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Reducing theoretical uncertainties in Galactic dark matter (DM) searches is an important challenge as several experiments are now delving into the parameter space relevant to popular (particle or not) candidates. Since many DM signal…

Astrophysics of Galaxies · Physics 2020-10-20 Thomas Lacroix , Arturo Núñez-Castiñeyra , Martin Stref , Julien Lavalle , Emmanuel Nezri

Rates for detection of weakly-interacting massive-particle (WIMP) dark matter are usually carried out assuming the Milky Way halo is an isothermal sphere. However, it is possible that our halo is not precisely spherical; it may have some…

High Energy Physics - Phenomenology · Physics 2010-11-30 Marc Kamionkowski , Ali Kinkhabwala

We present a new method for determining Weakly Interacting Massive Particle (WIMP) properties in future tonne scale direct detection experiments which accounts for uncertainties in the Milky Way (MW) smooth dark matter distribution. Using…

High Energy Astrophysical Phenomena · Physics 2009-12-30 Louis E. Strigari , Roberto Trotta

Self-interacting dark matter offers an interesting alternative to collisionless dark matter because of its ability to preserve the large-scale success of the cold dark matter model, while seemingly solving its challenges on small scales. We…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Mark Vogelsberger , Jesus Zavala

The theoretical interpretation of dark matter (DM) experiments is hindered by uncertainties on the dark matter density and velocity distribution inside the Solar System. In order to quantify those uncertainties, we present a parameter that…

High Energy Physics - Phenomenology · Physics 2018-12-14 Alejandro Ibarra , Bradley J. Kavanagh , Andreas Rappelt

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

In this work we show how the inclusion of dark matter (DM) direct detection upper bounds in a theoretically consistent manner can affect the allowed parameter space of a DM model. Traditionally, the limits from DM direct detection…

High Energy Physics - Phenomenology · Physics 2016-03-14 Cristina Marcos , Miguel Peiro , Sandra Robles

Alternatives to the cold, collisionless dark matter (DM) paradigm in which DM behaves as a collisional fluid generically suppress small-scale structure. Herein we use the observed population of Milky Way (MW) satellite galaxies to constrain…

Cosmology and Nongalactic Astrophysics · Physics 2020-06-18 Ethan O. Nadler , Vera Gluscevic , Kimberly K. Boddy , Risa H. Wechsler

We show that compatibility between the DAMA modulation result (as well as less statistically significant excesses such as the CDMS Silicon effect and the excess claimed by CRESST) with constraints from other experiments can be achieved by…

Cosmology and Nongalactic Astrophysics · Physics 2015-12-31 Stefano Scopel , Kook-Hyun Yoon , Jong-Hyun Yoon

In this study, we propose an investigation into dark photon dark matter (DPDM) within the infrared frequency band, utilizing highly sensitive infrared light detectors commonly integrated into space telescopes, such as the James Webb Space…

High Energy Physics - Phenomenology · Physics 2026-02-11 Haipeng An , Shuailiang Ge , Jia Liu , Zhiyao Lu

We study predictions for dark matter phase-space structure near the Sun based on high-resolution simulations of six galaxy halos taken from the Aquarius Project. The local DM density distribution is predicted to be remarkably smooth; the…

Understanding the nature of dark matter is among the top priorities of modern physics. However, due to its inertness, detecting and studying it directly in terrestrial experiments is extremely challenging. Numerical N-body simulations…

Astrophysics of Galaxies · Physics 2024-03-06 Zhen Li , Steen H. Hansen

A signal from decaying dark matter (DM) can be unambiguously distinguished from spectral features of astrophysical or instrumental origin by studying its spatial distribution. We demonstrate this approach by examining the recent claim of…

Cosmology and Nongalactic Astrophysics · Physics 2010-09-14 Alexey Boyarsky , Oleg Ruchayskiy , Dmytro Iakubovskyi , Matthew G. Walker , Signe Riemer-Sorensen , Steen H. Hansen

We introduce dark mediator Dark matter (dmDM) where the dark and visible sectors are connected by at least one light mediator $\phi$ carrying the same dark charge that stabilizes DM. $\phi$ is coupled to the Standard Model via an operator…

High Energy Physics - Phenomenology · Physics 2015-12-30 David Curtin , Ze'ev Surujon , Yuhsin Tsai

Identifying the true theory of dark matter depends crucially on accurately characterizing interactions of dark matter (DM) with other species. In the context of DM direct detection, we present a study of the prospects for correctly…

High Energy Physics - Phenomenology · Physics 2016-01-13 Vera Gluscevic , Moira I. Gresham , Samuel D. McDermott , Annika H. G. Peter , Kathryn M. Zurek

Weakly interacting massive particles (WIMPs) are one of the leading candidates for dark matter. Currently, the most promising method to detect many different WIMP candidates is the direct detection of the recoil energy deposited in a…

Astrophysics · Physics 2010-10-27 Manuel Drees , Chung-Lin Shan

The spatial distribution of Milky Way (MW) subhaloes provides an important set of observables for testing cosmological models. These include the radial distribution of luminous satellites, planar configurations, and the abundance of dark…

Astrophysics of Galaxies · Physics 2023-02-09 Mark R. Lovell , Marius Cautun , Carlos S. Frenk , Wojciech A. Hellwing , Oliver Newton

Warm dark matter (WDM) can potentially explain small-scale observations that currently challenge the cold dark matter (CDM) model, as warm particles suppress structure formation due to free-streaming effects. Observing small-scale matter…

Cosmology and Nongalactic Astrophysics · Physics 2023-01-23 Ariane Dekker , Shin'ichiro Ando , Camila A. Correa , Kenny C. Y. Ng

A precise determination of the local dark matter density and an accurate control over the corresponding uncertainties are of paramount importance for Dark Matter (DM) searches. Using very recent high-resolution numerical simulations of a…

High Energy Astrophysical Phenomena · Physics 2014-11-21 Miguel Pato , Oscar Agertz , Gianfranco Bertone , Ben Moore , Romain Teyssier

Dark matter could have a dissipative asymmetric subcomponent in the form of atomic dark matter (aDM). This arises in many scenarios of dark complexity, and is a prediction of neutral naturalness, such as the Mirror Twin Higgs model. We show…

High Energy Physics - Phenomenology · Physics 2021-06-25 David Curtin , Jack Setford