Letteratura scientifica selezionata sul tema "X-ray photons"
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Articoli di riviste sul tema "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. 4 (3 giugno 2014): 708–15. http://dx.doi.org/10.1107/s1600577514006730.
Testo completoZhao, 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. 9 (7 maggio 2022): 4723. http://dx.doi.org/10.3390/app12094723.
Testo completoSaá 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. 5 (22 luglio 2021): 1558–72. http://dx.doi.org/10.1107/s1600577521005919.
Testo completoSong, 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. 2 (11 febbraio 2019): 320–27. http://dx.doi.org/10.1107/s1600577519000250.
Testo completoPickford 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. 9 (1 maggio 2023): 4445. http://dx.doi.org/10.3390/s23094445.
Testo completoFeranchuk, 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. 3 (7 ottobre 2020): 24–31. http://dx.doi.org/10.33581/2520-2243-2020-3-24-31.
Testo completoHu, Kun, Matthew G. Baring, Alice K. Harding e Zorawar Wadiasingh. "High-energy Photon Opacity in the Twisted Magnetospheres of Magnetars". Astrophysical Journal 940, n. 1 (1 novembre 2022): 91. http://dx.doi.org/10.3847/1538-4357/ac9611.
Testo completoKutukova, 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. 5 (29 febbraio 2024): 448. http://dx.doi.org/10.3390/nano14050448.
Testo completoLewis, Cale E., e Mini Das. "Spectral Signatures of X-ray Scatter Using Energy-Resolving Photon-Counting Detectors". Sensors 19, n. 22 (18 novembre 2019): 5022. http://dx.doi.org/10.3390/s19225022.
Testo completoRinkel, 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. 1 (1 gennaio 2016): 206–13. http://dx.doi.org/10.1107/s1600577515020226.
Testo completoTesi sul tema "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.
Testo completoBrink, 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.
Testo completo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.
Testo completoLeung, 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.
Testo completoFarquharson, 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.
Testo completoSu, Ting. "Quantitative material decomposition methods for X-ray spectral CT". Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEI056/document.
Testo completoX-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.
Testo completoThesis 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.
Testo completoHabib, Amr. "Détecteurs radiologiques grande surface, multi-énergie". Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENT055.
Testo completoThe 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.
Testo completoLibri sul tema "X-ray photons"
A, Nowak Michael, e United States. National Aeronautics and Space Administration., a cura di. 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.
Cerca il testo completoA, Nowak Michael, e United States. National Aeronautics and Space Administration., a cura di. 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.
Cerca il testo completoA, Nowak Michael, e United States. National Aeronautics and Space Administration., a cura di. 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.
Cerca il testo completoHansson, Conny, e Krzysztof Iniewski, a cura di. X-ray Photon Processing Detectors. Cham: Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-35241-6.
Testo completoFraser, G. W. X-ray detectors in astronomy. Cambridge: Cambridge University Press, 1989.
Cerca il testo completoX-ray detectors in astronomy. Cambridge [England]: Cambridge University Press, 1989.
Cerca il testo completoUnited States. National Aeronautics and Space Administration., a cura di. 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.
Cerca il testo completoFraser, G. W. X-ray detectors in astronomy. Cambridge: Cambridge University Press, 2009.
Cerca il testo completoNars, François. X-ray. New York: powerHouse Books, 1999.
Cerca il testo completoMarenkov, O. S. Handbook of photon interaction coefficients in radioisotope-excited x-ray fluorescence analysis. New York: Nova Science Publishers, 1991.
Cerca il testo completoCapitoli di libri sul tema "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.
Testo completoPorter, 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.
Testo completoSmith, 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.
Testo completoMargaritondo, 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.
Testo completoFrauenfelder, 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.
Testo completoHurford, 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.
Testo completoCulhane, 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.
Testo completoAichinger, 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.
Testo completoAichinger, 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.
Testo completoTanyag, 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.
Testo completoAtti di convegni sul tema "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, a cura di Lucien F. Guyot. SPIE, 1987. http://dx.doi.org/10.1117/12.966762.
Testo completoPeters, 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.
Testo completoChoi, 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, a cura di Alexander A. Oraevsky e Lihong V. Wang. SPIE, 2021. http://dx.doi.org/10.1117/12.2576466.
Testo completoBurgdörfer, 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.
Testo completoJohns, Paul C. "Medical x-ray imaging with scattered photons". In Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging, a cura di John C. Armitage. SPIE, 2017. http://dx.doi.org/10.1117/12.2283925.
Testo completoSchori, 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.
Testo completoShwartz, 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.
Testo completoTischler, 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.
Testo completoKmetec, 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.
Testo completoLei, 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, a cura di Alexander A. Oraevsky e Lihong V. Wang. SPIE, 2018. http://dx.doi.org/10.1117/12.2289113.
Testo completoRapporti di organizzazioni sul tema "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), settembre 2004. http://dx.doi.org/10.2172/15011627.
Testo completoAnisimov, Petr Mikhaylovich. From shy atoms and photons to quantum future of X-ray free electron lasers. Office of Scientific and Technical Information (OSTI), febbraio 2015. http://dx.doi.org/10.2172/1170698.
Testo completoSeltzer, 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.
Testo completoYee, 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 2001. http://dx.doi.org/10.2172/15004648.
Testo completoThornton, Remington, En-Chuan Huang e Janardan Upadhyay. X-Ray Development Photos April 2023. Office of Scientific and Technical Information (OSTI), aprile 2023. http://dx.doi.org/10.2172/1972098.
Testo completoThornton, Remington. X-Ray Development Photos Nov 2022. Office of Scientific and Technical Information (OSTI), gennaio 2023. http://dx.doi.org/10.2172/1922732.
Testo completoSimakov, S. Evaluation of the Prompt Gamma-ray Spectrum from Spontaneous Fission of 252Cf. IAEA Nuclear Data Section, febbraio 2024. http://dx.doi.org/10.61092/iaea.bz1p-e3yc.
Testo completoWeber, 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), febbraio 2002. http://dx.doi.org/10.2172/15005449.
Testo completoTurnbull, 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), gennaio 2022. http://dx.doi.org/10.2172/1842317.
Testo completoFriedman, N. Advanced photon source proposal for upgrading the radiation safety of x-ray labs. Office of Scientific and Technical Information (OSTI), luglio 1991. http://dx.doi.org/10.2172/376366.
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