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Anisotropic target materials are promising candidates for dark matter direct detection experiments, providing a directional sensitivity that can be used to distinguish a dark matter (DM) signal from the various Standard Model backgrounds.…

High Energy Physics - Phenomenology · Physics 2025-02-26 Benjamin Lillard , Aria Radick

Dark matter (DM) constitutes around a 25% of the Universe, while baryons only a 4%. DM can be reasonably assumed to be made of particles, and many theories (Super-symmetry, Universal Extra Dimensions, etc.) predict Weakly Interacting…

High Energy Astrophysical Phenomena · Physics 2022-03-02 A. Morselli , B. Canadas , V. Vitale

We comprehensively study experimental constraints and prospects for a class of minimal hidden sector dark matter (DM) models, highlighting how the cosmological history of these models informs the experimental signals. We study simple…

High Energy Physics - Phenomenology · Physics 2018-04-04 Jared A. Evans , Stefania Gori , Jessie Shelton

We investigate the effect of a coupling between dark matter and dark energy on the rates for the direct detection of dark matter. The magnitude of the effect depends on the strength $\kappa$ of this new interaction relative to gravity. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 N. Tetradis , J. D. Vergados , Amand Faessler

The magnetic inelastic dark matter (MiDM) model, in which dark matter inelastically scatters off nuclei through a magnetic dipole interaction, has previously been shown to reconcile the DAMA/LIBRA annual modulation signal with null results…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-17 Tongyan Lin , Douglas P. Finkbeiner

We investigate how the Large Magellanic Cloud (LMC) impacts the predicted signals in near-future direct detection experiments for non-standard dark matter (DM) interactions, using the Auriga cosmological simulations. We extract the local DM…

High Energy Physics - Phenomenology · Physics 2024-09-17 Javier Reynoso-Cordova , Nassim Bozorgnia , Marie-Cécile Piro

Dark matter self-interactions may have the capability to solve or at least mitigate small-scale problems of the cosmological standard model, Lambda Cold Dark Matter. There are a variety of self-interacting dark matter models that lead to…

Cosmology and Nongalactic Astrophysics · Physics 2024-03-19 Moritz S. Fischer , Lenard Kasselmann , Marcus Brüggen , Klaus Dolag , Felix Kahlhoefer , Antonio Ragagnin , Andrew Robertson , Kai Schmidt-Hoberg

We present a systematic halo-independent analysis of available Weakly Interacting Massive Particles (WIMP) direct detection data within the framework of Inelastic Dark Matter (IDM). We show that, when the smallest number of assumptions is…

Cosmology and Nongalactic Astrophysics · Physics 2014-09-03 Stefano Scopel , KookHyun Yoon

WIMP direct detection experiments probe the ultra-local dark matter density and velocity distribution. We review how uncertainties in these quantities affect the accuracy with which the WIMP mass and cross-section can be constrained or…

Cosmology and Nongalactic Astrophysics · Physics 2010-04-15 Anne M. Green

We explore the possibility of discovering the mirror baryons and electrons of the Mirror Twin Higgs model in direct detection experiments, in a scenario in which these particles constitute a subcomponent of the observed DM. We consider a…

High Energy Physics - Phenomenology · Physics 2021-12-22 Zackaria Chacko , David Curtin , Michael Geller , Yuhsin Tsai

Predicting signals in direct dark matter (DM) detection experiments requires an understanding of the astrophysical structure of the local halo. Any uncertainty in this understanding will feed directly into all experimental results. However…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-31 Ciaran A. J. O'Hare

Recent results from several direct detection experiments have imposed severe constraints on the multi-GeV mass window for various dark matter (DM) models. However, many of these experiments are not sensitive to MeV scale DM as the…

High Energy Physics - Phenomenology · Physics 2019-08-14 Debajyoti Choudhury , Divya Sachdeva

An excess $\gamma$-ray signal toward the outer halo of M31 has recently been reported. Although other explanations are plausible, the possibility that it arises from dark matter (DM) is valid. In this work we interpret the excess in the…

High Energy Astrophysical Phenomena · Physics 2021-02-17 Chris Karwin , Simona Murgia , Igor Moskalenko , Sean Fillingham , Anne-Katherine Burns , Max Fieg

$\Lambda$-Warm Dark Matter (WDM) has been proposed as alternative scenario to $\Lambda$ cold dark matter (CDM), motivated by discrepancies at the scale of dwarf galaxies, with less small-scale power and realized by collisionless particles…

Astrophysics of Galaxies · Physics 2018-08-08 Alice Chau , Lucio Mayer , Fabio Governato

We explore systematic biases in the identification of dark matter in future direct detection experiments and compare the reconstructed dark matter properties when assuming a self-consistent dark matter distribution function and the standard…

Cosmology and Nongalactic Astrophysics · Physics 2013-02-27 Miguel Pato , Louis E. Strigari , Roberto Trotta , Gianfranco Bertone

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 demonstrate precisely what particle physics information can be extracted from a single direct detection observation of dark matter while making absolutely no assumptions about the local velocity distribution and local density of dark…

High Energy Physics - Phenomenology · Physics 2011-02-18 Patrick J. Fox , Graham D. Kribs , Tim M. P. Tait

Gamma-ray observations have long been used to constrain the properties of dark matter (DM), with a strong focus on weakly interacting massive particles annihilating through velocity-independent processes. However, in the absence of…

High Energy Astrophysical Phenomena · Physics 2022-10-11 Thomas Lacroix , Gaétan Facchinetti , Judit Pérez-Romero , Martin Stref , Julien Lavalle , David Maurin , Miguel A. Sánchez-Conde

The Milky Way (MW) dwarf spheroidal satellite galaxies (dSphs) are particularly intriguing targets to search for gamma rays from Weakly Interacting Massive Particle (WIMP) dark matter (DM) annihilation or decay. They are nearby,…

High Energy Astrophysical Phenomena · Physics 2023-11-10 Alex McDaniel , Marco Ajello , Christopher M. Karwin , Mattia Di Mauro , Alex Drlica-Wagner , Miguel A. Sanchez-Conde

In the last decade direct detection Dark Matter (DM) experiments have increased enormously their sensitivity and ton-scale setups have been proposed, especially using germanium and xenon targets with double readout and background…

Instrumentation and Methods for Astrophysics · Physics 2015-06-19 D. G. Cerdeno , C. Cuesta , M. Fornasa , E. Garcia , C. Ginestra , C. Marcos , M. Martinez , Y. Ortigoza , M. Peiro , J. Puimedon , M. L. Sarsa