Academic literature on the topic 'Cross sections (Nuclear physics) Beryllium'

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Journal articles on the topic "Cross sections (Nuclear physics) Beryllium"

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DiJulio, Douglas D., Yong Joong Lee, and Gunter Muhrer. "Impact of crystallite size on the performance of a beryllium reflector." Journal of Neutron Research 22, no. 2-3 (2020): 275–79. http://dx.doi.org/10.3233/jnr-190135.

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Beryllium reflectors are used at spallation neutron sources in order to enhance the low-energy flux of neutrons emanating from the surface of a cold and thermal moderator. The design of such a moderator/reflector system is typically carried out using detailed Monte-Carlo simulations, where the beryllium reflector is assumed to behave as a poly-crystalline material. In reality, however, inhomogeneities in the beryllium could lead to discrepancies between the performance of the actual system when compared to the modeled system. The dependence of the total cross-section in particular on crystalli
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Tsavalas, P., A. Lagoyannis, K. Mergia, E. Ntemou, and C. P. Lungu. "Differential cross sections of the deuteron reactions on beryllium at energies and angles suitable for nuclear reaction analysis." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 479 (September 2020): 205–10. http://dx.doi.org/10.1016/j.nimb.2020.07.002.

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Zheltonozhsky, V. O., D. E. Myznikov, A. M. Savrasov та V. I. Slisenko. "Investigation of 7Bе population in reactions on nuclei of beryllium and boron with bremsstrahlung gamma-rays in wide energy range". Nuclear Physics and Atomic Energy 21, № 4 (2020): 302–7. http://dx.doi.org/10.15407/jnpae2020.04.302.

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The average cross-sections were measured at the first time for 7Bе population at bremsstrahlung end-point energies 40 and 55 MeV and for the 10B(γ,t)7Bе reaction at bremsstrahlung end-point energy 20 MeV. The theoretical calculations carried out within the framework of the software packages EMPIRE-3.2 and TALYS-1.9 demonstrate the domination of the nonstatistical processes.
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Manring, C. A., and A. I. Hawari. "DEVELOPMENT OF NEURAL THERMAL SCATTERING (NeTS) MODULES FOR REACTOR MULTI-PHYSICS SIMULATIONS." EPJ Web of Conferences 247 (2021): 20004. http://dx.doi.org/10.1051/epjconf/202124720004.

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Modern multi-physics codes, often employed in the simulation and development of thermal nuclear systems, depend heavily on thermal neutron interaction data to determine the space-time distribution of fission events. Therefore, the computationally expensive analysis of such systems motivates the advancement of thermal scattering law (TSL) data delivery methods. Despite considerable improvements on past strategies, current implementations are limited by trade-offs between speed, accuracy, and memory allocation. Furthermore, many of these implementations are not easily adaptable to additional inp
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Ryans, R. S. I., V. J. Foster-Woods, F. Copeland, F. P. Keenan, A. Matthews, and R. H. G. Reid. "CROSS SECTIONS AND RATE COEFFICIENTS FOR EXCITATION OF THE 1s22s2p3PoJ→ 1s22s2p3PoJ′FINE-STRUCTURE TRANSITIONS IN BERYLLIUM-LIKE IONS BY HEAVY PARTICLE IMPACT." Atomic Data and Nuclear Data Tables 70, no. 2 (1998): 179–229. http://dx.doi.org/10.1006/adnd.1998.0791.

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Abramov, B. M., M. Baznat, Yu A. Borodin, et al. "Cumulative $${\pi}$$-Mesons in $${}^{{12}}{C}{+}{}^{{9}}$$Be-Interactions at 3.2 GeV/Nucleon." Physics of Atomic Nuclei 84, no. 4 (2021): 467–74. http://dx.doi.org/10.1134/s1063778821040037.

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Abstract In the FRAGM experiment at the heavy-ion accelerator$$-$$accumulator complex ITEP$$-$$TWA, yields of cumulative charged $$\pi$$ mesons have been measured in a fragmentation of carbon ions with the energy of 3.2 GeV/nucleon on a beryllium target. The momentum spectra of $$\pi$$ mesons cover four orders of the invariant cross section magnitude. They demonstrate the exponential fall with increasing energy. The measured inverse slope parameter is compared with similar measurements in nucleon–nucleus interactions and ion–ion collisions at lower energies. The energy dependence of the ratio
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Imríšek, Martin, Jan Mlynář, Viktor Löffelmann, et al. "Optimization of soft X-ray tomography on the COMPASS tokamak." Nukleonika 61, no. 4 (2016): 403–8. http://dx.doi.org/10.1515/nuka-2016-0066.

