utilizing technologies like virtual reality and simulation software. Features like adjustable parameters and instant feedback enhance student engagement and learning. Through user testing and feedback iterations, the laboratory is refined to align with educational objectives. Evaluation metrics assess its effectiveness in improving student understanding, retention, and overall learning outcomes. By democratizing physics education, this project empowers students worldwide to explore the wonders of the physical world in a dynamic digital environment, transforming physics instruction along the way

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Fokin, Roman. "Experience in Organizing Laboratory Work in Physics As an Example of Practice-Oriented Training". Profession-Oriented School 12, nr 3 (25.06.2024): 39–44. http://dx.doi.org/10.12737/1998-0744-2024-12-3-39-44.

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The article discusses the application of a practice-oriented approach to the training of cadets studying in the specialty 56.05.01 Logistics in educational organizations of the Federal Penitentiary Service of Russia. The requirements for the training of specialists in the rear services of the penal enforcement system are given. As an example of practice-oriented training, a methodology for organizing laboratory work in physics is proposed. The structure of the academic discipline and the specifics of its implementation in an educational organization are described. The concept of laboratory work, general issues of the organization of laboratory work and methods of their implementation are considered. The description of the methodological support of laboratory classes, the device of the applied laboratory layout, as well as the measuring equipment used is given. The stages of laboratory work, the order of assembly of the experimental installation by students, layouts of tables for entering empirical and calculated data, as well as the preparation of a report on laboratory work are described.

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Yoon-Hee Lee i 최혁준. "A Study on Application of Reflective Thinking-Based Laboratory Report in General Physics Experiment". Journal of Science Education 40, nr 3 (grudzień 2016): 203–18. http://dx.doi.org/10.21796/jse.2016.40.3.203.

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Riegel, Kimberly. "A Scaffolded Approach to Laboratory Report Writing for Non-Major and Introductory Physics Classes". Physics Teacher 59, nr 6 (wrzesień 2021): 488–90. http://dx.doi.org/10.1119/10.0006138.

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Vainshtein, L. A. "Atomic Physics for Hot Plasmas". International Astronomical Union Colloquium 102 (1988): 279–82. http://dx.doi.org/10.1017/s0252921100107900.

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This report treats some aspects of how to obtain and apply main atomic characteristics responsible for the intensities and satellite structures of spectral lines in hot plasmas.The experimental test, of theoretical methods and calculated cross- sections σ is often possible only in a plasma, especially for highly charged ions. In this case the rates < υσ >, rather than σ, are measured for different temperature values. Another difficulty is linked to the analysis of a large number of processes which have to be taken into account simultaneously.In laboratory plasmas (usually during an ionization stage) the ionization, excitation and dielectronic recombination rates are measured for numerous ions with Z ≤ 25. They are discussed in the report by H. Griem at this Colloquium. Unfortunately, in some cases the results are not consistent along the isoelectronic sequence and deviate considerably (up to a factor of 1.5 - 2) from those yielded by cross-beam methods, or calculations.

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Theip, Tran Duc, Nguyen Van Do, Nguyen Khac Thi, Nguyen Manh Sat, Troung Thi An i Tran Dinh Phu. "Twenty years operating of Flerov nuclear reaction laboratory microtron MT-17 in Vietnam". Физик сэтгүүл 10, nr 179 (13.03.2022): 64–77. http://dx.doi.org/10.22353/physics.v10i179.502.

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Mictrorons are accelerators of electrons and simultaneous sources of bremsstrahlung photon flux and fission neutrons. In 1982, a microtron of seventeen trajectories Microtron MT - 17 of FLNR put into operation at the National Institute of Physics of Vietnam. Thouf very modest, raicrotrons are very useful for developing countries such i Vietnam in both fundamental and applied physics research During the recei twenty years by using the above mentioned Microtron MT - 17 at microtrons from other institutes we have carried out different investigation In this report we present some results obtained in the studies of photonucle. reactions and photon activation analysis in the giant dipole resonance region

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Castro, Reigosa, i Carlos Emilio. "An action research experience about laboratory report writing by physics and chemistry eleventh grade students". Enseñanza de las Ciencias. Revista de investigación y experiencias didácticas 24, nr 3 (12.12.2007): 325. http://dx.doi.org/10.5565/rev/ensciencias.3785.

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Crowell, Anne D., i Harold Geller. "Using inquiry based simulations in the honors science laboratory". Innovations in Teaching & Learning Conference Proceedings 8 (15.07.2016): 2. http://dx.doi.org/10.13021/g8989k.

