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Detection of electron recoils by dark matter (DM) may reveal the structure of the dark sector. We consider a scenario where a heavier DM particle inelastically scatters off an electron and is converted into a lighter DM particle. A small…

高能物理 - 唯象学 · 物理学 2020-09-02 Keisuke Harigaya , Yuichiro Nakai , Motoo Suzuki

The threshold displacement energy for nuclear recoils depends strongly on the direction of the recoiling nucleus with respect to the crystal lattice. Assuming that similar dependence holds for the ionization threshold for low energy nuclear…

高能物理 - 唯象学 · 物理学 2022-10-05 Matti Heikinheimo , Sebastian Sassi , Kimmo Tuominen , Kai Nordlund , Nader Mirabolfathi

In the scenario where the dark matter (DM) particles $\chi\bar\chi$ pair annihilate through a resonance particle $R$, the constraint from DM relic density makes the corresponding cross section for DM-nuclei elastic scattering extremely…

高能物理 - 唯象学 · 物理学 2015-03-31 Bo Li , Yu-Feng Zhou

From an assumed signal in a Dark Matter (DM) direct detection experiment a lower bound on the product of the DM--nucleon scattering cross section and the local DM density is derived, which is independent of the local DM velocity…

高能物理 - 唯象学 · 物理学 2015-08-26 Mattias Blennow , Juan Herrero-Garcia , Thomas Schwetz , Stefan Vogl

Direct searches for Dark Matter (DM) are continuously improving, probing down to lower and lower DM-nucleon interaction cross sections. For strongly-interacting massive particle (SIMP) Dark Matter, however, the accessible cross section is…

高能物理 - 唯象学 · 物理学 2018-07-03 Bradley J. Kavanagh

The recent XENON1T excess can be explained by the solar active-sterile neutrino conversion with bound electrons via light mediator. Nevertheless, the atomic effects are usually omitted in the solar neutrino explanations. We systematically…

高能物理 - 唯象学 · 物理学 2022-06-01 Shao-Feng Ge , Pedro Pasquini , Jie Sheng

The elastic scattering of an atomic nucleus plays a central role in dark matter direct detection experiments. In those experiments, it is usually assumed that the atomic electrons around the nucleus of the target material immediately follow…

高能物理 - 唯象学 · 物理学 2023-11-29 Masahiro Ibe , Wakutaka Nakano , Yutaro Shoji , Kazumine Suzuki

We discuss the neutrino constraints from solar and terrestrial dark matter (DM) annihilations in the inelastic dark matter (iDM) scenario after the recent CDMS II results. To reconcile the DAMA/LIBRA data with constraints from all other…

高能物理 - 唯象学 · 物理学 2014-11-20 Jing Shu , Peng-fei Yin , Shou-hua Zhu

We show that a positive signal in a dark matter (DM) direct detection experiment can be used to place a lower bound on the DM capture rate in the Sun, independent of the DM halo. For a given particle physics model and DM mass we obtain a…

高能物理 - 唯象学 · 物理学 2015-05-27 Mattias Blennow , Juan Herrero-Garcia , Thomas Schwetz

Neutrino and dark matter experiments with large-volume ($\gtrsim 1$ ton) detectors can provide excellent sensitivity to signals induced by energetic light dark matter coming from the present universe. Taking boosted dark matter as a…

高能物理 - 唯象学 · 物理学 2020-07-16 Doojin Kim , Pedro A. N. Machado , Jong-Chul Park , Seodong Shin

Direct detection experiments have started to explore dark matter scattering off electrons and nucleons through light mediators. Mediators with sub-keV masses are efficiently produced in the Sun and can be absorbed in the same detectors that…

高能物理 - 唯象学 · 物理学 2026-02-27 Pieter Braat , Anh Vu Phan , Marieke Postma , Susanne Westhoff

Neutrinos are often considered as a portal to new physics beyond the Standard Model (SM) and might possess phenomenologically interesting interactions with dark matter (DM). This paper examines the cosmological imprints of DM that interacts…

高能物理 - 唯象学 · 物理学 2024-03-19 Isaac R. Wang , Xun-Jie Xu

Strongly-interacting dark matter can be accumulated in large quantities inside the Earth, and for dark matter particles in a few GeV mass range, it can exist in large quantities near the Earth's surface. We investigate the constraints…

高能物理 - 唯象学 · 物理学 2024-07-09 Yohei Ema , Maxim Pospelov , Anupam Ray

Geoneutrinos can provide a unique insight into Earth's interior, its central engine and its formation history. We study the detection of geoneutrinos in large direct detection experiments, which has been considered non-feasible. We compute…

高能物理 - 唯象学 · 物理学 2019-05-29 Graciela B. Gelmini , Volodymyr Takhistov , Samuel J. Witte

The search for weakly interacting massive particles (WIMPs) by direct detection faces an encroaching background due to coherent neutrino-nucleus scattering. For a given WIMP mass the cross section at which neutrinos constitute a dominant…

宇宙学与河外天体物理 · 物理学 2016-09-28 Ciaran A. J. O'Hare

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…

高能物理 - 唯象学 · 物理学 2015-06-15 Wan-Lei Guo , Zheng-Liang Liang , Yue-Liang Wu

In $\rm\Lambda$CDM cosmology, Dark Matter (DM) and neutrinos are assumed to be non-interacting. However, it is possible to have scenarios, where DM-neutrino interaction may be present, leading to scattering of DM with neutrinos and…

高能物理 - 唯象学 · 物理学 2021-10-20 Arnab Paul , Arindam Chatterjee , Anish Ghoshal , Supratik Pal

We consider the prospects for the detection of relatively light dark matter through direct annihilation to neutrinos. We specifically focus on the detection possibilities of water Cherenkov and liquid scintillator neutrino detection…

高能物理 - 唯象学 · 物理学 2010-04-30 Jason Kumar , John G. Learned , Stefanie Smith

A self-consistent global fitting method based on the Markov Chain Monte Carlo technique to study the dark matter (DM) property associated with the cosmic ray electron/positron excesses was developed in our previous work. In this work we…

宇宙学与河外天体物理 · 物理学 2012-03-15 Jie Liu , Qiang Yuan , Xiaojun Bi , Hong Li , Xinmin Zhang

We observe that sub-GeV Dark Matter (DM) induces Casimir-Polder forces between nucleons, that can be accessed by experiments from nuclear to molecular scales. We calculate the nucleon-nucleon potentials arising in the DM effective theory…

高能物理 - 唯象学 · 物理学 2018-04-18 Sylvain Fichet