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Abstract The COMPASS tokamak is equipped with the soft X-ray (SXR) diagnostic system based on silicon photodiode arrays shielded by a thin beryllium foil. The diagnostic is composed of two pinhole cameras having 35 channels each and one vertical pinhole camera with 20 channels, which was installed recently to improve tomographic inversions. Lines of sight of the SXR detectors cover almost complete poloidal cross section of the COMPASS vessel with a spatial resolution of 1-2 cm and temporal resolution of about 3 μs. Local emissivity is reconstructed via Tikhonov regularization constrained by mi
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Azhgirey, L. S., V. V. Arkhipov, S. V. Afanasiev, et al. "Measurement of the differential cross section and of the tensor and vector analyzing powers for the fragmentation of 4.5-GeV/c deuterons on beryllium in the reaction involving proton emission at an angle of 80 mrad." Physics of Atomic Nuclei 66, no. 4 (2003): 690–99. http://dx.doi.org/10.1134/1.1575568.

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Clark, R. E. H., and J. Abdallah. "Electron impact excitation cross sections for beryllium and boron." Physica Scripta T62 (January 1, 1996): 7–18. http://dx.doi.org/10.1088/0031-8949/1996/t62/001.

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Starobinets, A., I. Bray, L. A. Vainshtein, Yu V. Ralchenko, and Y. Maron. "Excitation Cross Sections for Li-like Ions of Beryllium and Boron." Physica Scripta 67, no. 6 (2003): 500–504. http://dx.doi.org/10.1238/physica.regular.067a00500.

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Dissertations / Theses on the topic "Cross sections (Nuclear physics) Beryllium"

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Harris, Allison Lynn. "Fully differential cross sections for four-body scattering processes." Diss., Rolla, Mo. : Missouri University of Science and Technology, 2009. http://scholarsmine.mst.edu/thesis/pdf/Harris_09007dcc806c3b59.pdf.

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Thesis (Ph. D.)--Missouri University of Science and Technology, 2009.<br>Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed August 25, 2009) Includes bibliographical references (p. 84-92).
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Lantz, Mattias. "Investigations of Reaction Cross Sections for Protons and 3He." Doctoral thesis, Uppsala universitet, Institutionen för kärn- och partikelfysik, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5813.

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The reaction cross section gives the probability that a particle will undergo a nonelastic process when passing through a nuclear medium. Therefore reaction cross section data are of importance both for theoretical studies and for applications in such diverse fields as medicine, biology, astrophysics and accelerator-driven transmutation of nuclear waste. There exist many data sets with angular distributions of elastic scattering, but very few measurements of the complementary reaction cross section have been performed. The measurement is in principle simple but has in practice proved to be ver
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Weisberg, Adam. "A preliminary cross section measurement for K⁰*[Sigma]⁺ electroproduction." Ohio : Ohio University, 2001. http://www.ohiolink.edu/etd/view.cgi?ohiou1000211618.

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Andrews, Mike C. 1949. "L- and M-Shell X-Ray Production Cross Sections of Neodymium Gadolinium, Holmium, Ytterbium, Gold and Lead by 25-MeV Carbon and 32-MeV Oxygen Ions." Thesis, North Texas State University, 1987. https://digital.library.unt.edu/ark:/67531/metadc330892/.

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L- and M-shell x-ray production cross sections have been measured for thin solid targets of neodymium, gadolinium, holmium, ytterbium, gold, and lead by 25 MeV 12/6C^q+ (q=4,5,6) and by 32 MeV 16/8O^q+ (q=5,7,8). The cross sections were determined from measurements made with thin targets (< 2.5 μg/cm2). For projectiles with one or two K-shell vacancies, the target x-ray production cross sections were found to be enhanced over those for projectiles without a K-shell vacancy. The sum of direct ionization to the continuum (DI) plus electron capture (EC) to the L, M, N... shells and EC to the K-sh
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Prokofiev, Alexander. "Nucleon-Induced Fission Cross Sections of Heavy Nuclei in the Intermediate Energy Region." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2001. http://publications.uu.se/theses/91-554-5009-1/.

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Wickramarachchi, Priyangika Ariyasinghe Wickramasinghe M. "Total electron scattering cross sections of ethane, propane, n-butane, 1,3-butadiene and butylene in the energy range 0.3 to 4.0 keV." Waco, Tex. : Baylor University, 2006. http://hdl.handle.net/2104/5000.

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Lantz, Mattias. "Investigations of Reaction Cross Sections for Protons and 3He." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5813.

