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Related papers: Dark Matter decay to neutrinos

200 papers

This article summarizes the possible roles of neutrinos in cosmology, from the first three minutes onward. The fact that primordial neutrinos are about as numerous as the photons of the cosmological background radiation means that neutrino…

Astrophysics · Physics 2007-05-23 Joel R. Primack

The indirect detection of dark matter annihilation and decay using observations of photons, charged cosmic rays, and neutrinos offers a promising means of identifying the particle nature of this elusive component of the universe. The last…

High Energy Astrophysical Phenomena · Physics 2016-11-23 Jennifer M. Gaskins

The nature of dark matter is one of the open problems of the Standard Model of particle physics. Despite the great experimental efforts, we have not yet found a positive signal of its interactions with ordinary matter. One possible…

High Energy Physics - Phenomenology · Physics 2019-04-09 M. Blennow , E. Fernández-Martínez , A. Olivares-Del Campo , S. Pascoli , S. Rosauro-Alcaraz , A. V. Titov

Dark matter particles gravitationally trapped inside the Sun may annihilate into Standard Model particles, producing a flux of neutrinos. The prospects of detecting these neutrinos in future multi-\kton{} neutrino detectors designed for…

High Energy Physics - Phenomenology · Physics 2015-03-19 Sanjib K. Agarwalla , Mattias Blennow , Enrique Fernandez Martinez , Olga Mena

The existing discrepancy between neutron lifetime measurements in bottle and beam experiments has been interpreted as a sign of the neutron decaying to dark particles. We summarize the current status of this proposal, including a discussion…

High Energy Physics - Phenomenology · Physics 2020-10-13 Bartosz Fornal , Benjamin Grinstein

Particulate dark matter captured by a population of neutron stars distributed around the galactic center while annihilating through long-lived mediators can give rise to an observable neutrino flux. We examine the prospect of an idealised…

High Energy Physics - Phenomenology · Physics 2024-07-31 Debajit Bose , Tarak Nath Maity , Tirtha Sankar Ray

Since the report of the PeV-TeV neutrinos by the IceCube Collaboration, various particle physics models have been proposed to explain the neutrino spectrum by dark matter particles decaying into neutrinos and other Standard Model…

High Energy Physics - Phenomenology · Physics 2018-01-17 Nagisa Hiroshima , Ryuichiro Kitano , Kazunori Kohri , Kohta Murase

We provide a comprehensive study of observable spectra from dark matter pair-annihilation or decay into sterile (right-handed) neutrinos. This occurs, for instance, in neutrino portal dark matter models, where a sterile neutrino acts as the…

High Energy Physics - Phenomenology · Physics 2022-11-14 Logan Morrison , Stefano Profumo , Bibhushan Shakya

We point out a novel role for the Standard Model neutrino in dark matter phenomenology where the exchange of neutrinos generates a long-range potential between dark matter particles. The resulting dark matter self interaction could be…

High Energy Physics - Phenomenology · Physics 2021-10-13 Nicholas Orlofsky , Yue Zhang

There should be not doubt by now that neutrino telescopes are competitive instruments when it comes to searches for dark matter. Their large detector volumes collect hundreds of neutrinos per day. They scrutinize the whole sky continuously,…

High Energy Astrophysical Phenomena · Physics 2018-08-27 Carlos Pérez de los Heros

Weakly interacting massive particles (WIMPs) can be gravitationally captured by the Sun and trapped in its core. The annihilation of those WIMPs into Standard Model particles produces a spectrum of neutrinos whose energy distribution is…

High Energy Astrophysical Phenomena · Physics 2019-09-20 Carlos A. Argüelles , Ali Kheirandish , Jeffrey Lazar , Qinrui Liu

We consider a class of late-decaying dark-matter models, in which a dark matter particle decays to a heavy stable daughter of approximately the same mass, together with one or more relativistic particles which carry away only a small…

High Energy Astrophysical Phenomena · Physics 2011-12-19 Nicole F. Bell , Ahmad J. Galea , Kalliopi Petraki

In the presence of interactions between neutrinos and dark matter (DM), DM can potentially be produced via freeze-in from the neutrino sector. We investigate the implications of such a scenario for the evolution of both DM and neutrinos in…

High Energy Physics - Phenomenology · Physics 2022-02-02 Marco Hufnagel , Xun-Jie Xu

The origin of neutrino mass remains an open question in particle physics. One intriguing possibility is that neutrinos are massless in vacuum but acquire an effective refractive mass through interactions with ultralight dark matter during…

High Energy Physics - Phenomenology · Physics 2026-05-25 Federica Pompa , Manibrata Sen

We use NuSTAR observations of the Galactic Center to search for X-ray lines from the radiative decay of sterile neutrino dark matter. Finding no evidence of unknown lines, we set limits on the sterile neutrino mass and mixing angle. In most…

High Energy Astrophysical Phenomena · Physics 2017-06-14 Kerstin Perez , Kenny C. Y. Ng , John F. Beacom , Cora Hersh , Shunsaku Horiuchi , Roman Krivonos

In order to facilitate the identification of possible new physics signatures in neutrino telescopes, such as neutrinos from the annihilation of neutralinos or decaying relics, it is essential to gain full control over the astrophysical…

Astrophysics · Physics 2008-11-26 Karl Mannheim

A new class of neutrino dark energy models is presented. The new models are characterized by the lack of exotic particles or couplings that violate the standard model symmetry. It is shown that these models lead to several concrete…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Ilya Gurwich

In the indirect detection of dark matter through its annihilation products, the signals depend on the square of the dark matter density, making precise knowledge of the distribution of dark matter in the Universe critical for robust…

Astrophysics · Physics 2008-11-26 Hasan Yuksel , Shunsaku Horiuchi , John F. Beacom , Shin'ichiro Ando

Recent theoretical work has explored dark matter accumulation in the Earth and its drift towards the center of the Earth that, for the current age of the Earth, does not necessarily result in a concentration of dark matter ($\chi$) in the…

We discuss a limitation on extracting bounds on the scattering cross section of dark matter with nucleons, using neutrinos from the Sun. If the dark matter particle is sufficiently light (less than about 4 GeV), the effect of evaporation is…

High Energy Physics - Phenomenology · Physics 2013-07-09 Giorgio Busoni , Andrea De Simone , Wei-Chih Huang