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The project known as PhET, originally stood for Physics Education Technology, but was quickly expanded into the other natural sciences. It is a project which, with a grant from the NSF and other sponsors, now provides free inquiry- based simulations in the natural sciences and mathematics. The project was founded by Nobel Prize winner Carl Wieman. The simulations are highly interactive, easy to use, and based on the latest educational research. The GMU Honors College teaches several science courses geared to high achieving liberal arts students. The courses cover a wide range of topics that include astrobiology, energy/environmental issues, and scientific thought and processes. Despite their high ability and motivation, these students often report a reluctance to engage in scientific inquiry. PhET simulations were used as laboratory experiments to teach basic concepts in physics and chemistry. Students display high engagement and interest utilizing PhET simulations. Students also were able to demonstrate creativity in problem solving, and a reduced fear of making mistakes. The PhET computer simulations allowed students to quickly identify cause and effect relationships between simulation inputs and outputs.

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Coutinho, Isabel Ribau. "Teaching and Learning Chemistry and Physics with a Laboratory Stations Model in a Flipped Classroom – A Preliminary Report". Advances in Social Sciences Research Journal 9, nr 9 (10.09.2022): 73–104. http://dx.doi.org/10.14738/assrj.99.12952.

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This research presents the efforts, to help students, hindered during the COVID19 pandemic, to learn chemistry. With the pandemic, Portuguese students that enrolled in the 10th grade in September 2021, had lower experience in the experimental work, since practical classes at school were suspended from mars 2019 to September 2021. So, students had difficulties in measuring or working with simple laboratory apparatus. They had difficulties in giving meaning to the experimental procedure, describing an observation, collecting data, analyzing data, and interpreting the results. In this context, it was necessary to have a learning and teaching approach different from the one they had in the last three years, to develop the skills they need. The first proposal was to use “Practical work by laboratory stations but it was not enough in the present context. So, a new learning and teaching project that blended digital tools/platforms and practical work in the laboratory was conceived. This learning and teaching project uses hybrid learning environments, based on practical work by laboratory stations, developed according to the collaborative Peer Instruction approach in a flipped classroom environment. The project's main goals were to develop scientific skills (like planning, collecting data observing and measuring, classifying, quantifying, predicting, controlling variables, interpreting, forming conclusions, and communicating) and increase their motivation to learn Chemistry and Physics. But also study the impact of the flipped classroom with laboratory stations, on motivation, self-regulation of learning, the perception of self-efficacy to self-regulate learning and the perceived instrumentality of the self-regulation process. The study population is the students enrolled in the 10th grade (upper secondary school), in a school near Lisbon. The research project was implemented in two classes: one class were subject to the new approach (one in the 10 grade), and the other maintained the regular practice (the control group). In this paper, the results from the first year will be presented and discussed. The data were collected in two moments, in September 2021 and June 2020. The preliminary results, of this research, show that laboratory classes with the flipped room increase not only the motivation and involvement in the learning process but also, the learning outcomes as students become more involved in the tasks.

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Alonso, J. R., J. M. Conrad, D. Winklehner, J. Spitz, L. Bartoszek, A. Adelmann, K. M. Bang i in. "IsoDAR@Yemilab: A report on the technology, capabilities, and deployment". Journal of Instrumentation 17, nr 09 (1.09.2022): P09042. http://dx.doi.org/10.1088/1748-0221/17/09/p09042.

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Abstract IsoDAR@Yemilab is a novel isotope-decay-at-rest experiment that has preliminary approval to run at the Yemi underground laboratory (Yemilab) in Jeongseon-gun, South Korea. Here, we describe in detail the considerations for installing this compact particle accelerator and neutrino target system at the Yemilab underground facility. Specifically, we describe the caverns being prepared for IsoDAR, and address installation, shielding, and utilities requirements. To give context and for completeness, we also briefly describe the physics opportunities of the IsoDAR neutrino source when paired with the Liquid Scintillator Counter (LSC) at Yemilab, and review the technical design of the neutrino source.

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Jenni, Peter. "Early physics results". Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 370, nr 1961 (28.02.2012): 933–49. http://dx.doi.org/10.1098/rsta.2011.0463.

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For the past year, experiments at the Large Hadron Collider (LHC) have started exploring physics at the high-energy frontier. Thanks to the superb turn-on of the LHC, a rich harvest of initial physics results have already been obtained by the two general-purpose experiments A Toroidal LHC Apparatus (ATLAS) and the Compact Muon Solenoid (CMS), which are the subject of this report. The initial data have allowed a test, at the highest collision energies ever reached in a laboratory, of the Standard Model (SM) of elementary particles, and to make early searches Beyond the Standard Model (BSM). Significant results have already been obtained in the search for the Higgs boson, which would establish the postulated electro-weak symmetry breaking mechanism in the SM, as well as for BSM physics such as Supersymmetry (SUSY), heavy new particles, quark compositeness and others. The important, and successful, SM physics measurements are giving confidence that the experiments are in good shape for their journey into the uncharted territory of new physics anticipated at the LHC.