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Ahmad, Munawar Sultana. "A study of the interaction loss of protons and deuterons in NaI." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/27788.

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Interaction losses in sodium iodide crystals have been directly measured for protons in the range of energies from 139 to 444 MeV and for deuterons of 277 MeV. Calculations of the expected loss were made for protons over the range 151-500 MeV using the best currently available reaction cross section data. Our experimental values are typically about 21% lower than the calculated values. The interaction loss for 277 MeV deuteron in Nal is about 8% lower than the calculated value obtained using the deuteron cross section value of Measday and Schneider. Using their calculated value of 100 MeV de
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Bezuidenhout, Jacques. "Cross sections and analysing power energy-sharing distributions of valence (p,2p)-knockout from 208Pb with a projectile of 200MeV." Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/51668.

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Thesis (MSc)--Stellenbosch University, 2000.<br>ENGLISH ABSTRACT: The aim of this work was to study the 208Pb(p,2p)207Tl quasi-free knockout process. The experimental data were measured at the National Accelerator Centre using incident polarised protons of 200 MeV. The two scattered particles, from the knockout reaction, were detected in coincidence and their energies were determined using a magnetic spectrometer and a solid state detector telescope. Cross section and analysing power energy distributions were extracted from the experimental measurements and these were compared with th
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Hleiqawi, Ishaq H. "K*⁰ photoproduction and electroproduction measured at CLAS." Ohio : Ohio University, 2006. http://www.ohiolink.edu/etd/view.cgi?ohiou1143226494.

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Books on the topic "Cross sections (Nuclear physics) Beryllium"

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Norbury, John W. Photonuclear absorption cross sections: Final report (October 1, 1987 - August 15, 1989). National Aeronautics and Space Administration, 1989.

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Tripathi, Ram K. A Simple method for nucleon-nucleon cross sections in a nucleus. National Aeronautics and Space Administration, Langley Research Center, 1999.

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Tripathi, Ram K. Universal parameterization of absorption cross sections. National Aeronautics and Space Administration, Langley Research Center, 1997.

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NATO Advanced Research Workshop on Atomic Physics with Positrons (1987 London, England). Atomic physics with positrons. Plenum Press, 1987.

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Janev, Ratko K. Elementary Processes in Hydrogen-Helium Plasmas: Cross Sections and Reaction Rate Coefficients. Springer Berlin Heidelberg, 1987.

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Cucinotta, Francis A. Description of alpha-nucleus interaction cross sections for cosmic ray shielding studies. Langley Research Center, 1993.

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E, Ivanov V., and Ostrovskiĭ V. N, eds. Sechenii͡a rassei͡anii͡a ėlektronov atmosfernymi gazami. "Nauka," Leningradskoe otd-nie, 1989.

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Tawara, H. Ionization cross sections of atoms and ions by electron impact. Institute of Plasma Physics, Nagoya University, 1985.

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Tripathi, Ram K. Universal parameterization of absorption cross sections: Light systems. National Aeronautics and Space Administration, Langley Research Center, 1999.

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Tripathi, Ram K. Extraction of in-medium nucleon-nucleon amplitude from experiment. National Aeronautics and Space Administration, Langley Research Center, 1998.

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Book chapters on the topic "Cross sections (Nuclear physics) Beryllium"

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Masterson, Robert E. "Nuclear Cross Sections, Reaction Probabilities, and Reaction Rates." In Introduction to Nuclear Reactor Physics. CRC Press, 2017. http://dx.doi.org/10.1201/9781315118055-4.

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Barnes, T. "Charmonium cross-sections and the QGP." In Refereed and selected contributions from International Conference on Quark Nuclear Physics. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-09712-0_92.

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Rohdjeß, H., F. Bauer, J. Bisplinghoff, et al. "Cross-sections and spin observables in proton-proton elastic scattering: Results from EDDA at COSY." In Refereed and selected contributions from International Conference on Quark Nuclear Physics. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-09712-0_98.

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"C Cross Sections." In Physics of Nuclear Radiations. CRC Press, 2013. http://dx.doi.org/10.1201/b16330-16.

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"Neutron cross-sections." In Physics and Technology of Nuclear Materials. Elsevier, 1985. http://dx.doi.org/10.1016/b978-0-08-032601-6.50024-6.

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"Neutron-Nuclear Cross-Sections." In World Scientific Lecture Notes in Physics. WORLD SCIENTIFIC, 1988. http://dx.doi.org/10.1142/9789812799333_0004.

