SS433 PeV neutron jet feeding the far TeV gamma beam
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866915659683725312 |
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| author | Fargion, Daniele Lucentini, Pier Giorgio De Sanctis Turriziani, Sara Sopin, Danila Khlopov, Maxim Yu. |
| author_facet | Fargion, Daniele Lucentini, Pier Giorgio De Sanctis Turriziani, Sara Sopin, Danila Khlopov, Maxim Yu. |
| contents | The SS433 is a well-known binary system with an internal black hole, which is stripping mass from an orbiting companion of ten solar masses, at a hundred of light-seconds away. The black hole and its accretion disk fuel a thin precessing jet, whose spirals are well-observed. Surprisingly, disconnected gamma-ray tails have recently been discovered by H.E.S.S., HAWC and LHAASO, hundreds of light-years away and with energies of tens of TeV. We suggest that tens PeV neutron burst jets were ejected from the SS433 system over the past century. These beams of ultra high-energy PeVatron neutrons, by their in-flight beta decay and Inverse Compton scattering, could be the source of the enigmatic, distant and disconnected tens of TeV gamma-ray beams. These ultra-relativistic PeV neutron jets could have been formed during one of the system's rare and intense tidal eruptions, when tens of PeV protons collide CV October 2025 with thermal ultraviolet photons, creating delta resonances. Their decay into secondary neutron beams of tens of PeV is well consistent with observations. Alternative models appear uncompetitive. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_07012 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | SS433 PeV neutron jet feeding the far TeV gamma beam Fargion, Daniele Lucentini, Pier Giorgio De Sanctis Turriziani, Sara Sopin, Danila Khlopov, Maxim Yu. High Energy Astrophysical Phenomena Astrophysics of Galaxies High Energy Physics - Phenomenology The SS433 is a well-known binary system with an internal black hole, which is stripping mass from an orbiting companion of ten solar masses, at a hundred of light-seconds away. The black hole and its accretion disk fuel a thin precessing jet, whose spirals are well-observed. Surprisingly, disconnected gamma-ray tails have recently been discovered by H.E.S.S., HAWC and LHAASO, hundreds of light-years away and with energies of tens of TeV. We suggest that tens PeV neutron burst jets were ejected from the SS433 system over the past century. These beams of ultra high-energy PeVatron neutrons, by their in-flight beta decay and Inverse Compton scattering, could be the source of the enigmatic, distant and disconnected tens of TeV gamma-ray beams. These ultra-relativistic PeV neutron jets could have been formed during one of the system's rare and intense tidal eruptions, when tens of PeV protons collide CV October 2025 with thermal ultraviolet photons, creating delta resonances. Their decay into secondary neutron beams of tens of PeV is well consistent with observations. Alternative models appear uncompetitive. |
| title | SS433 PeV neutron jet feeding the far TeV gamma beam |
| topic | High Energy Astrophysical Phenomena Astrophysics of Galaxies High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2512.07012 |