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Romo, Miguel P., Manuel J. Mendoza i Silvia R. Garcia. "Geotechnical factors in seismic design of foundations state-of-the-art report". Bulletin of the New Zealand Society for Earthquake Engineering 33, nr 3 (30.09.2000): 347–70. http://dx.doi.org/10.5459/bnzsee.33.3.347-370.

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This paper revises the factors that influence the behavior of foundations in seismic environments. It discusses aspects related with seismic load definition, dynamic soil properties, field and laboratory testing equipment, geoseismic instrumentation of prototypes, foundation seismic stability, use of artificial intelligence, among others. It also points out areas where more research is needed to better our knowledge on the physics of the problem and to improve experimental and numerical techniques, with the purpose of making more reliable and less costly foundation systems.

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WASHIJIMA, Kouichiro, i Miyuki MIYAZAKI. "Interview Report on KOBE MATERIAL TESTING LABORATORY Co., Ltd." Journal of the Society of Materials Science, Japan 68, nr 4 (15.04.2019): 385–86. http://dx.doi.org/10.2472/jsms.68.385.

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Torchinsky, S. A., J. Ch Hamilton, M. Piat, E. S. Battistelli, P. de Bernardis, C. Chapron, G. D'Alessandro i in. "QUBIC III: Laboratory characterization". Journal of Cosmology and Astroparticle Physics 2022, nr 04 (1.04.2022): 036. http://dx.doi.org/10.1088/1475-7516/2022/04/036.

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Abstract We report on an extensive test campaign of a prototype version of the QUBIC (Q & U Bolometric Interferometer for Cosmology) instrument, carried out at Astroparticle Physics and Cosmology (APC) in Paris. Exploiting the novel concept called bolometric interferometry, QUBIC is designed to measure the CMB polarization at 150 and 220 GHz from a high altitude site at Alto Chorillo, Argentina. The prototype model called QUBIC Technological Demonstrator (QUBIC-TD) operates in a single frequency band (150 GHz) and with a reduced number of baselines, but it contains all the elements of the QUBIC instrument in its final configuration. The test campaign included measurements of the synthesized beam and of the polarization performance, as well as a verification of the interference fringe pattern. A modulated, frequency-tunable millimetre-wave source was placed in the telescope far-field and was used to simulate a point source. The QUBIC-TD field of view was scanned across the source to produce beam maps. Our measurements confirm the frequency-dependent behaviour of the beam profile, which gives QUBIC the possibility to do spectral imaging. The measured polarization performance indicates a cross-polarization leakage less than 0.6%. We also successfully tested the polarization modulation system, which is provided by a rotating half wave plate. We demonstrate the full mapmaking pipeline using data from this measurement campaign, effectively giving an end-to-end checkout of the entire QUBIC system, including all hardware subsystems, their interfaces, and the software to operate the whole system and run the analysis. Our results confirm the viability of bolometric interferometry for measurements of the CMB polarization.

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Teller, Raymond, James Richardson i John Carpenter. "Correspondent's Report: The Intense Pulsed Neutron Source at Argonne National Laboratory". Neutron News 15, nr 3 (lipiec 2004): 1. http://dx.doi.org/10.1080/748639044.

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Teller, Raymond, James Richardson i John Carpenter. "Correspondent's Report: The Intense Pulsed Neutron Source at Argonne National Laboratory". Neutron News 15, nr 3 (lipiec 2004): 9–13. http://dx.doi.org/10.1080/00323910490970672.

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Mahardika, I. Ketut, Sri Astutik, Alfido Fauzy Zakaria, Aris Doyan i Susilawati Susilawati. "Pengembangan Model Pembelajaran Meaningful Investigation Laboratory (MIL) untuk Meningkatkan Keterampilan Representasi Verbal, Grafik, dan Matematis (R-VGM) pada Pembelajaran Fisika SMA Di Jawa Timur". Jurnal Pendidikan Sains Indonesia 8, nr 2 (12.10.2020): 280–91. http://dx.doi.org/10.24815/jpsi.v8i2.17386.

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The need for learning innovation is indispensable as a result of the development of the 21st century. In the 21st century learning there is a shift in student-centered learning from teacher-centered learning including physics learning. Physics learning requires innovation by not only doing learning activities in the classroom. Learning that is always done in class will make students become bored. Innovation of learning activities can be done in the laboratory as an appropriate alternative compared to conventional learning in the classroom. On the other hand in learning physics the skills that students must possess are skills in verbal, graphic and mathematical representations (R-VGM). Meaningful Investigation Laboratory (MIL) Learning Model is a 21st century learning innovation. The 21st century learning model has precondition, investigation, report, and reinforcement syntactic. In the first syntax, precondition, the R-VGM skill is developed from the opening question of physical phenomena. In the second syntax, namely investigation, R-VGM skills can be developed from scientific inquiry. In the third syntactic report, R-VGM skills can be developed from reporting the results of scientific investigations in and group discussions. In the fourth syntax, namely reinforcement, R-VGM skills can be developed from the matter of reinforcement. And in the fifth syntactic, reflection, R-VGM skills can be developed from the connection and reinforcement of the learning completed.

