Improvement of low energy atmospheric neutrino flux calculation using the JAM nuclear interaction model

Abstract

We present the calculation of the atmospheric neutrino fluxes with an interaction model named JAM, which is used in PHITS (Particle and Heavy-Ion Transport code System). The JAM interaction model agrees with the HARP experiment a little better than DPMJET-III. After some modifications, it reproduces the muon flux below 1~GeV/c at balloon altitudes better than the modified-DPMJET-III which we used for the calculation of atmospheric neutrino flux in previous works. Some improvements in the calculation of atmospheric neutrino flux are also reported.

46 pages, 28 figures

References in corpus (2)

• Calculation of atmospheric neutrino flux using the interaction model calibrated with atmospheric muon data
• Study of cosmic ray interaction model based on atmospheric muons for the neutrino flux calculation

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