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Macroscopic dark matter (macros) are a broad class of alternative candidates to particle dark matter. These candidates would transfer energy primarily through elastic scattering, and this linear energy deposition would produce observable…

Cosmology and Nongalactic Astrophysics · Physics 2019-12-18 Jagjit Singh Sidhu , Glenn Starkman

Macroscopic dark matter -- "macros"-- refers to a broad class of alternative candidates to particle dark matter with still unprobed regions of parameter space. These candidates would transfer energy primarily through elastic scattering with…

Cosmology and Nongalactic Astrophysics · Physics 2020-04-17 Jagjit Singh Sidhu , Glenn D. Starkman

What if the dark matter-nucleon scattering cross section is too small to be detected by direct detection experiments? It is well known in the literature that some interactions lead to dark matter-nucleon scattering cross sections that can…

High Energy Physics - Phenomenology · Physics 2021-10-19 Tarak Nath Maity , Farinaldo S Queiroz

Certain strongly interacting dark matter candidates could have evaded detection, and much work has been done on constraining their parameter space. Recently, it was shown theoretically that the scattering cross section for $m_\chi \gtrsim…

High Energy Physics - Experiment · Physics 2021-03-11 Christopher V. Cappiello , J. I. Collar , John F. Beacom

Dark matter with mass in the crossover range between wave dark matter and particle dark matter, around $(10^{-3},\, 10^3)\,$eV, remains relatively unexplored by terrestrial experiments. In this mass regime, dark matter scatters coherently…

High Energy Physics - Phenomenology · Physics 2026-03-31 Pengshun Luo , Shigeki Matsumoto , Jie Sheng , Chuan-Yang Xing , Lin Zhu , Zhi-Jie Zhuge

Antimatter macroscopic dark matter (macros) refers to a generic class of antimatter dark matter candidates that interact with ordinary matter primarily through annihilation with large cross-sections. A combination of terrestrial,…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-01 Jagjit Singh Sidhu , Robert J. Scherrer , Glenn Starkman

In a seminal paper now a decade old, it was shown that dark matter detectors geared at probing interactions with nucleons could also be used to probe dark matter interactions with electrons. In this work, we show that new detector concepts…

High Energy Physics - Phenomenology · Physics 2024-12-24 Sinéad M. Griffin , Guy Daniel Hadas , Yonit Hochberg , Katherine Inzani , Benjamin V. Lehmann

Macroscopic dark matter (aka macros) constitutes a broad class of alternatives to particulate dark matter. We calculate the luminosity produced by the passage of a single macro as a function of its physical cross section. A general…

High Energy Astrophysical Phenomena · Physics 2022-11-01 Jagjit Singh Sidhu , Roshan Mammen Abraham , Corbin Covault , Glenn Starkman

Direct detection of dark matter continues to elude scientists' many attempts to see it interact, and still to this day the only way we know it is there is through observed gravitational effects. The many search experiments are at the point…

High Energy Physics - Experiment · Physics 2022-09-29 Nickolas Solomey , Shrey Tripathi

In many cosmologies dark matter clusters on sub-kiloparsec scales and forms compact subhalos, in which the majority of Galactic dark matter could reside. Null results in direct detection experiments since their advent four decades ago could…

High Energy Physics - Phenomenology · Physics 2022-06-22 Joseph Bramante , Bradley J. Kavanagh , Nirmal Raj

We show, by using an extensive sample of viable supersymmetric models as templates, that indirect detection of dark matter through gamma rays may have a large potential for identifying the nature of dark matter. This is in particular true…

High Energy Physics - Phenomenology · Physics 2011-03-23 Lars Bergstrom , Torsten Bringmann , Joakim Edsjo

For dark matter (DM) particles with masses in the 0.6 - 6 m_p range, we set stringent constraints on the interaction cross-sections for scattering with ordinary baryonic matter. These constraints follow from the recognition that such…

Cosmology and Nongalactic Astrophysics · Physics 2018-10-24 David A. Neufeld , Glennys R. Farrar , Christopher F. McKee

Direct and indirect dark matter detection relies on the scattering of the dark matter candidate on nucleons or nuclei. Here, attention is focused on dark matter candidates (neutralinos) predicted in the minimal supersymmetric standard model…

High Energy Physics - Phenomenology · Physics 2014-11-17 John Ellis , Andrew Ferstl , Keith A. Olive

If the cosmic dark matter consists of weakly-interacting massive particles, these particles should be produced in reactions at the next generation of high-energy accelerators. Measurements at these accelerators can then be used to determine…

High Energy Physics - Phenomenology · Physics 2008-11-26 Edward A. Baltz , Marco Battaglia , Michael E. Peskin , Tommer Wizansky

We propose here a set of new methods to directly detect light mass dark matter through its scattering with abundant atmospheric muons or accelerator beams. Firstly, we plan to use the free cosmic-ray muons interacting with dark matter in a…

Dark matter could be composed of macroscopic objects with large masses and geometric cross-sections spanning many decades. We investigate the potential interaction of such `stuff-sized' dark matter by considering its interactions with…

Cosmology and Nongalactic Astrophysics · Physics 2025-08-22 Zachary S. C. Picker

While global cosmological and local galactic abundance of dark matter is well established, its identity, physical size and composition remain a mystery. In this paper, we analyze an important question of dark matter detectability through…

General Relativity and Quantum Cosmology · Physics 2018-10-31 Evan D. Hall , Thomas Callister Valery V. Frolov , Holger Müller , Maxim Pospelov , Rana X Adhikari

A large experimental program is underway to extend the sensitivity of direct detection experiments, searching for interaction of Dark Matter with nuclei, down to the neutrino floor. However, such experiments are becoming increasingly…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-28 Sebastian Baum , Andrzej K. Drukier , Katherine Freese , Maciej Górski , Patrick Stengel

Dark matter is a vital component of the current best model of our universe, $\Lambda$CDM. There are leading candidates for what the dark matter could be (e.g. weakly-interacting massive particles, or axions), but no compelling observational…

Cosmology and Nongalactic Astrophysics · Physics 2015-07-06 David M. Jacobs , Glenn D. Starkman , Bryan W. Lynn

Sub-MeV cold dark-matter particles are unable to produce electronic recoil in conventional dark-matter direct detection experiments such as XENONnT and LUX-ZEPLIN above the detector threshold. The mechanism of boosted dark matter comes into…

High Energy Physics - Phenomenology · Physics 2024-08-08 Atanu Guha , Jong-Chul Park
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