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

Abstract

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.

16 pages, 8 figures

References in corpus (1)

• Code intercomparison and benchmark for muon fluence and absorbed dose induced by an 18-GeV electron beam after massive iron shielding

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• The potential of the ILC beam dump for high-intensity and large-area irradiation field with atmospheric-like neutrons and muons
• Measurement of radionuclide production probabilities in negative muon nuclear capture and validation of Monte Carlo simulation model