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Dark matter could be made up of dark photons, massive but very light particles whose interactions with matter resemble those of usual photons but suppressed by a small mixing parameter. We analyze the main approaches to dark photon…

High Energy Physics - Phenomenology · Physics 2019-09-13 C. Álvarez-Luna , J. A. R. Cembranos

Results are presented from a search for particle dark matter (DM), extra dimensions, and unparticles using events containing a jet and an imbalance in transverse momentum. The data were collected by the CMS detector in proton-proton…

High Energy Physics - Experiment · Physics 2015-08-03 CMS Collaboration

Mass bounds on dark matter (DM) candidates are obtained for particles decoupling in or out of equilibrium with {\bf arbitrary} isotropic and homogeneous distribution functions. A coarse grained Liouville invariant primordial phase space…

Astrophysics · Physics 2008-11-26 D. Boyanovsky , H. J. de Vega , N. Sanchez

Ultralight dark matter (UDM) may manifest itself through oscillating fundamental constants of normal matter. These can be experimentally searched for by implementing two dissimilar oscillators producing a beat between their frequencies and…

High Energy Physics - Phenomenology · Physics 2025-02-27 René Oswald , Victor Vogt , Stephan Schiller

The distribution of matter fluctuations in our universe is key for understanding the nature of dark matter and the physics of the early cosmos. Different observables have been able to map this distribution at large scales, corresponding to…

Cosmology and Nongalactic Astrophysics · Physics 2020-04-01 Julian B. Muñoz , Cora Dvorkin , Francis-Yan Cyr-Racine

A search for dark matter particles is performed using events with a pair of W bosons and large missing transverse momentum. Candidate events are selected by requiring one or two leptons ($\ell =$ electrons or muons). The analysis is based…

High Energy Physics - Experiment · Physics 2024-03-27 CMS Collaboration

If dark matter consists of hidden-sector photons which kinetically mix with regular photons, a tiny oscillating electric-field component is present wherever we have dark matter. In the surface of conducting materials this induces a small…

A model of dark matter (DM) that communicates with the Standard Model (SM) exclusively through suppressed dimension five operator is discussed. The SM is augmented with a symmetry $U(1)_X \otimes Z_2$, where $U(1)_X$ is gauged and broken…

High Energy Physics - Phenomenology · Physics 2021-02-03 Basabendu Barman , Subhaditya Bhattacharya , Bohdan Grzadkowski

Results are reported from a search for a class of composite dark matter models with feeble, long-range interactions with normal matter. We search for impulses arising from passing dark matter particles by monitoring the mechanical motion of…

High Energy Physics - Experiment · Physics 2020-11-03 Fernando Monteiro , Gadi Afek , Daniel Carney , Gordan Krnjaic , Jiaxiang Wang , David C. Moore

The origin of non-baryonic Dark Matter remains elusive despite ongoing sensitive searches for heavy, thermally produced dark matter particles. Recently, it has been shown, that non-thermally produced vector bosons (sometimes called hidden…

High Energy Physics - Experiment · Physics 2019-10-09 Le Hoang Nguyen , Andrei Lobanov , Dieter Horns

Dark matter constitutes $26\%$ of the total energy in our universe, but its nature remains elusive. Among the assortment of viable dark matter candidates, particles and fields with masses lighter than $40 \mathrm{eV}$, called ultralight…

High Energy Physics - Phenomenology · Physics 2024-01-02 Hong-Yi Zhang

Ultra-light hidden-photon dark matter produces an oscillating electric field in the early Universe plasma, which in turn induces an electric current in its ionized component whose dissipation results in heat transfer from the dark matter to…

Cosmology and Nongalactic Astrophysics · Physics 2019-06-19 Ely D. Kovetz , Ilias Cholis , David E. Kaplan

Non-relativistic QCD axions or axion-like particles are among the most popular candidates for cold Dark Matter (DM) in the universe. We proposed to detect axion-like DM, using linearly polarized pulsar light as a probe. Because of…

Cosmology and Nongalactic Astrophysics · Physics 2020-03-18 Tao Liu , George Smoot , Yue Zhao

We propose to search for (ultra)-light scalar dark matter (DM) using synchrotron radiation based M\"ossbauer spectroscopy technique. Such DM induces temporal variation in various fundamental constants, which in turn causes time modulation…

High Energy Physics - Phenomenology · Physics 2024-08-12 Abhishek Banerjee

We report on a search for ultra-low-mass axion-like dark matter by analysing the ratio of the spin-precession frequencies of stored ultracold neutrons and $^{199}$Hg atoms for an axion-induced oscillating electric dipole moment of the…

High Energy Physics - Experiment · Physics 2018-05-28 N. J. Ayres

In this work, we consider the burst signal of the dark photon, the hypothetical vector boson of the $U(1)_B$ or $U(1)_{B-L}$ gauge group, generated by a compact binary star system. The absence of the signal in the laser interferometer puts…

High Energy Physics - Phenomenology · Physics 2022-03-16 Shaoqi Hou , Shuxun Tian , Shuo Cao , Zong-Hong Zhu

Dark matter remains one of the most profound and unresolved mysteries in modern physics. To unravel its nature, numerous haloscope experiments have been implemented across various mass ranges. However, very few haloscope experiments…

Cosmology and Nongalactic Astrophysics · Physics 2026-02-04 Guoqing Wei , Diguang Wu , Runqi Kang , Qingning Jiang , Man Jiao , Xing Rong , Jiangfeng Du

We explore the potential of the $e^+ e^-$ colliders to discover dark matter and determine its properties such as mass and the spin. For this purpose we study spin zero and spin one-half cases of dark matter, $D$ which belongs to $SU(2)$…

High Energy Physics - Phenomenology · Physics 2022-08-31 Alexander Belyaev , Arran Freegard , Ilya F. Ginzburg , Daniel Locke , Alexander Pukhov

In fuzzy dark matter (FDM) cosmologies, the dark matter consists of ultralight bosons ($m\lesssim10^{-20}$ eV). The astrophysically large de Broglie wavelengths of such particles hinder the formation of low-mass dark matter halos. This…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-20 Jackson Sipple , Adam Lidz , Daniel Grin , Guochao Sun

If dark matter is ultra-light and has certain Standard Model interactions, it can change the mass-radius relation of white dwarf stars. The coherence length of ultra-light dark matter imparts spatial correlations in deviations from the…

Solar and Stellar Astrophysics · Physics 2025-10-02 Nicole R. Crumpler , Nadia L. Zakamska , Gautham Adamane Pallathadka , Kareem El-Badry