Meson production in air showers and the search for light exotic particles
Decays of mesons produced in cosmic ray induced air showers in Earth's atmosphere can lead to a flux of light exotic particles which can be detected in underground experiments. We evaluate the energy spectra of the light neutral mesons \(\pi^0\), \(\eta\), \(\rho^0\), \(\omega\), \(\phi\) and \...
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| description | Decays of mesons produced in cosmic ray induced air showers in Earth's atmosphere can lead to a flux of light exotic particles which can be detected in underground experiments. We evaluate the energy spectra of the light neutral mesons \(\pi^0\), \(\eta\), \(\rho^0\), \(\omega\), \(\phi\) and \(J/\psi\) produced in interactions of cosmic ray protons and helium nuclei with air using QCD inspired event generators. Summing up the mesons produced in the individual hadronic interactions of air showers, we obtain the resulting fluxes of undecayed mesons. As an application, we re-consider the case of millicharged particles created in the electromagnetic decay channels of neutral mesons. |
| doi_str_mv | 10.48550/arxiv.2104.06811 |
| format | Article |
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| subjects | Cosmic ray showers Cosmic rays Energy spectra Fluxes Matter & antimatter Mesons Nuclei (nuclear physics) Particle decay Particle production Physics - High Energy Astrophysical Phenomena Physics - High Energy Physics - Phenomenology |
| title | Meson production in air showers and the search for light exotic particles |
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