Academic literature on the topic 'Radioactivity signal'
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Journal articles on the topic "Radioactivity signal":
Ambrosino, Fabrizio, Lenka Thinová, Miroslav Hýža, and Carlo Sabbarese. "214Bi/214Pb radioactivity ratio three-year monitoring in rainwater in Prague." Nukleonika 65, no. 2 (June 1, 2020): 115–19. http://dx.doi.org/10.2478/nuka-2020-0018.
Giokaris, N. D., D. F. Anderson, and B. J. Kross. "Signal from the natural radioactivity of depleted uranium in liquid argon." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 248, no. 2-3 (August 1986): 389–92. http://dx.doi.org/10.1016/0168-9002(86)91023-5.
Bellotti, E., C. Broggini, G. Di Carlo, M. Laubenstein, and R. Menegazzo. "STUDY OF THE TIME DEPENDENCE OF RADIOACTIVITY." Acta Polytechnica 53, A (December 18, 2013): 524–27. http://dx.doi.org/10.14311/ap.2013.53.0524.
Smith, John N., Robin M. Brown, William J. Williams, Marie Robert, Richard Nelson, and S. Bradley Moran. "Arrival of the Fukushima radioactivity plume in North American continental waters." Proceedings of the National Academy of Sciences 112, no. 5 (December 29, 2014): 1310–15. http://dx.doi.org/10.1073/pnas.1412814112.
Koo, Kil-Mo, Jin-Ho Song, Sang-Baik Kim, Kwang-Il Ahn, Won-Pil Baek, Kil-Nam Oh, and Gyu-Tae Kim. "Response Analysis on Electrical Pulses under Severe Nuclear Accident Temperature Conditions Using an Abnormal Signal Simulation Analysis Module." Science and Technology of Nuclear Installations 2012 (2012): 1–15. http://dx.doi.org/10.1155/2012/656590.
Mebinck, K., H. Middelkoop, N. van Diepen, E. R. van der Graaf, and R. J. de Meijer. "Radiometric fingerprinting of fluvial sediments in the Rhine-Meuse delta, the Netherlands – a feasibility test." Netherlands Journal of Geosciences 86, no. 3 (September 2007): 229–40. http://dx.doi.org/10.1017/s0016774600077829.
Harte, Robert J. A., Julian C. Matthews, Susan M. O'Reilly, D. W. Owen Tilsley, Safiye Osman, Gavin Brown, Sajinder J. Luthra, Frank Brady, Terry Jones, and Patricia M. Price. "Tumor, Normal Tissue, and Plasma Pharmacokinetic Studies of Fluorouracil Biomodulation With N-Phosphonacetyl-l-aspartate, Folinic Acid, and Interferon Alfa." Journal of Clinical Oncology 17, no. 5 (May 1999): 1580. http://dx.doi.org/10.1200/jco.1999.17.5.1580.
Szemraj, Janusz, Khalid N. I. Al-Nedawi, Ewa Chabielska, Wlodzimierz Buczko, and Zofia Pawlowska. "Tissue distribution of a menthyl-conjugated oligodeoxyribonucleotide antisense to PAI-1 mRNA." Acta Biochimica Polonica 52, no. 4 (November 21, 2005): 849–56. http://dx.doi.org/10.18388/abp.2005_3397.
MacPhee, C. H. "Granulocyte/macrophage colony-stimulating factor affects myo-inositol metabolism in a novel manner. Implications for its priming action on human neutrophils." Biochemical Journal 286, no. 2 (September 1, 1992): 535–40. http://dx.doi.org/10.1042/bj2860535.
Franchini, P. "DarkSide-20k Veto Photon-Detector Units: construction and characterization." Journal of Instrumentation 19, no. 05 (May 1, 2024): C05013. http://dx.doi.org/10.1088/1748-0221/19/05/c05013.
Dissertations / Theses on the topic "Radioactivity signal":
Hachem, Ali. "Characterization of radioactivity signals by embedded machine learning." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASP017.