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Binh, Nguyen Thanh. "Experimental Determination of Photo Luminesscense Quantum Yield of CdSe Quantum Dots". Communications in Physics 24, nr 3S2 (20.04.2016): 135–40. http://dx.doi.org/10.15625/0868-3166/24/3s2/5059.

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The fluorescence quantum yield or the efficiency of the fluorescence process is defined as the ratio of the number of photons emitted to the number of photons absorbed. In this report the experimental method to determinate photo luminescence (PL) quantum yield (QY) of CdSe quantum dot will be described. The experimental condition which depends on QY will be investigated. The QY values of CdSe which were prepared at Nano Materials Physics Laboratory Research Center for Dielectric and Advanced Matters Physics Pusan National University will be carried out and compared with the commercial CdSe sample.

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Nanto, D., R. D. Agustina, I. Ramadhanti, R. P. Putra i D. Mulhayatiah. "The usefulness of LabXChange virtual lab and PhyPhox real lab on pendulum student practicum during pandemic". Journal of Physics: Conference Series 2157, nr 1 (1.01.2022): 012047. http://dx.doi.org/10.1088/1742-6596/2157/1/012047.

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Abstract Virtual Laboratory (virtual lab) is a series of virtual experiment laboratories that have been designed and programmed to be used by students for practicum, especially during the Covid-19 pandemic. The virtual lab is helpful for student to build content knowledge which usually they do in real practicum activities. The virtual lab is arranged systematically. Therefore, the result should be close to the real value. Here we report our study on pendulum whether the virtual lab experiment yield the same result as the real laboratory (real lab). We compare both results of experimental data using data analytics and also graphic analytics. The results from the study, shows that there is no significant difference between virtual lab and real lab. Thus, the virtual laboratory is a comparable pendulum experimental result for students doing a remote practicum in physics.

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Suhartono, Suhartono, Cari Cari, Sarwanto Sarwanto, Elfi Susanti i Sri Fatmawati. "Transdisciplinary STEM education based on Among’s philosophy implementation against engineering problem-solving and motivation: The case monochromatic light, simple laser project". Eurasia Journal of Mathematics, Science and Technology Education 19, nr 11 (1.11.2023): em2359. http://dx.doi.org/10.29333/ejmste/13811.

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This study applied transdisciplinary STEM based on Among’s philosophy. This innovative program provides experiences using project-based learning (PBL) with limited laboratory facilities for technology learning. Involved 53 pre-service physics teachers in a physics laboratory course with the affordable cost laser creation project. STEM program using correlation study with a pre-experiment one-group pre-/post-test design approach. The instruments used include an engineering problem-solving cognition test and a motivational questionnaire regarding attitude, interest, and learning response, as well as reinforced by project report documentation. The results showed a significant improvement in engineering problem-solving cognition and motivation in STEM, with a moderately strong correlation between them. Among’s method and lab hands-on engagement contribute to a better engineering understanding and positively impact motivation. Utilizing equipment and materials at affordable costs can effectively integrate technology and engineering into practices.

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Sava, Tiberiu B., Corina A. Simion, Oana Gâza, Iuliana M. Stanciu, Doru G. Păceșilă, Gabriela O. Sava, Lukas Wacker i in. "Status Report on the Sample Preparation Laboratory for Radiocarbon Dating at the New Bucharest Roams Center". Radiocarbon 61, nr 2 (15.11.2018): 649–58. http://dx.doi.org/10.1017/rdc.2018.123.

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ABSTRACTThe accelerator mass spectrometry (AMS) center at Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, Bucharest, is based on the latest-generation 1 MV Tandetron® accelerator, produced by High Voltage Engineering Europa (HVEE), The Netherlands. The AMS center became fully functional at the start of 2013, and at the end of 2015 the laboratory established the RoAMS international code and it was added to the list of AMS laboratories maintained by Radiocarbon journal. An important aspect in the establishment of a new AMS laboratory is the declaration and documentation of the adopted protocols and to demonstrate the reliability and reproducibility of the measurements in comparison to internationally recognized reference materials. In this paper, we present the dating results on the Sixth International Radiocarbon Intercomparison (SIRI) samples that were pretreated, graphitized, and measured in our laboratory. The newly developed sample preparation laboratory can handle sample materials as (1) organic materials, (2) wood, (3) bones, and (4) carbonates. The results of our measurements are in very good agreement with the SIRI consensus values and confirm the reliability of our sample preparation laboratory and also the good performance of the HVEE AMS system. The blank levels for the SIRI materials are 0.277±0.045/0.333±0.046 percent modern carbon (pMC) for wood samples, 0.441±0.038 pMC for bone collagen, and 0.239±0.030 pMC for carbonate materials, considering an average mass of 1 mg sample graphite.

