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Title: High energy neutrinos from choked GRBs and their flavor ratio measurement by the IceCube

Abstract

The high energy neutrinos produced in a choked gamma-ray burst can undergo matter oscillation before emerging out of the stellar envelope. Before reaching the detector on Earth, these neutrinos can undergo further vacuum oscillation and then Earth matter oscillation when crossing the diameter of the Earth. In the context of IceCube we study the Earth matter effect on neutrino flux in the detector. For the calculation of the track-to-shower ratio R in the IceCube, we have included the shadowing effect and the additional contribution from the muon track produced by the high energy tau lepton decay in the vicinity of the detector. We observed that R is different for different CP phases in vacuum but the matter effect suppresses these differences. We have also studied the behavior of R when the spectral index α varies.

Authors:
 [1];  [2];  [3];  [3]
  1. Univ. de Los Andes, Bogota (Columbia); Max Planck Inst. fur Extraterrestrische Physik, Garching (Germany)
  2. Univ. Nacional Autonoma de Mexico (UNAM), Mexico City (Mexico). Inst. de Ciencias Nucleares
  3. Univ. de Los Andes, Bogota (Columbia)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1512205
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 75; Journal Issue: 6; Journal ID: ISSN 1434-6044
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Varela, Karla, Sahu, Sarira, Oliveros, Andrés Felipe Osorio, and Sanabria, Juan Carlos. High energy neutrinos from choked GRBs and their flavor ratio measurement by the IceCube. United States: N. p., 2015. Web. doi:10.1140/epjc/s10052-015-3524-4.
Varela, Karla, Sahu, Sarira, Oliveros, Andrés Felipe Osorio, & Sanabria, Juan Carlos. High energy neutrinos from choked GRBs and their flavor ratio measurement by the IceCube. United States. doi:10.1140/epjc/s10052-015-3524-4.
Varela, Karla, Sahu, Sarira, Oliveros, Andrés Felipe Osorio, and Sanabria, Juan Carlos. Fri . "High energy neutrinos from choked GRBs and their flavor ratio measurement by the IceCube". United States. doi:10.1140/epjc/s10052-015-3524-4. https://www.osti.gov/servlets/purl/1512205.
@article{osti_1512205,
title = {High energy neutrinos from choked GRBs and their flavor ratio measurement by the IceCube},
author = {Varela, Karla and Sahu, Sarira and Oliveros, Andrés Felipe Osorio and Sanabria, Juan Carlos},
abstractNote = {The high energy neutrinos produced in a choked gamma-ray burst can undergo matter oscillation before emerging out of the stellar envelope. Before reaching the detector on Earth, these neutrinos can undergo further vacuum oscillation and then Earth matter oscillation when crossing the diameter of the Earth. In the context of IceCube we study the Earth matter effect on neutrino flux in the detector. For the calculation of the track-to-shower ratio R in the IceCube, we have included the shadowing effect and the additional contribution from the muon track produced by the high energy tau lepton decay in the vicinity of the detector. We observed that R is different for different CP phases in vacuum but the matter effect suppresses these differences. We have also studied the behavior of R when the spectral index α varies.},
doi = {10.1140/epjc/s10052-015-3524-4},
journal = {European Physical Journal. C, Particles and Fields},
number = 6,
volume = 75,
place = {United States},
year = {2015},
month = {6}
}

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Cited by: 3 works
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