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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2410.05719 |
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| _version_ | 1866914967862640640 |
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| author | Shah, Raj John, J. M. Mondal, Suryanarayan Pethuraj, S. Majumder, G. Shukla, P. |
| author_facet | Shah, Raj John, J. M. Mondal, Suryanarayan Pethuraj, S. Majumder, G. Shukla, P. |
| contents | This work presents the measurements of the cosmic muon charge ratio as a function of full azimuthal angle and momentum within the range of 0.8 to 3.0 GeV/c, using the mini-ICAL detector. The detector, comprising 10 layers of RPCs, has collected cosmic muon data since August 2018 till recent time, at an altitude of 160 m above sea level at the Inter-Institutional Center for High Energy Physics in Madurai, India $(9^\circ56'\,N, 78^\circ00'\,E)$. The muon charge identification is achieved through the use of a magnetic field of strength 1.4 T. The analysis shows that the cosmic muon charge ratio, $R_μ= N_{μ^+}/N_{μ^-}$, ranges from 1.1 to 1.2 and has small dependency on the zenith angle. The charge ratio's dependence on momentum and azimuthal angle is thoroughly examined for a wide range of zenith angle upto $50^\circ$. These measurements are compared with the predictions from various combinations of different hadronic models in CORSIKA extensive air shower simulations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_05719 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Charge ratio of cosmic ray muons in momentum range ~ 1 to 3 GeV/c Shah, Raj John, J. M. Mondal, Suryanarayan Pethuraj, S. Majumder, G. Shukla, P. High Energy Physics - Experiment High Energy Astrophysical Phenomena This work presents the measurements of the cosmic muon charge ratio as a function of full azimuthal angle and momentum within the range of 0.8 to 3.0 GeV/c, using the mini-ICAL detector. The detector, comprising 10 layers of RPCs, has collected cosmic muon data since August 2018 till recent time, at an altitude of 160 m above sea level at the Inter-Institutional Center for High Energy Physics in Madurai, India $(9^\circ56'\,N, 78^\circ00'\,E)$. The muon charge identification is achieved through the use of a magnetic field of strength 1.4 T. The analysis shows that the cosmic muon charge ratio, $R_μ= N_{μ^+}/N_{μ^-}$, ranges from 1.1 to 1.2 and has small dependency on the zenith angle. The charge ratio's dependence on momentum and azimuthal angle is thoroughly examined for a wide range of zenith angle upto $50^\circ$. These measurements are compared with the predictions from various combinations of different hadronic models in CORSIKA extensive air shower simulations. |
| title | Charge ratio of cosmic ray muons in momentum range ~ 1 to 3 GeV/c |
| topic | High Energy Physics - Experiment High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2410.05719 |