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A major part of cosmic rays consists of the primary protons, and this portion plays a crucial role in the space applications such as shielding of spacecrafts. In this study, the proton flux values measured at the top of the atmosphere…

Instrumentation and Detectors · Physics 2025-01-03 A. Ilker Topuz

The Monte Carlo (MC) simulation method is a powerful tool for radiation physicists, and several general-purpose software packages are commonly applied in a myriad of different radiation physics fields today. In medical physics, charged…

The Monte Carlo simulation of the electron transport through thin slabs is studied with five general purpose codes: PENELOPE, GEANT3, GEANT4, EGSnrc and MCNPX. The different material foils analyzed in the old experiments of Kulchitsky and…

Medical Physics · Physics 2008-11-26 M. Vilches , S. Garcia-Pareja , R. Guerrero , M. Anguiano , A. M. Lallena

We discuss a novel use of the Geant4 simulation toolkit to model molecular transport in a vacuum environment, in the molecular flow regime. The Geant4 toolkit was originally developed by the high energy physics community to simulate the…

Computational Physics · Physics 2013-10-07 J. Singal , J. Langton , R. Schindler

Geant4 is a tool kit developed by a collaboration of physicists and computer professionals in the High Energy Physics field for simulation of the passage of particles through matter. The motivation for the development of the Beam Tools is…

High Energy Physics - Experiment · Physics 2007-05-23 V. Daniel Elvira , P. Lebrun , P. Spentzouris

We report on a comparison between the flux of muons in the atmosphere measured by the CAPRICE98 experiment and simulations performed with the air shower simulation program AIRES. To reduce systematic uncertainties we have used as input the…

High Energy Physics - Phenomenology · Physics 2009-11-10 P. Hansen , P. Carlson , E. Mocchiutti , S. J. Sciutto , M. Boezio

We considered GEANT4 version 4.9.4 with different Electromagnetic Physics Package for calculation of response functions of detectors based on semi-insulating materials. Computer simulations with GEANT4 packages were run in order to…

Instrumentation and Detectors · Physics 2011-12-13 A. I. Skrypnyk , A. A. Zakharchenko , M. A. Khazhmuradov

Neutron energy spectrum from 120 GeV protons on a thick copper target was measured at the Meson Test Beam Facility (MTBF) at Fermi National Accelerator Laboratory. The data allows for evaluation of neutron production process implemented in…

Simulations of neutron background from rock for underground experiments are presented. Neutron propagation through two types of rock, lead and hydrocarbon material is discussed. The results show a reasonably good agreement between GEANT4,…

High Energy Physics - Experiment · Physics 2009-11-11 R. Lemrani , M. Robinson , V. A. Kudryavtsev , M. De Jesus , G. Gerbier , N. J. C. Spooner

Primary cosmic-ray elemental spectra have been measured with the balloon-borne Cosmic Ray Energetics And Mass (CREAM) experiment since 2004. The third CREAM payload (CREAM-III) flew for 29 days during the 2007-2008 Antarctic season.…

The propagated fluxes of proton, helium, and heavier primary cosmic-ray species (up to Fe) are a means to indirectly access the source spectrum of cosmic rays. We check the compatibility of the primary fluxes with the transport parameters…

Astrophysics of Galaxies · Physics 2011-07-06 A. Putze , D. Maurin , F. Donato

Precise direct cosmic-ray (CR) measurements provide an important probe to study the energetic particle sources in our Galaxy, and the interstellar environment through which these particles propagate. Uncertainties on hadronic models,…