In various applications, the classification of radiation detector signals is of crucial importance. This thesis focuses on a specific and complex use case, namely the discrimination of neutrons and gamma-rays in an organic plastic scintillator using integrated machine learning (ML). The solutions explored in this study could potentially be extended to the discrimination of other types of radiations in different detectors. We present a method for creating labeled neutron-gamma datasets acquired through an organic scintillator. This is critical as all neutron sources emit gamma-rays. Supervised Multilayer Perceptron (MLP) and 1D Convolution Neural (CNN) models are trained and evaluated with the prepared dataset using the labeling method. The 1D CNN model outperforms the MLP model, which, in turn, surpasses the state-of-the-art, especially for low-energy radiations ([100, 250] keVee). A second ML approach based on features extraction was explored for discrimination, allowing a signal to be represented by a dimension independent of the acquisition chain, thus facilitating the use of unsupervised adaptation methods. The results indicate that supervised models on raw signals perform better than the attribute-based approach. In this study, the "Form Factor" attribute is explored as a novel discrimination method, offering performance similar to the state-of-the-art algorithm without requiring parameter tuning. Finally, we implemented the proposed ML models and state-of-art algorithm on Field Programmable Gate Array (FPGA) for a discrimination on the fly, while maintaining latency below less than the signal duration. Considering latency and resource consumption as a basis for comparison, the order of the methods is reversed
Moline, Yoann. "Une architecture programmable de traitement des impulsions zéro-temps mort pour l'instrumentation nucléaire." Thesis, Dijon, 2015. http://www.theses.fr/2015DIJOS075/document.
In the field of nuclear instrumentation, digital signal processing architectures have to deal with the poissonian characteristic of the signal, composed of random arrival pulses which requires current architectures to work in dataflow. Thus, the real-time needs implies losing pulses when the pulse rate is too high. Current architectures paralyze the acquisition of the signal during the pulse processing inducing a time during no signal can be processed, this is called the dead time. These issue have led current architectures to use dedicated solutions based on reconfigurable components such as FPGAs. The requirement of end users to implement a wide range of applications on a large number of channels leads to propose an easily programmable architecture platform (C, C++). This thesis present presents a digital “pulse-driven” architecture that meets these constraints. This architecture is first composed of pulse extractors. They are capable of dynamically extracting the pulses according to their size for any type of detector that delivering pulses. These pulses are then distributed on a set of programmable and independent Functional Units (FU) which are "pulses driven". These FUs are able to handle the arrival of non-deterministic events and variable program execution times and indeterminate in advance. The virtual prototype of the architecture is developed in cycle accurate SystemC and shows promising results in terms of scalability while maintaining zero dead time. This architecture paves the way for novel real time pulse processing by reducing the gap between embedded real time processing and offline processing
Aouadi, Mehdi. "Détermination du rapport d’embranchement de la transition super-permise du carbone 10 et développement et intégration de la ligne de faisceau PIPERADE au CENBG." Thesis, Bordeaux, 2017. http://www.theses.fr/2017BORD0926/document.
The beta radioactivity studies in nuclear medium allow to participate in thedetermination of one of the parameters that describes the weak interaction (the vectorcoupling constant). For this purpose, numerous measurements have already been made todetermine this parameter with great precision for superallowed transition nuclei. However,for carbon 10, the relative uncertainty of the branching ratio is still high compared to otherparent nuclei with a value of the order of 0.13%. This high uncertainty is due to photonenergy emitted of 1021.6 keV which is really closed to the energy due to pile-up of twophotons of 511 keV. In May 2015, our group conducted an experiment at ISOLDE at CERN tomeasure the branching ratio very precisely. The nuclear reactions needed to produce thenuclei gave a large amount of nuclei of interest but also contaminants of the same massewhich also emit beta+ particles. A pile-up ratio of around 0.1 μs was calculated. Then, wefound a branching ratio of 1.500(4) % whereas the average from litterature is 1.4645(19) %.To study more species of nuclei and increase the intensity of the beams, GANIL(Grand Accélérateur National d’Ions Lourds) is currently developing a new accelerator as wellas a set of targets based on ISOL method. In order to reduce the contaminants deposit atthe measurement points, as we saw for the measurement of carbon 10 at ISOLDE, thecommunity of physicists also wants to develop separation apparati. In this context, since2011, our group has been involved in the development of two of these tools: a highresolutionseparator (HRS) to separate nuclei which need a mass resolving power (m / Δm)around 20,000 and a double Penning trap (PIPERADE) to separate the nuclei which require amaximum resolution of 100,000. Thus, at CENBG, a test beam line that includes a FEBIAD ionsource, a RFQ cooler-buncher (GPIB), an electrostatic switch, and a double Penning trap(PIPERADE) is under development. During apparati tests, we observe a transmissionefficiency around 80 %. Also, we measure a transverse emittance about 3 pi.mm.mrad whichis lower than 26 pi.mm.mrad observed before the GPIB. By the way, simulations of the beamline permitted to decelerate the beam and inject 98 % of ions.This thesis consists of two parts: the determination of the carbon 10 branching ratioand the development and integration of the PIPERADE beam line at CENBG
Di, Marco Marie. "Réduction du bruit de fond en vue de la détection de la matière sombre avec le projet PICASSO." Thèse, 2004. http://hdl.handle.net/1866/14759.