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Orlandini, G., W. Leidemann, V. D. Efros, and E. L. Tomusiak. "Photonuclear cross sections of three-nucleon systems and the role of three-nucleon forces." In Hadron and Nuclear Physics with Electromagnetic Probes. Elsevier, 2000. http://dx.doi.org/10.1016/b978-044450539-2/50021-8.

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Shen, Wei, and Benjamin Rouben. "CANDU Reactor.Physics Analysis Methods and Computer Codes." In Fundamentals of CANDU Reactor Physics. ASME, 2021. http://dx.doi.org/10.1115/1.884836_ch11.

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Reactor physics aims to understand accurately the reactivity and the distribution of all the reaction rates (most importantly of the power), and their rate of change in time, for any reactor configuration. To do this, the multiplication factor (or, equivalently, reactivity) and the neutron-flux distribution under various operating conditions and at different times need to be calculated repeatedly. Most of the other parameters of interest (such as neutron reaction rates, power, heat deposition, etc.) are derived from them. They are governed by the geometry, the material composition and the nuclear data (i.e., the neutron cross sections, their energy dependence, the energy spectra and the angular distributions of secondary particles, etc.). For radiation-shielding calculations, additional photon interactions and coupled neutron-photon interaction data are required.
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Conference papers on the topic "Cross sections (Nuclear physics) Beryllium"

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Zheng, Lei, Kaiwen Li, and Kan Wang. "On-the-Fly Treatment of Discrete Representation Thermal Neutron Scattering Data in RMC Code." In 2020 International Conference on Nuclear Engineering collocated with the ASME 2020 Power Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/icone2020-16066.

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Abstract A proper treatment of thermal neutron scattering data is required for the high-fidelity neutronics calculation of thermal reactors. Monte Carlo codes typically use an S(α, β) treatment to describe scattering events in the thermal region if the S(α, β) data is available for the material. The S(α,β) model stores a large majority of scattering physics and can handle thermal scattering process accurately. In neutronic-thermohydraulic coupling calculations, the temperature effect on nuclear data must be treated properly. The on-the-fly sampling method or the on-the-fly interpolation method
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Ozawa, Akira. "Reaction cross sections of unstable nuclei." In NUCLEAR PHYSICS TRENDS: 6th China-Japan Joint Nuclear Physics Symposium. AIP, 2006. http://dx.doi.org/10.1063/1.2398828.

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Utsunomiya, H. "Photoneutron Cross Sections of Astrophysical Significance." In TOURS SYMPOSIUM ON NUCLEAR PHYSICS VI. AIP, 2007. http://dx.doi.org/10.1063/1.2713534.

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Zeitlin, C., L. Heilbronn, J. Miller, et al. "Nuclear fragmentation cross sections for NASA database development." In NUCLEAR PHYSICS IN THE 21st CENTURY:International Nuclear Physics Conference INPC 2001. AIP, 2002. http://dx.doi.org/10.1063/1.1469936.

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Fukumura, A., T. Hiraoka, Y. Noda, et al. "Measurements of charge-changing cross sections for therapeutic ion beams." In NUCLEAR PHYSICS IN THE 21st CENTURY:International Nuclear Physics Conference INPC 2001. AIP, 2002. http://dx.doi.org/10.1063/1.1469935.

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Ozawa, A. "Nuclear matter radii determined by interaction cross sections." In PHYSICS WITH ULTRA SLOW ANTIPROTON BEAMS. AIP, 2005. http://dx.doi.org/10.1063/1.2121988.

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Wöhri, Hermine K. "Heavy Flavour Hadro-Production Cross-Sections." In INTERSECTIONS OF PARTICLE AND NUCLEAR PHYSICS: 8th Conference CIPANP2003. AIP, 2004. http://dx.doi.org/10.1063/1.1664333.

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Wang, K., D. Q. Fang, W. Guo, et al. "Measurements of the reaction cross sections and momentum distributions for 23Al neighbouring nuclei." In NUCLEAR PHYSICS TRENDS: 6th China-Japan Joint Nuclear Physics Symposium. AIP, 2006. http://dx.doi.org/10.1063/1.2398829.

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Tagliente, G., U. Abbondanno, G. Aerts, et al. "Measurements of neutron capture cross-sections at n_TOF." In VI LATIN AMERICAN SYMPOSIUM ON NUCLEAR PHYSICS AND APPLICATIONS. AIP, 2007. http://dx.doi.org/10.1063/1.2710591.

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Matsumoto, Takuma, Shin Watanabe, and Masanobu Yahiro. "Study Of Halo Nature Via Reaction And Neutron Removal Cross Sections." In The 26th International Nuclear Physics Conference. Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.281.0196.

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