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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

The annihilation of dark matter (DM) particles accumulated in the Sun could produce a flux of neutrinos, which is potentially detectable with neutrino detectors/telescopes and the DM elastic scattering cross section can be constrained.…

High Energy Physics - Phenomenology · Physics 2017-05-16 Raghuveer Garani , Sergio Palomares-Ruiz

We study the thermal transport occurring in the system of solar captured dark matter (DM) and explore its impact on the DM indirect search signal. We particularly focus on the scenario of self-interacting DM (SIDM). The flows of energies in…

High Energy Physics - Phenomenology · Physics 2015-09-02 Chian-Shu Chen , Guey-Lin Lin , Yen-Hsun Lin

The halo dark matter (DM) can be gravitationally captured by the Sun. For self-interacting DM (SIDM), we show that the number of DM trapped inside the Sun remains unsuppressed even if the DM-nucleon cross section is negligible. We consider…

High Energy Physics - Phenomenology · Physics 2016-01-13 Chian-Shu Chen , Guey-Lin Lin , Yen-Hsun Lin

We study the impact of heavy dark matter (DM) captured in massive stars via scattering(s) with the star constituents. We focus on the first stars and use stellar evolution simulations to track down how DM capture evolves over time from the…

High Energy Physics - Phenomenology · Physics 2026-03-24 Sandra Robles , Walter Tangarife , Giorgio Busoni

If DM-matter scatterings are assumed to occur in a detector's target material, collisions will naturally take place inside the bulk of planets and stars as well. For large cross sections, these scatterings might occur in the Earth or Sun…

High Energy Physics - Phenomenology · Physics 2019-06-19 Timon Emken

We study the effect of dark matter (DM) particles in the Sun, focusing in particular on the possible reduction of the solar neutrinos flux due to the energy carried away by DM particles from the innermost regions of the Sun, and to the…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-21 Marco Taoso , Fabio Iocco , Georges Meynet , Gianfranco Bertone , Patrick Eggenberger

Among the different strategies aiming to detect WIMP dark matter (DM), a neutrino signal coming from the Sun would be a smoking gun. This possibility relies on the DM capture by the Sun driven by the local DM distribution assumptions: the…

Astrophysics of Galaxies · Physics 2019-12-18 A. Nuñez-Castiñeyra , E. Nezri , V. Bertin

If multiple thermal weakly interacting massive particle (WIMP) dark matter candidates exist, then their capture and annihilation dynamics inside a massive stars such as Sun could change from conventional method of study. With a simple…

High Energy Physics - Phenomenology · Physics 2023-04-25 Amit Dutta Banik

We explore the singlet scalar dark matter (DM) from direct detections and high energy neutrino signals generated by the solar DM annihilation. Two singlet scalar DM models are discussed, one is the real singlet scalar DM model as the simple…

High Energy Physics - Phenomenology · Physics 2015-05-27 Wan-Lei Guo , Yue-Liang Wu

The Sun is a promising target for dark matter (DM) searches due to its ability to accumulate DM particles via scattering and catalyze their self-annihilation. However, at low DM masses, DM particles can also "evaporate" due to subsequent…

High Energy Physics - Phenomenology · Physics 2026-03-05 Thong T. Q. Nguyen , Tim Linden

We study the capture, annihilation and evaporation of dark matter (DM) inside the Sun. It has been shown that the DM self-interaction can increase the DM number inside the Sun. We demonstrate that this enhancement becomes more significant…

High Energy Physics - Phenomenology · Physics 2014-12-23 Chian-Shu Chen , Fei-Fan Lee , Guey-Lin Lin , Yen-Hsun Lin

The Sun may capture asymmetric dark matter (DM), which can subsequently form bound-states through the radiative emission of a sub-GeV scalar. This process enables generation of scalars without requiring DM annihilation. In addition to DM…

High Energy Physics - Phenomenology · Physics 2024-05-28 Xiaoyong Chu , Raghuveer Garani , Camilo García-Cely , Thomas Hambye

In recent years, the importance of the electronic in-medium effect in the sub-GeV dark matter (DM) direct detection has been recognized and a coherent formulation of the DM-electron scattering based the linear response theory has been well…

High Energy Physics - Phenomenology · Physics 2023-12-14 Zheng-Liang Liang , Ping Zhang

Conversions and semi-annihilations of dark matter (DM) particles in addition to the standard DM annihilations are considered in a three-component DM system. We find that the relic abundance of DM can be very sensitive to these non-standard…

High Energy Physics - Phenomenology · Physics 2015-03-20 Mayumi Aoki , Michael Duerr , Jisuke Kubo , Hiroshi Takano

Dark matter (DM) particles gravitationally captured by the Sun can accumulate in its core and subsequently annihilate, producing neutrino fluxes that may be detectable on Earth. The intensity of these fluxes is highly sensitive to the…

High Energy Physics - Phenomenology · Physics 2025-06-18 A. Carrillo-Monteverde , L. López-Lozano

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

Dark matter could be captured in the Sun and self-annihilate, giving rise to an observable neutrino flux. Indirect searches for dark matter looking for this signal with neutrino telescopes have resulted in tight constraints on the…

High Energy Astrophysical Phenomena · Physics 2014-06-03 Koun Choi , Carsten Rott , Yoshitaka Itow

A potential flux of high-energy neutrinos from the annihilation of dark matter particles trapped within the Sun has been exploited to place indirect limits on particle dark matter. In most models, the dark matter interacts weakly, but the…

High Energy Astrophysical Phenomena · Physics 2009-11-06 Andrew R. Zentner

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
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