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Chuanxian, D., i T. Zhaohe. "Laboratory report—thermal spraying at the shanghai institute of ceramics". Journal of Thermal Spray Technology 1, nr 3 (wrzesień 1992): 205–9. http://dx.doi.org/10.1007/bf02646774.

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Monica, Abuh, i Peter Yakubu. "EFFECT OF INTERNET ADDICTION ON PHYSICS PRACTICAL WORK AMONG SECONDARY SCHOOL STUDENTS". International Journal of Advanced Research 9, nr 10 (31.10.2021): 958–63. http://dx.doi.org/10.21474/ijar01/13634.

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Physics education possesses great potential in providing an outstanding opportunity to drive and shape sustainable development for the future world. Perhaps, the subject is among the science subjects that are better learned through laboratory experiments. Practical physics work enables students to do experiments on the fundamental laws and principles and gain experience of using a variety of measuring instruments and other physics-related apparatus. However, insinuation suggests that most students show less commitment to practical work, attributed to various factors. Thus, the purpose of the present study was to examine internet addiction as a factor that could explain the variation in students participation in physics practical. One hundred and forty-four students who met the inclusion criteria were selected from secondary schools in the Kogi state as the participants. The respondents completed a self-report measure of internet addiction and practical physics participation. The result revealed that compulsive internet usage significantly predicts participation in physics practical. Thus, the study concluded that internet addiction is a positive determinant of students engagement in physics practical.

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Ramirez, A. J., D. Zanchet, G. Medeiros-Ribeiro i P. Tavares. "Technical Report: Industrial Research and Innovation at the Brazilian Synchrotron Light Laboratory". Synchrotron Radiation News 20, nr 4 (27.07.2007): 13–18. http://dx.doi.org/10.1080/08940880701510779.

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Shikha Tiwari, Dinesh K. Sahu, Vikrant Singh Thakur, Mohan Patel i T. L. Chandra. "Forensic morphological and elemental analysis of gold jewellery: A case study". International Journal of Science and Research Archive 9, nr 2 (30.08.2023): 516–19. http://dx.doi.org/10.30574/ijsra.2023.9.2.0608.

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In a cheating case, report was launched in the police station of Raipur city of Chhattisgarh state. In this case, a person was cheated in buying gold beads worth nearly 16 lakhs. As in forensic physics branch analysis and comparison of physical properties is done, case was registered in state forensic Science Laboratory, Raipur. The aim of this paper is to understand and apply basic principles of physics to solve unsettled cases and create awareness, whenever we purchase precious ornaments. In this case, a garland consisting of large number of round golden beads was received for examination of gold content assuming it to be gold of lower purity. Scanning Electron Microscope (SEM) examination, Energy Dispersive X-ray analysis (EDAX) examination of these beads were done in the laboratory. The results were supervising that there was no Gold (Au) in all the golden beads of garland, it consisted of Copper (Cu) and Zinc (Zn) in the ratio of Cu: Zn::2:1.

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Wehrwein, Erica A., Valerie S. VanRyn i Kevin Kelly. "Degree requirements of physiology undergraduate programs in the Physiology Majors Interest Group". Advances in Physiology Education 44, nr 4 (1.12.2020): 613–19. http://dx.doi.org/10.1152/advan.00179.2019.

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Physiology undergraduate degree programs operate in isolation relative to other biological science programs, with little to no understanding of how other institutions structure their course requirements and other degree requirements. The purpose of this report is to preliminarily describe the collective curriculum of physiology programs represented at the Physiology Majors Interest Group (P-MIG) annual meetings from 2018 to 2019. A short preconference survey was sent to attendees that inquired about degree requirements of their respective physiology programs. The requirement for Physiology I (69.2%) with laboratory (66.7%) and Anatomy I (57.1%) with laboratory (42.9%), or combined Anatomy and Physiology I (16.7%) and laboratory (18.2%), were common requirements, but many programs did not require Physiology II (27.3%) or Anatomy II (11.1%). There was nearly consensus on required prerequisites such as Biology (2 semesters with laboratories, 85.7%), Chemistry (2 semesters with laboratory, 88.9%), Physics (2 semesters with laboratory, 75%), Calculus I (61.1%), and Statistics (Biostatistics 42.9%; General Statistics 13.3%). There was less agreement among programs in regards to Calculus II (20.0%), Organic Chemistry (2 semesters, 55.6%), and Biochemistry I (47%), which may be reflective of individual department focus. There was considerable heterogeneity among physiology program course requirements for disciplinary core courses and upper division electives. This report is meant to generate discussion on physiology program curricula in efforts to improve physiology education for majors and assist P-MIG in determining minimal points of consensus as they write the first set of national curricular guidelines for degree programs.

