Literatura científica selecionada sobre o tema "X-ray photons"
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Artigos de revistas sobre o assunto "X-ray photons"
Reusch, Tobias, Markus Osterhoff, Johannes Agricola e Tim Salditt. "Pulse-resolved multi-photon X-ray detection at 31 MHz based on a quadrant avalanche photodiode". Journal of Synchrotron Radiation 21, n.º 4 (3 de junho de 2014): 708–15. http://dx.doi.org/10.1107/s1600577514006730.
Texto completo da fonteZhao, Di, Pengxian You, Jing Yang, Junhong Yu, Hang Zhang, Min Liao e Jianbo Hu. "A Highly Stable-Output Kilohertz Femtosecond Hard X-ray Pulse Source for Ultrafast X-ray Diffraction". Applied Sciences 12, n.º 9 (7 de maio de 2022): 4723. http://dx.doi.org/10.3390/app12094723.
Texto completo da fonteSaá Hernández, Ángela, Diego González-Díaz, Pablo Villanueva, Carlos Azevedo e Marcos Seoane. "A new imaging technology based on Compton X-ray scattering". Journal of Synchrotron Radiation 28, n.º 5 (22 de julho de 2021): 1558–72. http://dx.doi.org/10.1107/s1600577521005919.
Texto completo da fonteSong, Sanghoon, Roberto Alonso-Mori, Matthieu Chollet, Yiping Feng, James M. Glownia, Henrik T. Lemke, Marcin Sikorski et al. "Measurement of the absolute number of photons of the hard X-ray beamline at the Linac Coherent Light Source". Journal of Synchrotron Radiation 26, n.º 2 (11 de fevereiro de 2019): 320–27. http://dx.doi.org/10.1107/s1600577519000250.
Texto completo da fontePickford Scienti, Oliver L. P. Pickford, e Dimitra G. Darambara. "Demonstrating a Novel, Hidden Source of Spectral Distortion in X-ray Photon Counting Detectors and Assessing Novel Trigger Schemes Proposed to Avoid It". Sensors 23, n.º 9 (1 de maio de 2023): 4445. http://dx.doi.org/10.3390/s23094445.
Texto completo da fonteFeranchuk, Ilya D., Oleg D. Skoromnik e Quang San Nguyen. "Method of the equivalent photons for modulated electron beam". Journal of the Belarusian State University. Physics, n.º 3 (7 de outubro de 2020): 24–31. http://dx.doi.org/10.33581/2520-2243-2020-3-24-31.
Texto completo da fonteHu, Kun, Matthew G. Baring, Alice K. Harding e Zorawar Wadiasingh. "High-energy Photon Opacity in the Twisted Magnetospheres of Magnetars". Astrophysical Journal 940, n.º 1 (1 de novembro de 2022): 91. http://dx.doi.org/10.3847/1538-4357/ac9611.
Texto completo da fonteKutukova, Kristina, Bartlomiej Lechowski, Joerg Grenzer, Peter Krueger, André Clausner e Ehrenfried Zschech. "Laboratory High-Contrast X-ray Microscopy of Copper Nanostructures Enabled by a Liquid-Metal-Jet X-ray Source". Nanomaterials 14, n.º 5 (29 de fevereiro de 2024): 448. http://dx.doi.org/10.3390/nano14050448.
Texto completo da fonteLewis, Cale E., e Mini Das. "Spectral Signatures of X-ray Scatter Using Energy-Resolving Photon-Counting Detectors". Sensors 19, n.º 22 (18 de novembro de 2019): 5022. http://dx.doi.org/10.3390/s19225022.
Texto completo da fonteRinkel, Jean, Debora Magalhães, Franz Wagner, Florian Meneau e Flavio Cesar Vicentin. "Detective quantum efficiency for photon-counting hybrid pixel detectors in the tender X-ray domain: application to Medipix3RX". Journal of Synchrotron Radiation 23, n.º 1 (1 de janeiro de 2016): 206–13. http://dx.doi.org/10.1107/s1600577515020226.
