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Scattering of sub-GeV dark matter (DM) particles with hydrogen atoms is studied in this paper. The interactions of DM with electrons and nucleons are both included and formulated in a general framework based on nonrelativistic effective…

High Energy Physics - Phenomenology · Physics 2015-12-09 Jiunn-Wei Chen , Hsin-Chang Chi , C. -P. Liu , Chih-Liang Wu , Chih-Pan Wu

Dark matter particles can be captured by the sun with rates that depend on the dark matter mass and the DM-nucleon cross section. However, for masses below $\sim 3.3$ GeV, the captured dark matter particles evaporate, leading to an…

High Energy Physics - Phenomenology · Physics 2015-10-07 Chris Kouvaris

The observation of GeV neutrinos coming from the Sun would be an unmistakable signal of dark matter. Current neutrino detectors have so far failed to detect such a signal, however, and bounds from direct and indirect dark matter searches…

High Energy Physics - Phenomenology · Physics 2017-12-20 Nicolao Fornengo , Antonio Masiero , Farinaldo S. Queiroz , Carlos E. Yaguna

Dark matter capture and annihilation in the Sun can produce detectable high-energy neutrinos, providing a probe of the dark matter-proton scattering cross section. We consider the case when annihilation proceeds via long-lived dark…

High Energy Astrophysical Phenomena · Physics 2017-07-03 Rebecca K. Leane , Kenny C. Y. Ng , John F. Beacom

Cosmic rays hitting the solar atmosphere generate neutrinos that interact and oscillate in the Sun and oscillate on the way to Earth. These neutrinos could potentially be detected with neutrino telescopes and will be a background for…

High Energy Astrophysical Phenomena · Physics 2017-07-11 Joakim Edsjo , Jessica Elevant , Rikard Enberg , Carl Niblaeus

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

We explore the momentum and velocity dependent elastic scattering between the dark matter (DM) particles and the nuclei in detectors and the Sun. In terms of the non-relativistic effective theory, we phenomenologically discuss ten kinds of…

High Energy Physics - Phenomenology · Physics 2015-06-15 Wan-Lei Guo , Zheng-Liang Liang , Yue-Liang Wu

Dark matter (DM) self-interactions affect the gravitational capture of DM in the Sun and Earth differently as a simple consequence of the differing kinematics of collisions within the two potential wells: the dominant effect of…

High Energy Physics - Phenomenology · Physics 2019-06-14 Cristian Gaidau , Jessie Shelton

We calculate the annihilation rate of weakly interacting massive particles (WIMPs) in the Sun as a function of their mass and elastic scattering cross section. One byproduct of the annihilation, muon neutrinos, may be observed by the next…

High Energy Astrophysical Phenomena · Physics 2009-07-30 Annika H. G. Peter

Dark matter can be gravitationally captured by the Sun after scattering off solar nuclei. Annihilations of the dark matter trapped and accumulated in the centre of the Sun could result in one of the most detectable and recognizable signals…

High Energy Physics - Phenomenology · Physics 2015-11-26 Carsten Rott , Seongjin In , Jason Kumar , David Yaylali

High energy neutrinos are produced by the annihilation of dark matter particles in our galaxy. These are presently searched for with large area, deep underground neutrino telescopes. Cold dark matter particles, trapped inside the sun, are…

High Energy Physics - Phenomenology · Physics 2009-09-25 F. Halzen , J. E. Jacobsen

Dark matter in the form of Weakly Interacting Massive Particles (WIMPs) can be captured by the Sun and the Earth, sink to their cores, annihilate and produce neutrinos that can be searched for with neutrino telescopes. The calculation of…

High Energy Astrophysical Phenomena · Physics 2012-07-11 Sofia Sivertsson , Joakim Edsjo

We calculate the muon flux from annihilation of the dark matter in the core of the Sun, in the core of the Earth and from cosmic diffuse neutrinos produced in dark matter annihilation in the halos. We consider model-independent direct…

High Energy Physics - Phenomenology · Physics 2009-09-02 Arif Emre Erkoca , Mary Hall Reno , Ina Sarcevic

Millicharged dark matter particles can be efficiently captured by the Sun, where they annihilate into tau leptons, leading to the production of high-energy neutrinos. In contrast to the Earth, the high temperature of the Sun suppresses the…

High Energy Physics - Phenomenology · Physics 2024-07-09 Asher Berlin , Dan Hooper

A sub-component of dark matter with a short collision length compared to a planetary size leads to efficient accumulation of dark matter in astrophysical bodies. We analyze possible neutrino signals from the annihilation of such dark matter…

High Energy Physics - Phenomenology · Physics 2024-01-15 Maxim Pospelov , Anupam Ray

Dark matter (DM) annihilations in the Galaxy may produce high energy neutrinos, which can be detected by the neutrino telescopes, for example IceCube, ANTARES and Super-Kamiokande. The neutrinos can also arise from hadronic interaction…

Astrophysics · Physics 2009-11-13 Peng-fei Yin , Jia Liu , Qiang Yuan , Xiao-jun Bi , Shou-hua Zhu

We study indirect detection signals from solar annihilation of dark matter (DM) particles into light right-handed (RH) neutrinos with a mass in a $1-5$ GeV range. These RH neutrinos can have a sufficiently long lifetime to allow them to…

High Energy Physics - Phenomenology · Physics 2017-04-12 Rouzbeh Allahverdi , Yu Gao , Bradley Knockel , Shashank Shalgar

Dark matter (DM) particles with mass in the sub-GeV range are an attractive alternative to heavier weakly-interacting massive particles, but direct detection of such light particles is challenging. If however DM-nucleus scattering leads to…

High Energy Physics - Phenomenology · Physics 2018-09-12 Matthew J. Dolan , Felix Kahlhoefer , Christopher McCabe

We study the effects of energy transport in the Sun by asymmetric dark matter with momentum and velocity-dependent interactions, with an eye to solving the decade-old Solar Abundance Problem. We study effective theories where the dark…

High Energy Physics - Phenomenology · Physics 2016-05-25 Aaron C. Vincent , Aldo Serenelli , Pat Scott

White dwarfs, the most abundant stellar remnants, provide a promising means of probing dark matter (DM) interactions, complimentary to terrestrial searches. The scattering of dark matter from stellar constituents leads to gravitational…

High Energy Physics - Phenomenology · Physics 2021-11-01 Nicole F. Bell , Giorgio Busoni , Maura E. Ramirez-Quezada , Sandra Robles , Michael Virgato