Volume 444 -
38th International Cosmic Ray Conference (ICRC2023) -
Multi Messenger and Gravitational Wave (MM&GW)
Constraints on jet contents derived from multimessenger studies of gamma-ray bursts
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Pre-published on:
July 29, 2023
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Abstract
We are studying the constraints placed on the jet of gamma-ray bursts by the association of a high energy cosmic ray detection and the historical GRB 980425. Using the properties of this burst, we define a set of similar events, which statistically could produce similar UHECRs. From statistical studies on that sample, we show that the jet of GRBs should be extremely baryon-poor, if we want to account for the observed detection rate of UHECRs on Earth. This leads us to hypothesize that GRB jets are not accelerating the progenitor remnant but rather its surrounding medium.
DOI: https://doi.org/10.22323/1.444.1489
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.