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Photons as Ultra High Energy Cosmic Rays ?
We study spectra of the Ultra High Energy Cosmic Rays assuming primaries are protons and photons, and that their sources are extragalactic. We assume power low for the injection spectra and take into account the influence of cosmic microwave, infrared, optical and radio backgrounds as well as extrag...
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
2001
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/508285 |
| _version_ | 1780897434953580544 |
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| author | Kalashev, Oleg E. Kuzmin, V.A. Semikoz, D.V. Tkachev, I.I. |
| author_facet | Kalashev, Oleg E. Kuzmin, V.A. Semikoz, D.V. Tkachev, I.I. |
| author_sort | Kalashev, Oleg E. |
| collection | CERN |
| description | We study spectra of the Ultra High Energy Cosmic Rays assuming primaries are protons and photons, and that their sources are extragalactic. We assume power low for the injection spectra and take into account the influence of cosmic microwave, infrared, optical and radio backgrounds as well as extragalactic magnetic fields on propagation of primaries. Our additional free parameters are the maximum energy of injected particles and the distance to the nearest source. We find a parameter range where the Greisen-Zatsepin-Kuzmin cut-off is avoided. |
| id | cern-508285 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2001 |
| record_format | invenio |
| spelling | cern-5082852023-03-14T16:59:38Zhttp://cds.cern.ch/record/508285engKalashev, Oleg E.Kuzmin, V.A.Semikoz, D.V.Tkachev, I.I.Photons as Ultra High Energy Cosmic Rays ?Astrophysics and AstronomyWe study spectra of the Ultra High Energy Cosmic Rays assuming primaries are protons and photons, and that their sources are extragalactic. We assume power low for the injection spectra and take into account the influence of cosmic microwave, infrared, optical and radio backgrounds as well as extragalactic magnetic fields on propagation of primaries. Our additional free parameters are the maximum energy of injected particles and the distance to the nearest source. We find a parameter range where the Greisen-Zatsepin-Kuzmin cut-off is avoided.We study spectra of the Ultra High Energy Cosmic Rays assuming primaries are protons and photons, and that their sources are extragalactic. We assume power low for the injection spectra and take into account the influence of cosmic microwave, infrared, optical and radio backgrounds as well as extragalactic magnetic fields on propagation of primaries. Our additional free parameters are the maximum energy of injected particles and the distance to the nearest source. We find a parameter range where the Greisen-Zatsepin-Kuzmin cut-off is avoided.astro-ph/0107130MPI-PHT-2001-21MPI-PhT-2001-21oai:cds.cern.ch:5082852001-07-06 |
| spellingShingle | Astrophysics and Astronomy Kalashev, Oleg E. Kuzmin, V.A. Semikoz, D.V. Tkachev, I.I. Photons as Ultra High Energy Cosmic Rays ? |
| title | Photons as Ultra High Energy Cosmic Rays ? |
| title_full | Photons as Ultra High Energy Cosmic Rays ? |
| title_fullStr | Photons as Ultra High Energy Cosmic Rays ? |
| title_full_unstemmed | Photons as Ultra High Energy Cosmic Rays ? |
| title_short | Photons as Ultra High Energy Cosmic Rays ? |
| title_sort | photons as ultra high energy cosmic rays ? |
| topic | Astrophysics and Astronomy |
| url | http://cds.cern.ch/record/508285 |
| work_keys_str_mv | AT kalashevolege photonsasultrahighenergycosmicrays AT kuzminva photonsasultrahighenergycosmicrays AT semikozdv photonsasultrahighenergycosmicrays AT tkachevii photonsasultrahighenergycosmicrays |