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Related papers: High energy particles from gamma-ray bursts

200 papers

Neutrinos produced in gamma-ray bursters (GRBers) may provide a unique probe for the physics of these extreme astrophysical systems. Here we discuss neutrino production in inelastic neutron-proton collisions within the relativistic outflows…

Astrophysics · Physics 2008-05-19 Hylke B. J. Koers

We propose a novel model to produce ultrahigh-energy cosmic-rays (UHECRs) in gamma-ray burst jets. After the prompt gamma-ray emission, hydrodynamical turbulence is excited in the GRB jets at or before the afterglow phase. The mildly…

High Energy Astrophysical Phenomena · Physics 2016-08-03 Katsuaki Asano , Peter Meszaros

We present a model of ultra-high-energy cosmic ray (UHECR) production in the shock-accelerated fireball of a gamma-ray burst. In addition to the standard UHECR origin from neutron escape and decay into protons, our model considers direct…

High Energy Astrophysical Phenomena · Physics 2013-07-16 Mauricio Bustamante , Philipp Baerwald , Walter Winter

Recent measurements by the Pierre Auger Observatory suggest that the composition of ultra-high energy cosmic rays (UHECRs) becomes dominated by heavy nuclei at high energies. However, until now there has been no astrophysical motivation for…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Brian D. Metzger , Dimitrios Giannios , Shunsaku Horiuchi

Gamma-ray bursts have the potential to produce the particle energies (up to $10^{21}$\,eV) and the energy budget ($10^{44}\, \rm{erg\, yr^{-1}\, Mpc^{-3}}$) to accommodate the spectrum of the highest energy cosmic rays; on the other hand,…

High Energy Astrophysical Phenomena · Physics 2010-03-25 Julia K. Becker , Francis Halzen , Aongus O'Murchadha , Martino Olivo

Simple arguments concerning power and acceleration efficiency show that ultra-high energy cosmic rays (UHECRS) with energies >~ 10^{19} eV could originate from GRBs. Neutrons formed through photo-pion production processes in GRB blast waves…

Astrophysics · Physics 2009-11-06 C. D. Dermer

The observed fluxes of cosmic rays and gamma rays are used to infer the maximum allowed high-energy neutrino flux allowed for Gamma Ray Bursts (GRBs), following Mannheim, Protheroe, and Rachen (2000). It is shown that if GRBs produce the…

Astrophysics · Physics 2009-10-31 Karl Mannheim

Context: As more and more data are collected by cosmic ray experiments such as the Pierre Auger Observatory and Telescope Array (TA), the search for the sources of the Ultra High Energy Cosmic Rays (UHECR) continues. Already we have some…

High Energy Astrophysical Phenomena · Physics 2011-12-06 Laurentiu I. Caramete , Oana Tascau , Peter L. Biermann , Todor Stanev

Several lines of evidence point to a relationship between gamma-ray bursts (GRBs) and the high mass stars that explode as supernovae. Arguments that GRB sources accelerate cosmic rays (CRs) are summarized. High-energy neutrino detection…

Astrophysics · Physics 2009-11-10 C. D. Dermer , A. Atoyan

Following Waxman and Bahcall we calculate the event rate, energy and zenith angle dependence of neutrinos produced in the fireball model of gamma ray bursts (GRB). We emphasize the primary importance of i) burst-to-burst fluctuations and…

Astrophysics · Physics 2009-10-31 J. Alvarez-Muniz , F. Halzen , D. W. Hooper

The paradigm that gamma-ray burst (GRB) fireballs are the sources of the ultra-high energy cosmic rays (UHECRs) is being probed by neutrino observations. Very stringent bounds can be obtained from the cosmic ray (proton)--neutrino…

High Energy Astrophysical Phenomena · Physics 2013-04-30 Philipp Baerwald , Mauricio Bustamante , Walter Winter

We simulate neutrino production in a gamma-ray burst (GRB) with the most detailed method to date. We show that the highest energy neutrinos from GRBs mainly come from kaons. Although there is little chance to detect such neutrinos, attempts…

Astrophysics · Physics 2009-11-11 K. Asano , S. Nagataki

This paper presents the theoretical basis of the fireball/blast wave model, and some implications of recent results on GRB source models and cosmic-ray production from GRBs. BATSE observations of the prompt gamma-ray luminous phase, and…

Astrophysics · Physics 2007-05-23 C. D. Dermer

A checklist of criteria is presented to help establish the sources of ultra-high energy cosmic rays (UHECRs). These criteria are applied to long-duration GRBs in order to determine if they are UHECR sources. The evidence seems to favor…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Charles D. Dermer

Gamma-ray bursts have the potential to produce the particle energies (up to $10^{21}$ eV) and the energy budget ($10^{44} \rm{erg yr^{-1} Mpc^{-3}}$) to accommodate the spectrum of the highest energy cosmic rays; on the other hand, there is…

High Energy Astrophysical Phenomena · Physics 2014-11-20 J. K. Becker , F. Halzen , A. O'Murchadha , M. Olivo

GRB941017, a gamma-ray burst of exceptional fluence, has recently been shown to have a high-energy component which is not consistent with the standard fireball phenomenology. If this component is the result of photomeson interactions in the…

Astrophysics · Physics 2009-11-10 Jaime Alvarez-Muñiz , Francis Halzen , Dan Hooper

We review models of cosmological gamma-ray bursts (GRBs). The statistical and $\gamma$-ray transparency issues are summarized. Neutron-star and black-hole merger scenarios are described and estimates of merger rates are summarized. We…

Astrophysics · Physics 2009-10-28 Charles D. Dermer , Thomas J. Weiler

Gamma-ray bursts (GRBs) are short and intense emission of soft gamma-rays, which have fascinated astronomers and astrophysicists since their unexpected discovery in 1960s. The X-ray/optical/radio afterglow observations confirm the…

Astrophysics · Physics 2009-05-07 Yi-Zhong Fan , Tsvi Piran

A model for high-energy (>10^14 eV) cosmic rays (HECRs) from galactic and extragalactic gamma-ray bursts (GRBs) is summarized. Relativistic outflows in GRBs are assumed to inject power-law distributions of CR protons and ions to the highest…

Astrophysics · Physics 2009-11-10 S. D. Wick , C. D. Dermer , A. Atoyan

The cosmological gamma-ray burst (GRB) phenomenon is reviewed. The broad observational facts and empirical phenomenological relations of the GRB prompt emission and afterglow are outlined. A well-tested, successful fireball shock model is…

Astrophysics · Physics 2007-05-23 Bing Zhang , Peter Meszaros