High Energy Physics - Experiment · Physics 2025-01-08 F. Alemanno , Q. An , P. Azzarello , F. C. T. Barbato , P. Bernardini , X. J. Bi , I. Cagnoli , M. S. Cai , E. Casilli , E. Catanzani , J. Chang , D. Y. Chen , J. L. Chen , Z. F. Chen , P. Coppin , M. Y. Cui , T. S. Cui , Y. X. Cui , H. T. Dai , A. De Benedittis , I. De Mitri , F. de Palma , A. Di Giovanni , Q. Ding , T. K. Dong , Z. X. Dong , G. Donvito , D. Droz , J. L. Duan , K. K. Duan , R. R. Fan , Y. Z. Fan , F. Fang , K. Fang , C. Q. Feng , L. Feng , J. M. Frieden , P. Fusco , M. Gao , F. Gargano , K. Gong , Y. Z. Gong , D. Y. Guo , J. H. Guo , S. X. Han , Y. M. Hu , G. S. Huang , X. Y. Huang , Y. Y. Huang , M. Ionica , L. Y. Jiang , Y. Z. Jiang , W. Jiang , J. Kong , A. Kotenko , D. Kyratzis , S. J. Lei , W. H. Li , W. L. Li , X. Li , X. Q. Li , Y. M. Liang , C. M. Liu , H. Liu , J. Liu , S. B. Liu , Y. Liu , F. Loparco , C. N. Luo , M. Ma , P. X. Ma , T. Ma , X. Y. Ma , G. Marsella , M. N. Mazziotta , D. Mo , X. Y. Niu , X. Pan , A. Parenti , W. X. Peng , X. Y. Peng , C. Perrina , E. Putti-Garcia , R. Qiao , J. N. Rao , A. Ruina , R. Sarkar , P. Savina , A. Serpolla , Z. Shangguan , W. H. Shen , Z. Q. Shen , Z. T. Shen , L. Silveri , J. X. Song , M. Stolpovskiy , H. Su , M. Su , H. R. Sun , Z. Y. Sun , A. Surdo , X. J. Teng , A. Tykhonov , J. Z. Wang , L. G. Wang , S. Wang , S. X. Wang , X. L. Wang , Y. Wang , Y. F. Wang , Y. Z. Wang , Z. M. Wang , D. M. Wei , J. J. Wei , Y. F. Wei , D. Wu , J. Wu , S. S. Wu , X. Wu , Z. Q. Xia , H. T. Xu , J. Xu , Z. H. Xu , Z. L. Xu , E. H. Xu , Z. Z. Xu , G. F. Xue , H. B. Yang , P. Yang , Y. Q. Yang , H. J. Yao , Y. H. Yu , G. W. Yuan , Q. Yuan , C. Yue , J. J. Zang , S. X. Zhang , W. Z. Zhang , Yan Zhang , Yi Zhang , Y. J. Zhang , Y. L. Zhang , Y. P. Zhang , Y. Q. Zhang , Z. Zhang , Z. Y. Zhang , C. Zhao , H. Y. Zhao , X. F. Zhao , C. Y. Zhou , Y. Zhu

Proton radiography is used for advanced hydrotesting as a new type radiography technology due to its powerful penetration capability and high detection efficiency. A new proton radiography terminal will be developed to radiograph static…

Accelerator Physics · Physics 2015-01-28 Yan Yan , Li-Na Sheng , Zhi-Wu Huang , Jie Wang , Ze-En Yao , Jun-Run Wang , Zheng Wei , Jian-Cheng Yang , You-Jin Yuan

In this study, a source scheme based on source biasing as well as discrete energy spectrum in the cylindrical geometry is presented for the simulations of muon tomography in the GEANT4 toolkit. First, a lateral cylindrical surface and a top…

Instrumentation and Detectors · Physics 2024-07-08 Ahmet Ilker Topuz

An accurate description of interactions between thermal neutrons (below 4 eV) and materials is key to simulate the transport of neutrons in a wide range of applications such as criticality-safety, reactor physics, compact accelerator-driven…

Computational Physics · Physics 2022-01-26 Loic Thulliez , Cédric Jouanne , Eric Dumonteil

Muon Tomography (MT) based on the measurement of multiple scattering of atmospheric cosmic ray muons traversing shipping containers is a promising candidate for identifying threatening high-Z materials. Since position-sensitive detectors…

Instrumentation and Detectors · Physics 2009-06-25 Marcus Hohlmann , Patrick Ford , Kondo Gnanvo , Jennifer Helsby , David Pena , Richard Hoch , Debasis Mitra

In this study, by attempting to resolve the angular complication during the particle generation for the muon tomography applications in the GEANT4 simulations, we exhibit an unconventional methodology that is hinged on the direction…

Computational Physics · Physics 2023-02-17 Ahmet Ilker Topuz , Madis Kiisk , Andrea Giammanco

The complexity of the neutron transport phenomenon throws its shadows on every physical system wherever neutron is produced or absorbed. The Monte Carlo N-Particle Transport Code (MCNP) was used to investigate the flux perturbations in the…

High Energy Physics - Phenomenology · Physics 2022-07-25 Ateia W. Mahmoud , Elsayed K. Elmaghraby , A. H. M. Solieman , E. Salama , A. Elghazaly , S. A. El-fiki
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