Texto completo da fonteTeses / dissertações sobre o assunto "X-ray photons"
Emre, Eylem. "Scanning Imaging With High Energy Photons". Master's thesis, Ankara : METU, 2003. http://etd.lib.metu.edu.tr/upload/1206614/index.pdf.
Texto completo da fonteBrink, Paul Louis. "Non-equilibrium superconductivity induced by X-ray photons". Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260725.
Texto completo da fonte梁邦平 e Pong-ping Leung. "High energy photons from accretion powered X-ray binaries". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1993. http://hub.hku.hk/bib/B31233727.
Texto completo da fonteLeung, Pong-ping. "High energy photons from accretion powered X-ray binaries /". [Hong Kong : University of Hong Kong], 1993. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13829853.
Texto completo da fonteFarquharson, Michael James. "Characterisation of bone tissue using coherently scattered x-ray photons". Thesis, University College London (University of London), 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243790.
Texto completo da fonteSu, Ting. "Quantitative material decomposition methods for X-ray spectral CT". Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEI056/document.
Texto completo da fonteX-ray computed tomography (X-ray CT) plays an important part in non-invasive imaging since its introduction. During the past few years, numerous technological advances in X-ray CT have been observed, including spectral CT, which uses photon counting detectors (PCDs) to discriminate transmitted photons corresponding to selected energy bins in order to obtain spectral information with one single acquisition. Spectral CT enables us to overcome many limitations of the conventional CT techniques and opens up many new application possibilities, among which quantitative material decomposition is the hottest topic. A number of material decomposition methods have been reported and different experimental systems are under development for spectral CT. According to the type of data on which the decomposition step operates, we have projection domain method (decomposition before reconstruction) and image domain method (decomposition after reconstruction). The commonly used decomposition is based on least square criterion, named proj-LS and ima-LS method. However, the inverse problem of material decomposition is usually ill-posed and the X-ray spectral CT measurements suffer from Poisson photon counting noise. The standard LS criterion can lead to overfitting to the noisy measurement data. In the present work, we have proposed a least log-squares criterion for projection domain method to minimize the errors on linear attenuation coefficient: proj-LLS method. Furthermore, to reduce the effect of noise and enforce smoothness, we have proposed to add a patchwise regularization term to penalize the sum of the square variations within each patch for both projection domain and image domain decomposition, named proj-PR-LLS and ima-PR-LS method. The performances of the different methods were evaluated by spectral CT simulation studies with specific phantoms for different applications: (1) Medical application: iodine and calcium identification. The decomposition results of the proposed methods show that calcium and iodine can be well separated and quantified from soft tissues. (2) Industrial application: ABS-flame retardants (FR) plastic sorting. Results show that 3 kinds of ABS materials with different flame retardants can be separated when the sample thickness is favorable. Meanwhile, we simulated spectral CT imaging with a PMMA phantom filled with Fe, Ca and K solutions. Different acquisition parameters, i.e. exposure factor and number of energy bins were simulated to investigate their influence on the performance of the proposed methods for iron determination
Galarowicz, Dale. "Instrumentation requirements for TREE Effects Data Collection at the Naval Postgraduate School Flash X-ray facility". Thesis, Monterey, California : Naval Postgraduate School, 1990. http://handle.dtic.mil/100.2/ADA237681.
Texto completo da fonteThesis Advisor(s): Maruyama, X.K. Second Reader: Michael, S.N. "June 1990." Description based on title screen as viewed on March 24, 2010. DTIC Descriptor(s): Data Acquisition, Electronics, Facilities, Instrumentation, Integrated Systems, Noise (Electrical And Electromagnetic), Photons, Pulse Generators, Pulses, Radiation, Requirements, Scale, Transient Radiation Effects, Transients, Trees, Wafers, X Rays. DTIC Identifier(s): Transient radiation effects, Data acquisition, X ray apparatus, Electromagnetic pulses, Theses. Author(s) subject terms: EMP, IEMP, Flash X-Ray Instrumentation. Includes bibliographical references (p. 105-106). Also available in print.
