Implementation of muon pair production in PHITS and verification by comparing with the muon shielding experiment at SLAC

We implemented a model of muon pair production through a real photon in PHITS and compared our calculations with data of the muon shielding experiment conducted at SLAC to verify the validity of the implemented model. Our predictions of the muon fluence induced by electrons are in good agreement wit...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2020-10, Vol.977, p.164323, Article 164323
Main Authors: Sakaki, Yasuhito, Namito, Yoshihito, Sanami, Toshiya, Iwase, Hiroshi, Hirayama, Hideo
Format: Article
Language:English
Subjects:
Monte-Carlo simulation
Muon production
Muon shielding
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Summary:We implemented a model of muon pair production through a real photon in PHITS and compared our calculations with data of the muon shielding experiment conducted at SLAC to verify the validity of the implemented model. Our predictions of the muon fluence induced by electrons are in good agreement with the experimental data. To understand the known differences between the calculations of the muon fluence, which have been determined using other Monte-Carlo codes, we quantitatively evaluate the fluctuations in the Monte-Carlo results due to systematic errors in multiple Coulomb scattering, differences in the approximation methods and energy loss models, and whether incoherent production is considered.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2020.164323