Systematic parameter space study for the UHECR origin from GRBs in models with multiple internal shocks
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F20%3A00546235" target="_blank" >RIV/68378271:_____/20:00546235 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1093/mnras/staa2751" target="_blank" >https://doi.org/10.1093/mnras/staa2751</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1093/mnras/staa2751" target="_blank" >10.1093/mnras/staa2751</a>
Alternative languages
Result language
angličtina
Original language name
Systematic parameter space study for the UHECR origin from GRBs in models with multiple internal shocks
Original language description
We scrutinize the paradigm that conventional long-duration gamma-ray bursts (GRBs) are the dominant source of the ultrahigh energy cosmic rays (UHECRs) within the internal shock scenario by describing UHECR spectrum and composition and by studying the predicted (source and cosmogenic) neutrino fluxes. Since it has been demonstrated that the stacking searches for astrophysical GRB neutrinos strongly constrain the parameter space in single-zone models, we focus on the dynamics of multiple collisions for which different messengers are expected to come from different regions of the same object. We propose a model that can describe both stochastic and deterministic engines, which we study in a systematic way. We find that GRBs can indeed describe the UHECRs for a wide range of different model assumptions with comparable quality albeit with the previously known problematic energy requirements, the heavy mass fraction at injection is found to be larger than 70 per cent (95 per cent CL).
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10303 - Particles and field physics
Result continuities
Project
—
Continuities
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Others
Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Monthly Notices of the Royal Astronomical Society
ISSN
0035-8711
e-ISSN
1365-2966
Volume of the periodical
498
Issue of the periodical within the volume
4
Country of publishing house
GB - UNITED KINGDOM
Number of pages
15
Pages from-to
5990-6004
UT code for WoS article
000587755500099
EID of the result in the Scopus database
2-s2.0-85096907998