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Title: Geometric compatibility of IceCube TeV-PeV neutrino excess and its galactic dark matter origin

Abstract

Here, we perform a geometric analysis for the sky map of the IceCube TeV-PeV neutrino excess and test its compatibility with the sky map of decaying dark matter signals in our galaxy. Furthermore, we have found that a galactic decaying dark matter component in general improve the goodness of the fit of our model, although the pure isotropic hypothesis has a better fit than the pure dark matter one. Finally, we also consider several representative decaying dark matter, which can provide a good t to the observed spectrum at IceCube with a dark matter lifetime of around 12 orders of magnitude longer than the age of the universe.

Authors:
 [1];  [2];  [3]
  1. Univ. of Wisconsin, Madison, WI (United States). Dept. of Physics
  2. Univ. of Wisconsin, Madison, WI (United States). Dept. of Physics; Univ. of Michigan, Ann Arbor, MI (United States). Michigan Center for Theoretical Physics
  3. Univ. of Wisconsin, Madison, WI (United States). Dept. of Physics; Wisconsin IceCube Particle Astrophysics Center, Madison, WI (United States)
Publication Date:
Research Org.:
Univ. of Wisconsin, Madison, WI (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1327294
Grant/Contract Number:  
FG02-95ER40896; FG02-95ER40899
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2016; Journal Issue: 1; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 79 ASTRONOMY AND ASTROPHYSICS; neutrino detectors and telescopes

Citation Formats

Bai, Yang, Lu, Ran, and Salvado, Jordi. Geometric compatibility of IceCube TeV-PeV neutrino excess and its galactic dark matter origin. United States: N. p., 2016. Web. doi:10.1007/JHEP01(2016)161.
Bai, Yang, Lu, Ran, & Salvado, Jordi. Geometric compatibility of IceCube TeV-PeV neutrino excess and its galactic dark matter origin. United States. doi:10.1007/JHEP01(2016)161.
Bai, Yang, Lu, Ran, and Salvado, Jordi. Wed . "Geometric compatibility of IceCube TeV-PeV neutrino excess and its galactic dark matter origin". United States. doi:10.1007/JHEP01(2016)161. https://www.osti.gov/servlets/purl/1327294.
@article{osti_1327294,
title = {Geometric compatibility of IceCube TeV-PeV neutrino excess and its galactic dark matter origin},
author = {Bai, Yang and Lu, Ran and Salvado, Jordi},
abstractNote = {Here, we perform a geometric analysis for the sky map of the IceCube TeV-PeV neutrino excess and test its compatibility with the sky map of decaying dark matter signals in our galaxy. Furthermore, we have found that a galactic decaying dark matter component in general improve the goodness of the fit of our model, although the pure isotropic hypothesis has a better fit than the pure dark matter one. Finally, we also consider several representative decaying dark matter, which can provide a good t to the observed spectrum at IceCube with a dark matter lifetime of around 12 orders of magnitude longer than the age of the universe.},
doi = {10.1007/JHEP01(2016)161},
journal = {Journal of High Energy Physics (Online)},
number = 1,
volume = 2016,
place = {United States},
year = {2016},
month = {1}
}

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Cited by: 14 works
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Works referenced in this record:

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    Works referencing / citing this record:

    Search for neutrinos from decaying dark matter with IceCube: IceCube Collaboration
    journal, October 2018