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Sub-GeV mass dark matter particles whose collisions with nuclei would not deposit sufficient energy to be detected, could instead be revealed through their interaction with electrons. Analyses of data from direct detection experiments…

High Energy Physics - Phenomenology · Physics 2022-03-24 Muping Chen , Graciela B. Gelmini , Volodymyr Takhistov

We present new observational constraints on the elastic scattering of dark matter with electrons for dark matter masses between 10 keV and 1 TeV. We consider scenarios in which the momentum-transfer cross section has a power-law dependence…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-01 David Nguyen , Dimple Sarnaaik , Kimberly K. Boddy , Ethan O. Nadler , Vera Gluscevic

We present a method to calculate, without making assumptions about the local dark matter velocity distribution, the maximal and minimal number of signal events in a direct detection experiment given a set of constraints from other direct…

High Energy Physics - Phenomenology · Physics 2017-09-06 Alejandro Ibarra , Andreas Rappelt

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

Our Moon is a natural giant direct-detection target for constraining dark matter. By considering the dark matter capture rate of the Moon, we obtain some constraints of the spin-independent elastic scattering cross section of dark matter…

High Energy Astrophysical Phenomena · Physics 2020-07-22 Man Ho Chan , Chak Man Lee

I derive new halo-independent lower bounds on the product of the dark matter-nucleon scattering cross section and the local dark matter density that are valid for annual modulations of dark matter direct detection signals. They are obtained…

High Energy Physics - Phenomenology · Physics 2015-09-16 Juan Herrero-Garcia

Due to shielding, direct detection experiments are in some cases insensitive to dark matter candidates with very large scattering cross sections with nucleons. In this paper, we revisit this class of models, and derive a simple analytic…

High Energy Physics - Phenomenology · Physics 2018-06-13 Dan Hooper , Samuel D. McDermott

Direct detection experiments and the interpretation of their results are sensitive to the velocity structure of the dark matter in our galactic halo. In this work, we extend the formalism that deals with such astrophysics-driven…

High Energy Physics - Phenomenology · Physics 2024-04-09 Elias Bernreuther , Patrick J. Fox , Benjamin Lillard , Anna-Maria Taki , Tien-Tien Yu

Uncertainty in the local dark matter velocity distribution is a key difficulty in the analysis of data from direct detection experiments. Here we propose a new approach for dealing with this uncertainty, which does not involve any…

High Energy Physics - Phenomenology · Physics 2014-09-19 Brian Feldstein , Felix Kahlhoefer

Results from direct detection experiments are typically interpreted by employing an assumption about the dark matter velocity distribution, with results presented in the $m_\chi-\sigma_n$ plane. Recently methods which are independent of the…

High Energy Physics - Phenomenology · Physics 2015-10-14 Adam J. Anderson , Patrick J. Fox , Yonatan Kahn , Matthew McCullough

We extend and correct a recently proposed maximum-likelihood halo-independent method to analyze unbinned direct dark matter detection data. Instead of the recoil energy as independent variable we use the minimum speed a dark matter particle…

High Energy Physics - Phenomenology · Physics 2015-12-02 Graciela B. Gelmini , Andreea Georgescu , Paolo Gondolo , Ji-Haeng Huh

We consider dark matter annihilation into Standard Model particles and show that the least detectable final states, namely neutrinos, define an upper bound on the total cross section. Calculating the cosmic diffuse neutrino signal, and…

Astrophysics · Physics 2008-11-26 John F. Beacom , Nicole F. Bell , Gregory D. Mack

In the past few years, many mesoscale systems have been proposed as possible detectors of sub-GeV dark matter particles. In this work, we point out the feasibility of probing dark matter-nucleon scattering cross section using…

High Energy Physics - Phenomenology · Physics 2023-11-15 Anirban Das , Noah Kurinsky , Rebecca K. Leane

Direct dark matter detection focuses on elastic scattering of dark matter particles off nuclei. In this study, we explore inelastic scattering where the nucleus is excited to a low-lying state of 10-100 keV, with subsequent prompt…

Cosmology and Nongalactic Astrophysics · Physics 2014-01-01 L. Baudis , G. Kessler , P. Klos , R. F. Lang , J. Menendez , S. Reichard , A. Schwenk

Dark matter (DM)-electron scattering is a prime target of a number of direct DM detection experiments and constitutes a promising avenue for exploring interactions of DM in the sub-GeV mass-range, challenging to probe with nuclear recoils.…

High Energy Physics - Phenomenology · Physics 2023-05-17 Muping Chen , Graciela B. Gelmini , Volodymyr Takhistov

The rate of dark matter-electron scattering depends on the underlying velocity distribution of the dark matter halo. Importantly, dark matter-electron scattering is particularly sensitive to the high-velocity tail, which differs…

High Energy Physics - Phenomenology · Physics 2021-02-17 Aria Radick , Anna-Maria Taki , Tien-Tien Yu

There has been renewed interest in the possibility that dark matter exists in the form of atoms, analogous to those of the visible world. An important input for understanding the cosmological consequences of dark atoms is their…

High Energy Physics - Phenomenology · Physics 2014-02-26 James M. Cline , Zuowei Liu , Guy D. Moore , Wei Xue

The direct detection of dark matter through its elastic scattering off nucleons is among the most promising methods for establishing the particle identity of dark matter. The current bound on the spin-independent scattering cross section is…

High Energy Physics - Phenomenology · Physics 2011-05-25 Jonathan L. Feng , David Sanford

Dark matter (DM) could self-annihilate into neutrinos in dense regions of the Universe. We consider the resulting flux of neutrinos from the Milky Way DM halo and derive exclusion limits on the annihilation cross-section using XENONnT…

High Energy Physics - Phenomenology · Physics 2025-09-19 Boris Betancourt Kamenetskaia , Jong-Chul Park , Merlin Reichard , Gaurav Tomar

Halo-independent methods for analyzing direct detection experiments can provide robust results while making no assumptions about the dark matter halo in our galaxy. We extend existing methods to the case of unbinned data, which is…

High Energy Physics - Phenomenology · Physics 2014-11-18 Yonatan Kahn
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