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SONGSIRIRITTHIGUL, PRAYOON, W. PAIRSUWAN, T. ISHII i A. KAKIZAKI. "PHOTOEMISSION BEAMLINE AT THE SIAM PHOTON LABORATORY". Surface Review and Letters 08, nr 05 (październik 2001): 497–500. http://dx.doi.org/10.1142/s0218625x01001336.

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This report describes the first beamline for the Siam Photon Laboratory. The beamline has been designed to utilize synchrotron radiation in the VUV and soft X-ray regions generated by the Siam Photon Source. The beamline will be used for angle-resolved and high-resolution photoemission experiments to investigate electronic structures of surfaces and interfaces of solids.

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Piscicchia, Kristian, Alberto Clozza, Diana Laura Sirghi, Massimiliano Bazzi, Nicola Bortolotti, Mario Bragadireanu, Michael Cargnelli i in. "Optimization of a BEGe Detector Setup for Testing Quantum Foundations in the Underground LNGS Laboratory". Condensed Matter 9, nr 2 (11.04.2024): 22. http://dx.doi.org/10.3390/condmat9020022.

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In this work, we report on tests performed with an experimental apparatus prototype based on a broad-energy germanium detector aimed at investigating topical, foundational issues in quantum mechanics: i.e., possible violations of the spin-statistics connection and models of dynamical wave function collapse. Our recent phenomenological analyses demonstrated the importance of pushing the research of new physics signal, predicted in these fields, to an energy range below 10 keV. We describe the development of the dedicated data acquisition system and of the pulse shape discrimination algorithm, which have already allowed us to get a factor two improvement in the lower energy threshold. Future plans are discussed to further improve the lower energy threshold to the level of a few keV.

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Tabata, Makoto. "High-quality aerogel Cherenkov radiators recently developed in Japan". Journal of Physics: Conference Series 2374, nr 1 (1.11.2022): 012114. http://dx.doi.org/10.1088/1742-6596/2374/1/012114.

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Around 1980, Japan’s High Energy Accelerator Research Organization, also known as the KEK laboratory, began developing silica aerogels as a Cherenkov radiator. In 1996, the high energy physics group at Chiba University, Japan, began aerogel research and development in collaborating with KEK. The design of state-of-the-art Cherenkov detectors is enabled by improving aerogel transparency. Simultaneously, ultrahigh- and ultralow-refractive-index aerogels were developed to bridge the gap in the available indices for identifying low- and high-momentum particles, respectively. These are and will be employed in ongoing and future particle physics experiments all over the world. We report the latest results from the aerogel development and applications to threshold-type and ring-imaging Cherenkov detectors.

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Hernández, C. A., R. Prada Núñez i A. A. Gamboa. "Gains in active learning of physics: a measurement applying the test of understanding graphs of kinematics". Journal of Physics: Conference Series 2073, nr 1 (1.10.2021): 012003. http://dx.doi.org/10.1088/1742-6596/2073/1/012003.

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Abstract To teach the subject of physics in the classroom it is required that the teacher has and plans to carry a didactic strategy with him. Within this context is the methodology called Active physics learning, which is a strategy within the classroom and in the laboratory, as it allows the student to learn physics without depending on a textbook or the teacher who guides the course. The test of understanding graphs of kinematics assesses students’ comprehension of kinematics. We report the application of an active learning experience for the conceptual learning of kinematics of students taking the subject of physics in an elementary and middle school. The study is quasi-experimental with a single group of 29 students using a pretest-intervention-posttest design. With the results of the pretest and posttest the Hake learning gain index was estimated and showed evidence of the implementation of active learning in the conceptual evolution of students in kinematic concepts and their representation by means of graphs. This becomes a precedent for the improvement of pedagogical practice in favor of quality education.

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Bober, M., J. Zachorowski, W. Gawlik, P. Morzyński, M. Zawada, D. Lisak, A. Cygan i in. "Precision spectroscopy of cold strontium atoms, towards optical atomic clock". Bulletin of the Polish Academy of Sciences: Technical Sciences 60, nr 4 (1.12.2012): 707–10. http://dx.doi.org/10.2478/v10175-012-0082-x.

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Abstract This report concerns the experiment of precision spectroscopy of cold strontium atoms in the Polish National Laboratory of Atomic, Molecular and Optical Physics in Toruń. The system is composed of a Zeeman slower and magneto-optical traps (at 461 nm and 689 nm), a frequency comb, and a narrow-band laser locked to an ultra-stable optical cavity. All parts of the experiment are prepared and the first measurements of the absolute frequency of the 1S0-3P1, 689 nm optical transition in 88Sr atoms are performed.

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Ghaffari, H. O., B. D. Thompson i R. P. Young. "Complex networks and waveforms from acoustic emissions in laboratory earthquakes". Nonlinear Processes in Geophysics 21, nr 4 (24.07.2014): 763–75. http://dx.doi.org/10.5194/npg-21-763-2014.

