Neutrino Fluence from Gamma-Ray Bursts: Off-Axis View of Structured Jets
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We investigate the expected high-energy neutrino fluence from internal shocks produced in the relativistic outflow of gamma-ray bursts. Previous model predictions have primarily focussed on on-axis observations of uniform jets. Here we present a generalization to account for arbitrary viewing angles and jet structures. Based on this formalism, we provide an improved scaling relation that expresses off-axis neutrino fluences in terms of on-axis model predictions. We also find that the neutrino fluence from structured jets can exhibit a strong angular dependence relative to that of gamma-rays and can be far more extended. We examine this behavior in detail for the recent short gamma-ray burst GRB 170817A observed in coincidence with the gravitational wave event GW170817.
Original language | English |
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Journal | Monthly Notice of the Royal Astronomical Society |
Volume | 490 |
Issue number | 4 |
Pages (from-to) | 4935-4943 |
Number of pages | 9 |
ISSN | 0035-8711 |
DOIs | |
Publication status | Published - 19 Aug 2019 |
Bibliographical note
9 pages, 5 figures
Links
- https://arxiv.org/pdf/1908.06953
Submitted manuscript
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