Manohar, Nivedh Harshan. "Effect of source x-ray energy spectra on the detection of fluorescence photons from gold nanoparticles". Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/45970.
Texto completo da fonteHabib, Amr. "Détecteurs radiologiques grande surface, multi-énergie". Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENT055.
Texto completo da fonteThe objective of the thesis is to propose a solution for a 2D integrated circuit X-ray imager working, either in spectrometric mode where each X photon energy is measured, or in charge integration mode where the total energy deposited by X-ray during an image is measured, the solution being compatible with large area detectors typically of 20 cm x 20 cm. A proof of concept prototype ASIC 'Sphinx' was designed and fabricated in CMOS 0.13 µm technology; the ASIC being formed of a matrix of 20 x 20 pixels with a 200 µm pixel pitch. The designed architecture allows the quantification of the incoming charge through the use of counter-charge packets as low as 100 electrons. The injected packets are counted for each X photon (in the spectrometric photon counting mode), or for all charges integrated during the image period (in charge integration mode). First characterization measurements prove the validity of the concept with good performance in terms of power consumption, noise, and linearity. A first part of the ASIC is dedicated to X-ray direct detection where a semiconductor, e.g. CdZnTe, hybridized to the ASIC's pixels converts X-photons to electrical charge. Another part of the ASIC is dedicated indirect X-ray detection where a scintillator, e.g. CsI:Tl, is used to convert X-photons to visible photons which are then detected by in-pixel photodiodes. For the latter mode, new forms of photodiodes characterized by fast detection and low capacity were designed, simulated, and fabricated in CMOS 0.13 µm technology on a different ASIC. Finally, the thesis concludes with proposing performance enhancing ideas to be potentially implemented in a future prototype
Jackson, Gavin John. "Local adsorption structure determination of chemically-specific species using normal incidence X-ray standing wavefields". Thesis, University of Warwick, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343835.
Texto completo da fonteLivros sobre o assunto "X-ray photons"
A, Nowak Michael, e United States. National Aeronautics and Space Administration., eds. X-ray variability coherence: How to compute it, what it means, and how it constrains models of GX 339-4 and Cygnus X-1. [Washington, DC: National Aeronautics and Space Administration, 1997.
Encontre o texto completo da fonteA, Nowak Michael, e United States. National Aeronautics and Space Administration., eds. X-ray variability coherence: How to compute it, what it means, and how it constrains models of GX 339-4 and Cygnus X-1. [Washington, DC: National Aeronautics and Space Administration, 1997.
Encontre o texto completo da fonteA, Nowak Michael, e United States. National Aeronautics and Space Administration., eds. X-ray variability coherence: How to compute it, what it means, and how it constrains models of GX 339-4 and Cygnus X-1. [Washington, DC: National Aeronautics and Space Administration, 1997.
Encontre o texto completo da fonteHansson, Conny, e Krzysztof Iniewski, eds. X-ray Photon Processing Detectors. Cham: Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-35241-6.
Texto completo da fonteFraser, G. W. X-ray detectors in astronomy. Cambridge: Cambridge University Press, 1989.
Encontre o texto completo da fonteFraser, G. W. X-ray detectors in astronomy. Cambridge [England]: Cambridge University Press, 1989.
Encontre o texto completo da fonteUnited States. National Aeronautics and Space Administration., ed. X-ray inverse Compton emission from the radio halo of M87: A thesis in astronomy. [University Park, Pa.]: Pennsylvania State University, The Graduate School, Dept. of Astronomy, 1985.
Encontre o texto completo da fonteFraser, G. W. X-ray detectors in astronomy. Cambridge: Cambridge University Press, 2009.
Encontre o texto completo da fonteNars, François. X-ray. New York: powerHouse Books, 1999.
