Validation of the Geant4 electromagnetic photon cross-sections for elements and compounds

被引:93
作者
Cirrone, G. A. P. [2 ]
Cuttone, G. [2 ]
Di Rosa, F. [2 ]
Pandola, L. [1 ]
Romano, F. [2 ]
Zhang, Q. [2 ,3 ]
机构
[1] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy
[2] Ist Nazl Fis Nucl, Lab Nazl Sud, I-95125 Catania, Italy
[3] China Inst Atom Energy, Dept Nucl Phys, Beijing 102413, Peoples R China
关键词
Geant4; Monte Carlo; Photon cross-sections; Validation; SCATTERING; SIMULATION; COMPTON; PHYSICS;
D O I
10.1016/j.nima.2010.02.112
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The Geant4 toolkit provides a wide set of alternative models to describe the electromagnetic interaction of photons with matter. The photon cross-sections that are used by the Geant4 electromagnetic models have been compared to external reference libraries (NIST, EPDL97, SANDIA) for several elements and compounds. The agreement of the Geant4 cross-section with the reference data has been quantified by means of statistical analysis. In particular, the cross-sections of all the Geant4 photon models are in statistical agreement with the NIST database, with the exception of Rayleigh scattering. A critical discussion is presented for those cases where a disagreement is found. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:315 / 322
页数:8
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