Neutrinos from Decaying Muons, Pions, Kaons and Neutrons in Gamma Ray Bursts

Abstract

In the internal shock model of gamma ray bursts ultrahigh energy muons, pions, neutrons and kaons are likely to be produced in the interactions of shock accelerated relativistic protons with low energy photons (KeV-MeV). These particles subsequently decay to high energy neutrinos/antineutrinos and other secondaries. In the high internal magnetic fields of gamma ray bursts, the ultrahigh energy charged particles (${\mu }^{+}$, ${\pi }^{+}$, $K^{+}$) lose energy significantly due to synchrotron radiations before decaying into secondary high energy neutrinos and antineutrinos. The relativistic neutrons decay to high energy antineutrinos, protons and electrons. We have calculated the total neutrino flux (neutrino and antineutrino) considering the decay channels of ultrahigh energy muons, pions, neutrons and kaons. We have shown that the total neutrino flux generated in neutron decay can be higher than that produced in ${\mu }^{+}$ and ${\pi }^{+}$ decay. The charged kaons being heavier than pions, lose energy slowly and their secondary total neutrino flux is more than that from muons and pions at very high energy. Our detailed calculations on secondary particle production in $p\gamma$ interactions give the total neutrino fluxes and their flavour ratios expected on earth. Depending on the values of the parameters (luminosity, Lorentz factor, variability time, spectral indices and break energy in the photon spectrum) of a gamma ray burst the contributions to the total neutrino flux from the decay of different particles (muon, pion, neutron and kaon) may vary and they would also be reflected on the neutrino flavour ratios.

18 pages, 6 figures, version accepted for publication in Astroparticle Physics

References in corpus (23)

• Observation of electron-antineutrino disappearance at Daya Bay
• Observation of Reactor Electron Antineutrino Disappearance in the RENO Experiment
• Indication for the disappearance of reactor electron antineutrinos in the Double Chooz experiment
• An Absence of Neutrinos Associated with Cosmic Ray Acceleration in Gamma-Ray Bursts
• Gamma Ray Bursts in the comoving frame
• Revealing the Supernova--Gamma-Ray Burst Connection with TeV Neutrinos
• IceCube Non-detection of GRBs: Constraints on the Fireball Properties
• Neutrino Decays over Cosmological Distances and the Implications for Neutrino Telescopes
• Limits on Neutrino Emission from Gamma-Ray Bursts with the 40 String IceCube Detector
• Lorentz Factor-Isotropic Luminosity/Energy Correlations of GRBS and Their Interpretation
• A Search for a Diffuse Flux of Astrophysical Muon Neutrinos with the IceCube 40-String Detector
• GRBs on probation: testing the UHE CR paradigm with IceCube
• The Role of Stochastic Acceleration in the Prompt Emission of Gamma-Ray Bursts: Application to Hadronic Injection
• Measurement of the reaction gamma p --> K0 Sigma+ at photon energies up to 2.6 GeV
• Neutrino Spectra from Low and High Luminosity Populations of Gamma Ray Bursts
• Note on the Normalization of Predicted GRB Neutrino Flux
• Systematics in the Interpretation of Aggregated Neutrino Flux Limits and Flavor Ratios from Gamma-Ray Bursts
• Magnetic Field and Flavor Effects on the Gamma-Ray Burst Neutrino Flux
• High energy neutrino yields from astrophysical sources II: Magnetized sources
• Very High Energy Neutrinos Originating from Kaons in Gamma-Ray Bursts
• Neutrino astrophysics: A new tool for exploring the universe
• Study of Upsilon(3S,2S) -> eta Upsilon(1S) and Upsilon(3S,2S) -> pi+pi- Upsilon(1S) hadronic trasitions
• Neutrino Flavor Detection at Neutrino Telescopes and Its Uses

Cited by in corpus (5)

• High Energy Neutrinos from the Gravitational Wave event GW150914 possibly associated with a short Gamma-Ray Burst
• Probing CP violation with the three years ultra-high energy neutrinos from IceCube
• $p\gamma$ interactions in Galactic jets as a plausible origin of the positron excess
• Neutrinos from Cosmic Accelerators Including Magnetic Field and Flavor Effects
• Overall Ultra-high Energy Neutrino Emission from GRBs during Jet Expansion