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| 001 | 461913 | ||
| 005 | 20250716150723.0 | ||
| 024 | 7 | _ | |a 10.1038/s41550-021-01343-x |2 doi |
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| 024 | 7 | _ | |a arXiv:2005.06097 |2 arXiv |
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| 088 | _ | _ | |a arXiv:2005.06097 |2 arXiv |
| 088 | _ | _ | |a DESY-20-088 |2 DESY |
| 100 | 1 | _ | |a Winter, Walter |0 P:(DE-H253)PIP1021242 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Publisher Correction: A concordance scenario for the observed neutrino from a tidal disruption event |
| 260 | _ | _ | |a London |c 2021 |b Nature Publishing Group |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a During a tidal disruption event, a star is torn apart by the tidal forces of a supermassive black hole, with about 50% of the star’s mass eventually accreted by the black hole. The resulting flare can, in extreme cases of super-Eddington mass accretion, result in a relativistic jet1,2,3,4. While tidal disruption events have been theoretically proposed as sources of high-energy cosmic rays5,6 and neutrinos7,8,9,10,11,12,13,14, stacking searches indicate that their contribution to the diffuse extragalactic neutrino flux is very low15. However, a recent association of a track-like astrophysical neutrino (IceCube-191001A16) with a tidal disruption event (AT2019dsg17) indicates that some tidal disruption events can accelerate cosmic rays to petaelectronvolt energies. Here we introduce a phenomenological concordance scenario with a relativistic jet to explain this association: an expanding cocoon progressively obscures the X-rays emitted by the accretion disk, while at the same time providing a sufficiently intense external target of backscattered X-rays for the production of neutrinos via proton–photon interactions. We also reproduce the delay (relative to the peak) of the neutrino emission by scaling the production radius with the black-body radius. Our energetics and assumptions for the jet and the cocoon are compatible with expectations from numerical simulations of tidal disruption events. |
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| 536 | _ | _ | |a NEUCOS - Neutrinos and the origin of the cosmic rays (646623) |0 G:(EU-Grant)646623 |c 646623 |f ERC-2014-CoG |x 1 |
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| 700 | 1 | _ | |a Lunardini, Cecilia |0 P:(DE-H253)PIP1028564 |b 1 |
| 773 | _ | _ | |a 10.1038/s41550-021-01343-x |g Vol. 5, no. 6, p. 621 - 621 |0 PERI:(DE-600)2879712-7 |n 6 |p 621 |t Nature astronomy |v 5 |y 2021 |x 2397-3366 |
| 787 | 0 | _ | |a Winter, Walter et.al. |d London : Nature Publishing Group, 2021 |i HasPart |0 PUBDB-2021-03165 |r arXiv:2005.06097 ; DESY-20-088 |t A concordance scenario for the observed neutrino from a tidal disruption event |
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