Propagation of high-energy neutrinos in a background of ultralight scalar dark matter

被引：32

作者：

Reynoso, Matias M. ^{[1
]}

Sampayo, Oscar A.

机构：

[1] CONICET UNMdP, IFIMAR, Funes 3350, RA-7600 Mar Del Plata, Argentina

来源：

ASTROPARTICLE PHYSICS | 2016年 / 82卷

关键词：

Astrophysical neutrinos; New physics; Dark matter; COSMIC-RAYS; UNIVERSE;

D O I：

10.1016/j.astropartphys.2016.05.004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

If high-energy neutrinos propagate in a background of ultralight scalar field particles of dark matter (m(phi), similar to 10(-23) eV), neutrino-dark matter interactions can play a role and affect the neutrino flux. In this work we analyse this effect using transport equations that account for the neutrino regeneration as well as absorption, and we consider the neutrino flux propagation in the extragalactic medium and also through the galactic halo of dark matter. We show the results for the final flux to arrive on Earth for different cases of point and diffuse neutrino fluxes. We conclude that this type of neutrino interactions with ultralight scalar particles as dark matter can yield very different results in the neutrino flux and in the flavor ratios that can be measured in neutrino detectors such as IceCube. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：10 / 20

页数：11

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