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The detection of the theoretically expected dark matter is central to particle physics and cosmology. Current fashionable supersymmetric models provide a natural dark matter candidate which is the lightest supersymmetric particle (LSP).…

High Energy Physics - Phenomenology · Physics 2014-11-17 J. D. Vergados

In this paper we investigate the direct detections of Majorana dark matter (MDM) in vector portal. Taking into account that the tree-level scattering cross sections in these models are either dark matter velocity suppressed or…

High Energy Physics - Phenomenology · Physics 2020-01-08 Wei Chao

The presence of dark matter (DM) is suggested by a wealth of astrophysical and cosmological measurements. However, its underlying nature is yet unknown. Among the most promising candidates are weakly interacting massive particles (WIMPs):…

High Energy Astrophysical Phenomena · Physics 2021-08-25 A. Montanari , E. Moulin , D. Malyshev

The search for weakly-interacting massive particle (WIMP) dark matter is multi-pronged. Ultimately, the WIMP-dark-matter picture will only be confirmed if different classes of experiments see consistent signals and infer the same WIMP…

Cosmology and Nongalactic Astrophysics · Physics 2013-10-29 Annika H. G. Peter , Vera Gluscevic , Anne M. Green , Bradley J. Kavanagh , Samuel K. Lee

A simple extension of the Standard Model consists of a scalar field that can potentially constitute the dark matter (DM). Significant attention has been devoted to probing light $\mathcal{O}(\lesssim 10~\rm{eV})$ scalar DM, with a multitude…

High Energy Physics - Phenomenology · Physics 2020-09-23 Graciela B. Gelmini , Volodymyr Takhistov , Edoardo Vitagliano

In this paper, we investigated the effect of dark matter on the weak deflection angle by black holes at the galactic center. We consider three known dark matter density profiles such as the Cold Dark Matter (CDM), Scalar Field Dark Matter…

General Relativity and Quantum Cosmology · Physics 2022-05-04 Reggie C. Pantig , Ali Övgün

A small fraction of millicharged dark matter (DM) is considered in the literature to give an interpretation about the enhanced 21-cm absorption at the cosmic dawn. Here we focus on the case that the main component of DM is self-interacting…

High Energy Physics - Phenomenology · Physics 2020-03-18 Lian-Bao Jia

Indirect searches for dark matter (DM) have conventionally been applied to the products of DM annihilation or decay. If DM couples to light force carriers, however, it can be captured into bound states via dissipation of energy that may…

High Energy Physics - Phenomenology · Physics 2020-11-11 Iason Baldes , Francesca Calore , Kalliopi Petraki , Vincent Poireau , Nicholas L. Rodd

Dark Matter (DM) may belong to a hidden sector that is only feebly interacting with the Standard Model (SM) and may have never been in thermal equilibrium in the Early Universe. In this case, the observed abundance of dark matter particles…

High Energy Physics - Phenomenology · Physics 2019-02-07 Thomas Hambye , Michel H. G. Tytgat , Jérôme Vandecasteele , Laurent Vanderheyden

The traditional methods of estimating the Dark Matter (DM) mass scale crucially depend on the assumptions about the interaction mechanism between the DM and the Standard Model (SM) sectors, making it challenging to achieve precise mass…

High Energy Physics - Phenomenology · Physics 2025-05-27 Bibhabasu De

Directional detection can provide unambiguous observation of Dark Matter interactions even in presence of insidious backgrounds. The DM-TPC collaboration is developing a detector with the goal of measuring the direction and sense of nuclear…

The rich statistics of galaxy rotations as captured by the velocity function (VF) provides invaluable constraints on galactic baryon physics and the nature of dark matter (DM). However, the comparison of observed galaxy rotations against…

Cosmology and Nongalactic Astrophysics · Physics 2013-08-23 Danail Obreschkow , Xiangcheng Ma , Martin Meyer , Chris Power , Martin Zwaan , Lister Staveley-Smith , Michael J. Drinkwater

Velocity distribution of dark matter is assumed to be isotropic in most cases, however, anisotropy is suggested in some simulations. Directional direct detection of dark matter is a hopeful way to discriminate the anisotropy of dark matter…

Cosmology and Nongalactic Astrophysics · Physics 2020-07-10 Keiko I. Nagao

We study the scattering of Milky Way dark matter (DM) particles by spin-polarised target nuclei within a set of simplified models for fermionic and vector DM where DM interacts with spin 1/2 point-like nuclei through the exchange of a…

High Energy Physics - Phenomenology · Physics 2021-06-11 Riccardo Catena , Kåre Fridell , Vanessa Zema

The observed anti-correlation between the central dark matter (DM) densities of the bright Milky Way (MW) dwarf spheroidal galaxies (dSphs) and their orbital pericenter distances poses a potential signature of self-interacting dark matter…

Astrophysics of Galaxies · Physics 2021-03-03 Camila A. Correa

Simplified models of light new physics provide a convenient benchmark for experimental searches for new physics signatures, including dark matter (DM). However, additional detection modes can arise in less simplified and more realistic…

High Energy Physics - Phenomenology · Physics 2024-08-20 Krzysztof Jodłowski , Leszek Roszkowski , Sebastian Trojanowski

We study signatures of macroscopic dark matter (DM) in current and future gravitational wave (GW) experiments. Transiting DM with a mass of $\sim10^5-10^{15}$ kg that saturates the local DM density can be potentially detectable by GW…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-07 Yufeng Du , Vincent S. H. Lee , Yikun Wang , Kathryn M. Zurek

Following the construction of the general effective theory for dark matter direct detection in 1203.3542, we perform an analysis of the experimental constraints on the full parameter space of elastically scattering dark matter. We review…

High Energy Physics - Phenomenology · Physics 2012-11-14 A. Liam Fitzpatrick , Wick Haxton , Emanuel Katz , Nicholas Lubbers , Yiming Xu

Direct searches for WIMPs are sensitive to physics well below the weak scale. In the absence of light mediators, it is fruitful to apply an Effective Field Theory (EFT) approach accounting only for dark matter (DM) interactions with…

High Energy Physics - Phenomenology · Physics 2015-04-21 Francesco D'Eramo , Massimiliano Procura

In this paper, we use hydrodynamic zoom-in simulations of Milky Way-type haloes to explore using dust as an observational tracer to discriminate between cold and warm dark matter (WDM) universes. Comparing a cold and 3.5 keV WDM particle…

Astrophysics of Galaxies · Physics 2024-10-28 Adam Ussing , Robert Mostoghiu Paun , Darren Croton , Celine Boehm , Alan Duffy , Chris Power