Encontre o texto completo da fonteMarenkov, O. S. Handbook of photon interaction coefficients in radioisotope-excited x-ray fluorescence analysis. New York: Nova Science Publishers, 1991.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "X-ray photons"
Holland, Andrew. "X-ray CCDs". In Observing Photons in Space, 443–53. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7804-1_24.
Texto completo da fontePorter, F. Scott. "X-ray calorimeters". In Observing Photons in Space, 497–514. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7804-1_28.
Texto completo da fonteSmith, David M. "Hard X-ray and gamma-ray detectors". In Observing Photons in Space, 367–89. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7804-1_21.
Texto completo da fonteMargaritondo, Giorgio. "From Synchrotrons to FELs: How Photons are Produced; Beamline Optics and Beam Characteristics". In X-Ray Absorption and X-Ray Emission Spectroscopy, 23–50. Chichester, UK: John Wiley & Sons, Ltd, 2016. http://dx.doi.org/10.1002/9781118844243.ch2.
Texto completo da fonteFrauenfelder, Hans. "Scattering of Photons: X-Ray Diffraction". In The Physics of Proteins, 341–61. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-1044-8_25.
Texto completo da fonteHurford, Gordon J. "X-ray imaging with collimators, masks and grids". In Observing Photons in Space, 243–54. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7804-1_12.
Texto completo da fonteCulhane, J. Len. "X-ray astronomy: energies from 0.1 keV to 100 keV". In Observing Photons in Space, 73–91. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7804-1_4.
Texto completo da fonteAichinger, Horst, Joachim Dierker, Sigrid Joite-Barfuß e Manfred Säbel. "Interaction of Photons with Matter". In Radiation Exposure and Image Quality in X-Ray Diagnostic Radiology, 21–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11241-6_4.
Texto completo da fonteAichinger, Horst, Joachim Dierker, Sigrid Joite-Barfuß e Manfred Säbel. "Interaction of Photons with Matter". In Radiation Exposure and Image Quality in X-Ray Diagnostic Radiology, 15–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-09654-3_3.
Texto completo da fonteTanyag, Rico Mayro P., Bruno Langbehn, Thomas Möller e Daniela Rupp. "X-Ray and XUV Imaging of Helium Nanodroplets". In Topics in Applied Physics, 281–341. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94896-2_7.
Texto completo da fonteTrabalhos de conferências sobre o assunto "X-ray photons"
Peterman, D., M. Lemonnier e S. Megtert. "X-Ray Camera For Photons Counting". In International Topical Meeting on Image Detection and Quality, editado por Lucien F. Guyot. SPIE, 1987. http://dx.doi.org/10.1117/12.966762.
Texto completo da fontePeters, Darryl W., e David N. Tomes. "X-ray lithography using conventional Novolak resists". In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.fg3.
Texto completo da fonteChoi, Seongwook, Sinyoung Park, Jung-Joon Min, Changho Lee e Chulhong Kim. "X-ray induced acoustic computed tomography with a conventional x-ray contrast agent". In Photons Plus Ultrasound: Imaging and Sensing 2021, editado por Alexander A. Oraevsky e Lihong V. Wang. SPIE, 2021. http://dx.doi.org/10.1117/12.2576466.
Texto completo da fonteBurgdörfer, J., Y. Qiu, J. Wang e J. H. McGuire. "Double ionization of helium by photons and charged particles". In X-RAY AND INNER-SHELL PROCESSES. ASCE, 1997. http://dx.doi.org/10.1063/1.52257.
Texto completo da fonteJohns, Paul C. "Medical x-ray imaging with scattered photons". In Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging, editado por John C. Armitage. SPIE, 2017. http://dx.doi.org/10.1117/12.2283925.
Texto completo da fonteSchori, A., D. Borodin, K. Tamasaku e S. Shwartz. "Ghost Imaging with Paired X-ray Photons". In CLEO: Applications and Technology. Washington, D.C.: OSA, 2018. http://dx.doi.org/10.1364/cleo_at.2018.jth2a.7.
