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High Energy Neutrino Emission and Neutrino Background from Gamma-Ray Bursts in the Internal Shock Model
Astrophysics · Submitted 12 Dec 2005
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We find that the obtained neutrino background can be comparable with the prediction of Waxman & Bahcall, although our ground in estimation is different from theirs.
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The abstract, sentence by sentence
High energy neutrino emission from GRBs is discussed. In this paper, by using the simulation kit GEANT4, we calculate proton cooling efficiency including pion-multiplicity and proton-inelasticity in photomeson production. First, we estimate the maximum energy of accelerated protons in GRBs. Using the obtained results, neutrino flux from one burst and a diffuse neutrino background are evaluated quantitatively. We also take account of cooling processes of pion and muon, which are crucial for resulting neutrino spectra. We confirm the validity of analytic approximate treatments on GRB fiducial parameter sets, but also find that the effects of multiplicity and high-inelasticity can be important on both proton cooling and resulting spectra in some cases. Finally, assuming that the GRB rate traces the star formation rate, we obtain a diffuse neutrino background spectrum from GRBs for specific parameter sets. We introduce the nonthermal baryon-loading factor, rather than assume that GRBs are main sources of UHECRs. We find that the obtained neutrino background can be comparable with the prediction of Waxman & Bahcall, although our ground in estimation is different from theirs. In this paper, we study on various parameters since there are many parameters in the model. The detection of high energy neutrinos from GRBs will be one of the strong evidences that protons are accelerated to very high energy in GRBs. Furthermore, the observations of a neutrino background has a possibility not only to test the internal shock model of GRBs but also to give us information about parameters in the model and whether GRBs are sources of UHECRs or not.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | High energy neutrino emission from GRBs is discussed. | background 0.53 | 0.38 | 0.03 | asserted 0.73 |
| s1 | In this paper, by using the simulation kit GEANT4, we calculate proton cooling efficiency including pion-multiplicity and proton-inelasticity in photomeson production. | method 0.98 | 0.96 | 0.03 | asserted 1.00 |
| s2 | First, we estimate the maximum energy of accelerated protons in GRBs. | method 0.74 | 0.91 | 0.02 | asserted 0.73 |
| s3 | Using the obtained results, neutrino flux from one burst and a diffuse neutrino background are evaluated quantitatively. | contribution 0.44 | 0.95 | 0.09 | asserted 1.00 |
| s4 | We also take account of cooling processes of pion and muon, which are crucial for resulting neutrino spectra. | method 0.90 | 0.80 | 0.04 | asserted 1.00 |
| s5 | We confirm the validity of analytic approximate treatments on GRB fiducial parameter sets, but also find that the effects of multiplicity and high-inelasticity can be important on both proton cooling and resulting spectra in some cases. | result 0.95 | 0.96 | 0.26 | asserted 0.99 |
| s6 | Finally, assuming that the GRB rate traces the star formation rate, we obtain a diffuse neutrino background spectrum from GRBs for specific parameter sets. | result 0.78 | 0.96 | 0.13 | asserted 1.00 |
| s7 | We introduce the nonthermal baryon-loading factor, rather than assume that GRBs are main sources of UHECRs. | contribution 0.62 | 0.86 | 0.06 | asserted 0.97 |
| s8 | We find that the obtained neutrino background can be comparable with the prediction of Waxman & Bahcall, although our ground in estimation is different from theirs. | result 0.94 | 0.92 | 0.28 | asserted 0.97 |
| s9 | In this paper, we study on various parameters since there are many parameters in the model. | contribution 0.52 | 0.83 | 0.02 | asserted 0.95 |
| s10 | The detection of high energy neutrinos from GRBs will be one of the strong evidences that protons are accelerated to very high energy in GRBs. | interpretation 0.94 | 0.13 | 0.18 | hedged possibility 0.61 |
| s11 | Furthermore, the observations of a neutrino background has a possibility not only to test the internal shock model of GRBs but also to give us information about parameters in the model and whether GRBs are sources of UHECRs or not. | interpretation 0.95 | 0.16 | 0.22 | hedged possibility 1.00 |
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The paper
Original abstract
High energy neutrino emission from GRBs is discussed. In this paper, by using the simulation kit GEANT4, we calculate proton cooling efficiency including pion-multiplicity and proton-inelasticity in photomeson production. First, we estimate the maximum energy of accelerated protons in GRBs. Using the obtained results, neutrino flux from one burst and a diffuse neutrino background are evaluated quantitatively. We also take account of cooling processes of pion and muon, which are crucial for resulting neutrino spectra. We confirm the validity of analytic approximate treatments on GRB fiducial parameter sets, but also find that the effects of multiplicity and high-inelasticity can be important on both proton cooling and resulting spectra in some cases. Finally, assuming that the GRB rate traces the star formation rate, we obtain a diffuse neutrino background spectrum from GRBs for specific parameter sets. We introduce the nonthermal baryon-loading factor, rather than assume that GRBs are main sources of UHECRs. We find that the obtained neutrino background can be comparable with the prediction of Waxman & Bahcall, although our ground in estimation is different from theirs. In this paper, we study on various parameters since there are many parameters in the model. The detection of high energy neutrinos from GRBs will be one of the strong evidences that protons are accelerated to very high energy in GRBs. Furthermore, the observations of a neutrino background has a possibility not only to test the internal shock model of GRBs but also to give us information about parameters in the model and whether GRBs are sources of UHECRs or not.
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References
How the literature uses it
25 arXiv papers cite this in 36 sentences
Papers citing it · 29 sentences without a confident label
Uses its method or tool 2 papers
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The final neutrino energy spectrum from charged pion and muon decay can be calculated numerically through the code SOPHIA [ref] or GEANT4 [ref] .
Ultrahigh-energy cosmic-ray nuclei and neutrinos from engine-driven supernovae · Neutrinos from engine-driven SNe · 0.99
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We use fitting formulas based on GEANT4 for $σ_pγ$ and $κ_pγ$ (see Ref. [ref] ).
Multi-messenger tests of cosmic-ray acceleration in radiatively inefficient accretion flows · Escape and cooling timescales · 0.90
Cites it as background 5 papers
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Many papers discuss the neutrino emission from one specific source class by adopting a model-dependent approach, for active galactic nuclei (AGNs) [ref] , star-forming galaxies [ref] , gamma-ray bursts [ref] , galaxy clusters [ref] , and dark matter decays [ref] .
Tomographic Constraints on High-Energy Neutrinos of Hadronuclear Origin · Introduction · 0.98
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Many sources that may have large neutrino fluxes have been proposed, e.g., jets [ref] and cores [ref] of active galactic nuclei, the prompt [ref] and afterglow [ref] phases of gamma-ray bursts, newly-born neutron stars [ref] , early supernovae [ref] , starburst galaxies [ref] , and large-scale structures and galaxy clusters [ref] .
Demystifying the PeV Cascades in IceCube: Less (Energy) is More (Events) · Astrophysical neutrinos: plausible · 0.97
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Transient astrophysical phenomena such as blazar flares [ref] , $γ$-ray bursts (GRBs) [ref] , tidal disruption events [ref] and supernovae [ref] are among the promising sources of high-energy neutrinos.
Light curves of BSM-induced neutrino echoes in the optically-thin limit · Introduction · 0.87
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