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Abstract. Understanding the physics of acoustic excitations emitted during the cracking of materials is one of the long-standing challenges for material scientists and geophysicists. In this study, we report novel results of applications of functional complex networks on acoustic emission waveforms emitted during the evolution of frictional interfaces. Our results show that laboratory faults at microscopic scales undergo a sequence of generic phases, including strengthening, weakening or fast slip and slow slip, leading to healing. For the first time we develop a formulation on the dissipated energy due to acoustic emission signals in terms of short-term and long-term features (i.e., networks' characteristics) of events. We illuminate the transition from regular to slow ruptures. We show that this transition can lead to the onset of the critical rupture class similar to the direct observations of this phenomenon in the transparent samples. Furthermore, we demonstrate the detailed submicron evolution of the interface due to the short-term evolution of the rupture tip. As another novel result, we find that the nucleation phase of most amplified events follows a nearly constant timescale, corresponding to the initial strengthening or locking of the interface. This likely indicates that a thermally activated process can play a crucial role near the moving crack tip.

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Rovige, Lucas, Filipe D. Cruz, Robert S. Dorst, Jessica J. Pilgram, Carmen G. Constantin, Stephen Vincena, Fábio Cruz, Luis O. Silva, Christoph Niemann i Derek B. Schaeffer. "Laboratory Study of Magnetic Reconnection in Lunar-relevant Mini-magnetospheres". Astrophysical Journal 969, nr 2 (1.07.2024): 124. http://dx.doi.org/10.3847/1538-4357/ad4fff.

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Abstract Mini-magnetospheres are small ion-scale structures that are well suited to studying kinetic-scale physics of collisionless space plasmas. Such ion-scale magnetospheres can be found on local regions of the Moon, associated with the lunar crustal magnetic field. In this paper, we report on the laboratory experimental study of magnetic reconnection in laser-driven, lunar-like ion-scale magnetospheres on the Large Plasma Device at the University of California, Los Angeles. In the experiment, a high-repetition rate (1 Hz), nanosecond laser is used to drive a fast-moving, collisionless plasma that expands into the field generated by a pulsed magnetic dipole embedded into a background plasma and magnetic field. The high-repetition rate enables the acquisition of time-resolved volumetric data of the magnetic and electric fields to characterize magnetic reconnection and calculate the reconnection rate. We notably observe the formation of Hall fields associated with reconnection. Particle-in-cell simulations reproducing the experimental results were performed to study the microphysics of the interaction. By analyzing the generalized Ohm’s law terms, we find that the electron-only reconnection is driven by kinetic effects through the electron pressure anisotropy. These results are compared to recent satellite measurements that found evidence of magnetic reconnection near the lunar surface.

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LEE, Jaeyu, i Jaehyun KIM. "Status and Commissioning Plan of Korea-4GSR". Physics and High Technology 33, nr 5 (31.05.2024): 24–27. http://dx.doi.org/10.3938/phit.33.012.

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Multipurpose Synchrotron Radiation Construction Project is in progress to construct 4th generation storage ring with a 800-m-long circumference in Ochang. Its beam parameter is 4 GeV electron beam energy, lower than 100 pm emittance, 100 mA beam current. Currently, Korea Basic Science Institute is in charge of construction and Pohang Accelerator Laboratory (PAL) is in charge of the accelerator complex and ten beamlines. Recently, PAL is finalizing technical design and producing prototypes. In this report we introduce status and commissioning plan of 4GSR project focusing on beam physics part.

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Ruwiyah, S., N. F. A. Rahman, A. R. A. Rahim, M. Y. Yusof i S. H. Umar. "Cultivating science process skills among physics students using PhET simulation in teaching". Journal of Physics: Conference Series 2126, nr 1 (1.11.2021): 012007. http://dx.doi.org/10.1088/1742-6596/2126/1/012007.

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Abstract This paper concerns with the use of simulation as a pedagogical tool for a physics teaching strategy. This action research was conducted to investigate the scientific skills as a result of modelling learnt using PhET simulation. The cycle of action research involved in this study is planning, acting, observing and reflection. Through combining physics simulation with Science Process Skills (SPS) and Manipulative Skills (MS) to deliver real experimenting experience, the discussion is further to make connection with students’ achievement in Physics. One physics class involved in this study consist of 36 matriculation college students. Prior the study, students were briefed on the procedures for conducting the Harmonic Motion experiment using the PhET Simulations. Following this, students must completed the practical report for analysis, data interpretation and discussion. At the end of the teaching, a set of formative test was used to evaluate students’ mastery of Physics concepts after conducting the Simple Harmonic Motion simulation experiment. The results showed an increase in the percentage of frequency of study participants practicing Science Process Skills and Manipulative Skills (Conducting Experiments). In the Formative Test, the study participants showed a high average score of 13.9 marks, which is 93%. This study is able to develop the advantage of multimedia for physics laboratory works and explore its potential to strengthen scientific skills.