Texto completo da fonteShwartz, S., e S. E. Harris. "Polarization Entangled Photons at X-Ray Energies". In Nonlinear Optics: Materials, Fundamentals and Applications. Washington, D.C.: OSA, 2011. http://dx.doi.org/10.1364/nlo.2011.nwc3.
Texto completo da fonteTischler, J. Z., e B. C. Larson. "Time-resolved x-ray scattering using synchrotron sources". In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.md1.
Texto completo da fonteKmetec, J. D., C. L. Gordon, B. E. Lemoff e S. E. Harris. "Femtosecond generation of x-rays below 0.4 Å". In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.md3.
Texto completo da fonteLei, Hao, Wei Zhang, Ibrahim Oraiqat, Issam El Naqa e Xueding Wang. "2D x-ray dosimetry monitoring during radiotherapy using x-ray acoustic computed tomography (Conference Presentation)". In Photons Plus Ultrasound: Imaging and Sensing 2018, editado por Alexander A. Oraevsky e Lihong V. Wang. SPIE, 2018. http://dx.doi.org/10.1117/12.2289113.
Texto completo da fonteRelatórios de organizações sobre o assunto "X-ray photons"
Barty, C., e F. Hartemann. T-REX: Thomson-Radiated Extreme X-rays Moving X-Ray Science into the ''Nuclear'' Applications Space with Thompson Scattered Photons. Office of Scientific and Technical Information (OSTI), setembro de 2004. http://dx.doi.org/10.2172/15011627.
Texto completo da fonteAnisimov, Petr Mikhaylovich. From shy atoms and photons to quantum future of X-ray free electron lasers. Office of Scientific and Technical Information (OSTI), fevereiro de 2015. http://dx.doi.org/10.2172/1170698.
Texto completo da fonteSeltzer, Stephen. Calculations of fluence rates of unscattered x- and gamma-ray photons emerging from model spheres of special nuclear material. Gaithersburg, MD: National Institute of Standards and Technology, 2009. http://dx.doi.org/10.6028/nist.ir.7557.
Texto completo da fonteYee, J. H., D. J. Mayhall e M. F. Bland. Theoretical Model for the EM Effects Induced by High-Energy Photons (Gamma, X-ray) in Dielectric Materials and Electronic Systems. Office of Scientific and Technical Information (OSTI), agosto de 2001. http://dx.doi.org/10.2172/15004648.
Texto completo da fonteThornton, Remington, En-Chuan Huang e Janardan Upadhyay. X-Ray Development Photos April 2023. Office of Scientific and Technical Information (OSTI), abril de 2023. http://dx.doi.org/10.2172/1972098.
Texto completo da fonteThornton, Remington. X-Ray Development Photos Nov 2022. Office of Scientific and Technical Information (OSTI), janeiro de 2023. http://dx.doi.org/10.2172/1922732.
Texto completo da fonteSimakov, S. Evaluation of the Prompt Gamma-ray Spectrum from Spontaneous Fission of 252Cf. IAEA Nuclear Data Section, fevereiro de 2024. http://dx.doi.org/10.61092/iaea.bz1p-e3yc.
Texto completo da fonteWeber, F., P. Celliers, S. Moon, R. Snavely e L. Da Silva. Inner-Shell Photon-Ionized X-Ray Laser at 45(Angstrom). Office of Scientific and Technical Information (OSTI), fevereiro de 2002. http://dx.doi.org/10.2172/15005449.
Texto completo da fonteTurnbull, David, Phil Franke, John Palastro, Ildar Begishev, Robert Boni, Jake Bromage, Andrew Howard et al. Advanced Photon Acceleration Schemes for Tunable XUV/Soft X-Ray Sources. Office of Scientific and Technical Information (OSTI), janeiro de 2022. http://dx.doi.org/10.2172/1842317.
Texto completo da fonteFriedman, N. Advanced photon source proposal for upgrading the radiation safety of x-ray labs. Office of Scientific and Technical Information (OSTI), julho de 1991. http://dx.doi.org/10.2172/376366.
Texto completo da fonte