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We use the latest measurements of the Milky Way satellite population from the Dark Energy Survey and Pan-STARRS1 to infer the most stringent astrophysical bound to date on velocity-dependent interactions between dark matter particles and…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-10 Karime Maamari , Vera Gluscevic , Kimberly K. Boddy , Ethan O. Nadler , Risa H. Wechsler

The main aim of this paper is to provide cosmological constraints on the Multi Scalar Field Dark Matter model (MSFDM), in which we assume the dark matter is made up of different ultra-light scalar fields. As a first approximation, we…

Cosmology and Nongalactic Astrophysics · Physics 2022-12-05 L. O. Téllez-Tovar , Tonatiuh Matos , J. Alberto Vázquez

We use diffuse Galactic high energy gamma ray data from LHAASO and Fermi-LAT to constrain gravitationally produced decaying dark matter (DM). Focusing on four benchmark candidates: a dark photon, a heavy right-handed neutrino (RHN), a…

High Energy Physics - Phenomenology · Physics 2025-12-12 Basabendu Barman , Arindam Das , Prantik Sarmah , Rakesh Kumar SivaKumar

Cosmic rays interacting with the atmosphere allow for the probing of fundamental interactions at ultra-high energies. We thus obtain limits on strongly coupled new physics models via their imprints on cosmic-ray air showers. Using the Monte…

High Energy Physics - Phenomenology · Physics 2019-11-11 Peter Schichtel , Michael Spannowsky , Philip Waite

We propose a novel and feasible method to detect dark matter (DM) electron interaction via pulsating white dwarfs (WDs) in the central region of globular clusters. Annihilation of the DM particles captured by those WDs can provide…

High Energy Astrophysical Phenomena · Physics 2017-03-30 Jia-Shu Niu , Weikai Zong , Hui-Fang Xue

In the late Universe, and on cosmological scales, dark matter is conventionally assumed to be collisionless, as a consequence of the strong existing bounds on dark matter interactions at the Cosmic Microwave Background last-scattering…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-11 Eugenia Dallari , Francesco Castagna , Emanuele Castorina , Maria Archidiacono , Ennio Salvioni

Traditional dark matter models, eg. WIMPs, assume dark matter is weakly coupled to the standard model so that elastic scattering between dark matter and baryons can be described perturbatively by Born approximation. Most direct detection…

High Energy Physics - Phenomenology · Physics 2021-12-03 Xingchen Xu , Glennys R. Farrar

We study the impact on the trajectory of high-energy cosmic-ray protons of scattering off the cosmic dark matter. We compute the scattering angle as a function of the cosmic-ray energy, of the dark matter mass, and of the interaction…

High Energy Astrophysical Phenomena · Physics 2024-09-26 Stefano Profumo , M. Grant Roberts , Shashank Dharanibalan

We showcase cosmology's ability to constrain long-range forces between dark matter particles. Specifically, we consider a fermionic dark matter interacting via a Yukawa-coupled light scalar, focusing on regimes where the dark forces are…

High Energy Physics - Phenomenology · Physics 2025-11-14 Peter W. Graham , Harikrishnan Ramani , Olivier Simon , Erwin H. Tanin

Dark matter search strategies have started advancing towards the neutrino fog. In this regard, compact objects such as neutron stars have already demonstrated their ability in probing such low DM-nucleon cross-sections from dark matter…

High Energy Physics - Phenomenology · Physics 2026-04-24 Sambo Sarkar

Due to their extreme density and low temperature, neutron stars (NS) are efficient probes to unveil interactions between standard model and dark matter (DM) particles. From elastic scatterings on NS material, DM can get gravitationally…

High Energy Physics - Phenomenology · Physics 2019-05-28 Raghuveer Garani , Yoann Genolini , Thomas Hambye

Above a critical dark matter-nucleus scattering cross section any terrestrial direct detection experiment loses sensitivity to dark matter, since the Earth crust, atmosphere, and potential shielding layers start to block off the dark matter…

High Energy Physics - Phenomenology · Physics 2018-07-19 Timon Emken , Chris Kouvaris

Owing to the renewed interest in dark matter after the upgrade of the large hadron collider and its dedication to dark matter research it is timely to reassess the whole problem. Considering dark matter is one way to reconcile the…

Astrophysics of Galaxies · Physics 2018-02-06 Werner A. Hofer

To constrain the properties of dark matter (DM) that interacts with nucleons, we have conducted an experimental search for any anomalous heating of ordinary baryonic matter at 77 K. Our tabletop experiment is motivated by the possibility…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-29 David A. Neufeld , Daniel J. Brach-Neufeld

Any astrophysical object can, in principle, serve as a probe of the interaction between Dark Matter and regular, baryonic matter. This method is based on the potential observable consequences annihilations of captured Dark Matter has on the…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-13 Cosmin Ilie

We consider the cosmological constraints on theories in which there exists a nontrivial coupling between the dark matter sector and the sector responsible for the acceleration of the universe, in light of the most recent supernovae, large…

Astrophysics · Physics 2008-12-30 Rachel Bean , Eanna E. Flanagan , Istvan Laszlo , Mark Trodden

We present the first cosmological constraint on dark matter scattering with protons in the early Universe for the entire range of dark matter masses between 1 keV and 1 TeV. This constraint is derived from the Planck measurements of the…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-05 Vera Gluscevic , Kimberly K. Boddy

For any realistic halo profile, the Galactic Center is predicted to be the brightest source of gamma-rays from dark matter annihilations. Due in large part to uncertainties associated with the dark matter distribution and astrophysical…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Dan Hooper , Chris Kelso , Farinaldo S. Queiroz

We analyze a universe filled with interacting dark matter, a scalar field accommodated as dark radiation along with dark energy plus a decoupled radiation term within the framework of spatially flat Friedmann-Robertson-Walker (FRW)…

General Relativity and Quantum Cosmology · Physics 2013-08-06 Luis P. Chimento , Martín G. Richarte

We consider three cosmological models with linear interaction between the dark components and obtain restrictions on the coupling constant in terms of the cosmographic parameters. It enables us to find constraints on the coupling constant…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-27 Yu. L. Bolotin , V. A. Cherkaskiy , O. A. Lemets