Books on the topic "Radioactivity signal":
Nakhostin, Mohammad. Signal Processing for Radiation Detectors. Wiley & Sons, Incorporated, John, 2017.
Nakhostin, Mohammad. Signal Processing for Radiation Detectors. Wiley & Sons, Incorporated, John, 2017.
Nakhostin, Mohammad. Signal Processing for Radiation Detectors. Wiley & Sons, Incorporated, John, 2017.
Nakhostin, Mohammad. Signal Processing for Radiation Detectors. Wiley & Sons, Limited, John, 2017.
Garcia, Ernest V., James R. Galt, and Ji Chen. SPECT and PET Instrumentation. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199392094.003.0003.
Book chapters on the topic "Radioactivity signal":
Huber, Josef Georg, Horst Schmidt-Böcking, and Bretislav Friedrich. "Walther Gerlach (1889–1979): Precision Physicist, Educator and Research Organizer, Historian of Science." In Molecular Beams in Physics and Chemistry, 119–61. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63963-1_8.
Mavi, Ahmet, Ahmet Özmen, and Mehmet Ertuğrul. "Analyzing and Presenting Data with LabVIEW." In LabVIEW - A Flexible Environment for Modeling and Daily Laboratory Use. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96130.
Buckle, V. J., and K. A. Rack. "Fluorescent in situ hybridization." In Human Genetic Disease Analysis, 59–82. Oxford University PressOxford, 1993. http://dx.doi.org/10.1093/oso/9780199633098.003.0004.
Conference papers on the topic "Radioactivity signal":
Guinn, I., N. Abgrall, I. J. Arnquist, F. T. Avignone, C. X. Baldenegro-Barrera, A. S. Barabash, F. E. Bertrand, et al. "Low background signal readout electronics for the MAJORANA DEMONSTRATOR." In LOW RADIOACTIVITY TECHNIQUES 2015 (LRT 2015): Proceedings of the 5th International Workshop in Low Radioactivity Techniques. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4927982.
Wu, Guohua, Liguo Zhang, and Jiejuan Tong. "Online Fault Diagnosis of Nuclear Power Plants Using Signed Directed Graph and Fuzzy Theory." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-66367.
Ivanov, Oleg, Alexey Danilovich, Vyacheslav Stepanov, Sergey Smirnov, and Victor Potapov. "Remote Measurements of Radioactivity Distribution With BROKK Robotic System." In ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2009. http://dx.doi.org/10.1115/icem2009-16147.
Pandola, L. "Muon-induced signals and isotope production in the GERDA experiment." In TOPICAL WORKSHOP ON LOW RADIOACTIVITY TECHNIQUES: LRT 2006. AIP, 2007. http://dx.doi.org/10.1063/1.2722076.
TOHMATSU, T., S. NAKASHIMA, H. HATTORI, A. SUGANUMA, and Y. NOZAWA. "A ROLE OF DIACYLGLYCEROL KINASE IN STIMULUS-SECRET I ON COUPLING OF HUMAN PLATELETS -DISSOCIATION OF SEROTONIN SECRETION FROM Ca2+ MOBILIZATION-." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644502.
Bibby, S. R., M. J. Crow, S. R. Puri, S. J. Sheehan, S. M. Rajah, and R. C. Kester. "THE EARLY THROMBOGENICITY OF IMPREGNATED DACRON GRAFTS ASSESSED IN AN ARTIFICIAL CIRCULATION." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643093.
Fesina, Yulia, Dmitrii Smirnov, Stanislav Uralsky, Vasilii Skitin, Artur Butaev, Sulaimi Ghadna, Abdullah Hadhrami, and Mahrooqi Alkhattab. "Enhancing Production From Low-Permeable Reservoirs With Advanced Hydraulic Fracturing Monitoring Techniques." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216835-ms.
Lang, Minggang. "The ATWS Analysis of One Control Rod Withdrawal Out of the HTR-10GT Core Under the Loss of the System Pressure." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-30015.
Vijayakumaran, P. M., C. P. Nagaraj, C. Paramasivan Pillai, R. Ramakrishnan, and M. Sivaramakrishna. "Nuclear Instrumentation Systems in Prototype Fast Breeder Reactor." In 12th International Conference on Nuclear Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/icone12-49354.