Validation of e+e- Pair Production Total Cross Sections for Monte Carlo Particle Transport

被引:0
作者
Basaglia, Tulio [1 ]
Begalli, Marcia [2 ]
Choi, Chansoo [3 ]
Han, Min Cheol [4 ]
Hoff, Gabriela [5 ]
Kim, Chan Hyeong [3 ]
Pia, Maria Grazia [5 ]
Saracco, Paolo [5 ]
机构
[1] CERN, CH-1211 Geneva, Switzerland
[2] Univ Estado Rio De Janeiro, Dept Fis Nucl & Altas Energias, BR-20550013 Rio De Janeiro, Brazil
[3] Hanyang Univ, Dept Nucl Engn, Seoul 04763, South Korea
[4] Yonsei Univ, Coll Med, Dept Radiat Oncol, Seoul 03722, South Korea
[5] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy
关键词
Production; Photonics; Atomic measurements; Codes; Libraries; Monte Carlo methods; Physics; Geant4; Monte Carlo; pair production; simulation; ABSOLUTE MEASUREMENT; NUCLEAR-DATA; HIGH-ENERGY; SIMULATION; THRESHOLD; PHOTONS; TARGETS; PHOTOPRODUCTION; HYDROGEN; SCIENCE;
D O I
10.1109/TNS.2022.3154104
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Several sources of total cross sections for e(+)e(-) pair production by photon interaction with matter, used by major Monte Carlo codes for particle transport, are quantitatively evaluated with respect to experimental measurements collected from the literature. They include data libraries deriving from theoretical calculations and analytical formulae representing empirical fits to tabulations. Although most of these sources of cross sections are based on one theoretical reference, the statistical data analysis documented in this paper highlights differences in their compatibility with experiment. The cross sections collected in the 1997 version of the Evaluated Photon Data Library (EPDL) exhibit the lowest incompatibility with experiment; the paper details the validation results for all the examined cross section sources. The scarcity of experimental data does not allow the validation process to discern pair production in the field of the nucleus and in the field of atomic electrons; nevertheless, this paper documents relevant clues regarding the contribution of the latter to reproduce experimental measurements.
引用
收藏
页码:858 / 870
页数:13
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