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Rocha, C. M. R., i H. Linnartz. "High-level ab initio quartic force fields and spectroscopic characterization of C₂N⁻". Physical Chemistry Chemical Physics 23, nr 46 (2021): 26227–40. http://dx.doi.org/10.1039/d1cp03505c.

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By relying on a high-level composite energy scheme, we report accurate quartic force fields and spectroscopic attributes for C2N−. The results are expected to trigger future laboratory and astronomical line surveys on this nitrile anion.

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Urban, K., M. Carminati, M. Descher, F. Edzards, D. Fink, C. Fiorini, M. Gugiatti i in. "Characterization measurements of the TRISTAN multi-pixel silicon drift detector". Journal of Instrumentation 17, nr 09 (1.09.2022): C09020. http://dx.doi.org/10.1088/1748-0221/17/09/c09020.

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Abstract Sterile neutrinos are a minimal extension of the standard model of particle physics. A laboratory-based approach to search for this particle is via tritium β-decay, where a sterile neutrino would cause a kink-like spectral distortion. The Karlsruhe Tritium Neutrino (KATRIN) experiment extended by a multi-pixel Silicon Drift Detector system has the potential to reach an unprecedented sensitivity to the keV-scale sterile neutrino in a lab-based experiment. The new detector system combines good spectroscopic performance with a high rate capability. In this work, we report about the characterization of charge-sharing between pixels and the commissioning of a 47-pixel prototype detector in a MAC-E filter.

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Barnaföldi, G. G., T. Bulik, M. Cieslar, E. Dávid, M. Dobróka, E. Fenyvesi, D. Gondek-Rosinska i in. "First report of long term measurements of the MGGL laboratory in the Mátra mountain range". Classical and Quantum Gravity 34, nr 11 (28.04.2017): 114001. http://dx.doi.org/10.1088/1361-6382/aa69e3.

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Nugraha, I., i E. Eliyawati. "The use of video laboratory report to develop presentation skills in science teacher education students". Journal of Physics: Conference Series 1157 (luty 2019): 022031. http://dx.doi.org/10.1088/1742-6596/1157/2/022031.

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Golovatiuk, Artem. "Directional Dark Matter Search with the NEWSdm experiment". Journal of Physics: Conference Series 2156, nr 1 (1.12.2021): 012044. http://dx.doi.org/10.1088/1742-6596/2156/1/012044.

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Abstract Despite the extensive search for the detection of the dark matter (DM), experiments have yielded null results: they are probing lower and lower cross-section values and touching the so-called neutrino floor. A way to possibly overcome the limitation of the neutrino floor is a directional sensitive approach: one of the most promising techniques for directional detection is nuclear emulsion technology with nanometric resolution. The NEWSdm experiment in the Gran Sasso underground laboratory in Italy is based on a novel nuclear emulsion acting both as the Weakly Interactive Massive Particle (WIMP) target and as the nanometric-accuracy tracking device. This would provide a powerful method of confirming the Galactic origin of the dark matter, thanks to the cutting-edge technology developed to readout sub-nanometric trajectories. Here we discuss the experiment design, its physics potential, the performance achieved in test beam measurements and the near-future plans. After submitting a Letter of Intent, a new facility for emulsion handling was constructed in the Gran Sasso underground laboratory. A Conceptual Design Report was submitted to INFN in Summer 2021.

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Kumano, Shunzo. "J-PARC Hadron Physics and Future Possibilities on Color Transparency". Physics 4, nr 2 (17.05.2022): 565–77. http://dx.doi.org/10.3390/physics4020037.

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The Japan Proton Accelerator Research Complex (J-PARC) is a hadron-accelerator facility that aims to provide secondary beams of kaons, pions, neutrinos, muons, and others together with the primary proton beam for investigating a wide range of science projects. High-energy hadron physics can be studied by using high-momentum beams of unseparated hadrons, which are essentially pions, and also primary protons. In this report, possible experiments are explained on color transparency and generalized parton distributions (GPDs). These projects are complementary to lepton-scattering experiments at Jefferson Laboratory (JLab), COMPASS/AMBER, and future electron-ion colliders. Thank to hadron-beam energies up to 30 GeV, J-PARC is a unique facility to investigate the transition region from the hadron degrees of freedom to the quark-gluon degrees of freedom. It is suitable for finding mechanisms of the olor transparency. Such color-transparency studies are also valuable for clarifying the factorization of hadron production processes in extracting the GPDs from actual measurements. These studies will lead to the understanding of basic high-energy hadron interactions in nuclear medium and to clarifications on the origins of hadron spins, masses, and internal pressure mechanisms.

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