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The nonbaryonic dark matter of the Universe is assumed to consist of new stable forms of matter. Their stability reflects symmetry of micro world and particle candidates for cosmological dark matter are the lightest particles that bear new…

High Energy Physics - Phenomenology · Physics 2015-06-18 M. Yu. Khlopov

Dark matter particles gravitationally trapped inside the Sun may annihilate into Standard Model particles, producing a flux of neutrinos. The prospects of detecting these neutrinos in future multi-\kton{} neutrino detectors designed for…

High Energy Physics - Phenomenology · Physics 2015-03-19 Sanjib K. Agarwalla , Mattias Blennow , Enrique Fernandez Martinez , Olga Mena

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

Dark matter (DM) may be captured around a neutron star (NS) through DM-nucleon interactions. We observe that the enhancement of such capturing is particularly significant when the DM velocity and/or momentum transfer depend on the…

High Energy Physics - Phenomenology · Physics 2024-04-11 Chih-Ting Lu , Arvind Kumar Mishra , Lei Wu

The indirect detection of dark matter annihilation and decay using observations of photons, charged cosmic rays, and neutrinos offers a promising means of identifying the particle nature of this elusive component of the universe. The last…

High Energy Astrophysical Phenomena · Physics 2016-11-23 Jennifer M. Gaskins

The nonbaryonic dark matter of the Universe is assumed to consist of new stable particles. A specific case is possible, when new stable particles bear ordinary electric charge and bind in heavy "atoms" by ordinary Coulomb interaction. Such…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-17 Maxim Yu. Khlopov , Andrey G. Mayorov , Evgeny Yu. Soldatov

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

Antideuterons and antihelium nuclei in the cosmic-ray spectrum have long been considered a smoking gun signature of dark matter annihilation, making the tentative observation of several such events by AMS highly intriguing. Conventional…

High Energy Physics - Phenomenology · Physics 2026-03-16 Caleb Gemmell , Dan Hooper , Seth Koren , Fabrizio Vassallo

In this review, we discuss the role of the various experimental programs taking part in the broader effort to identify the particle nature of dark matter. In particular, we focus on electroweak scale dark matter particles and discuss a wide…

High Energy Physics - Phenomenology · Physics 2008-11-26 Dan Hooper , Edward A. Baltz

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

Signatures of dark matter in celestial objects have become of increasing interest due to their powerful detection prospects. To test any of these signatures, the fundamental quantity needed is the rate in which dark matter is captured by…

High Energy Physics - Phenomenology · Physics 2023-09-06 Rebecca K. Leane , Juri Smirnov

Particle physics candidates for cosmological dark matter are usually considered as neutral and weakly interacting. However stable charged leptons and quarks can also exist and, hidden in elusive atoms, play the role of dark matter. The…

Astrophysics · Physics 2008-01-03 M. Yu. Khlopov

We present a brief overview of recently proposed detection schemes for axion, axion-like pseudoscalar particle and topological defect dark matter. We focus mainly on the possibility of using atomic and molecular systems for dark matter…

High Energy Physics - Phenomenology · Physics 2014-11-26 Yevgeny V. Stadnik , Victor V. Flambaum

A new dynamic is identified between dark matter and nuclei. Nuclei accelerated to MeV energies by the internal potential of composite dark matter can undergo nuclear fusion. This effect arises in simple models of composite dark matter made…

High Energy Physics - Phenomenology · Physics 2022-01-25 Javier F. Acevedo , Joseph Bramante , Alan Goodman

It is proposed that dark matter could consist of compressed collections of atoms (or metallic matter) encapsulated into, for example, 20 cm big pieces of a different phase. The idea is based on the assumption that there exists at least one…

Astrophysics · Physics 2009-11-16 C. D. Froggatt , H. B. Nielsen

We studied the rate at which stars capture dark matter (DM) particles, considering different assumptions regarding the DM characteristics and in particular investigating how the stellar physics influences the capture rate. Two scenarios…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-18 Ilídio Lopes , Jordi Casanellas , Daniel Eugénio

Dark matter has been recognized as an essential part of matter for over 70 years now, and many suggestions have been made, what it could be. Most of these ideas have centered on Cold Dark Matter, particles that are expected in extensions of…

Astrophysics · Physics 2009-11-13 Peter L. Biermann , Faustin Munyaneza

A recent proposal suggests that experimental discrepancies on the lifetime of neutrons can be resolved if neutrons decay to dark matter. At the same time it has been demonstrated that such a decay mode would soften the nuclear equation of…

High Energy Physics - Phenomenology · Physics 2019-09-04 Benjamin Grinstein , Chris Kouvaris , Niklas Grønlund Nielsen

We study the formation and properties of dark neutron stars in a scenario where dark matter is made up of (heavy) dark baryons in a sequestered copy of the MSSM. This scenario naturally explains the coincidence of baryonic and dark matter…

High Energy Physics - Phenomenology · Physics 2025-11-05 Jacob A. Litterer , João G. Rosa

We show how to produce antideuteron, antihelium, and other antinuclei in large fractions from the decays of a new particle $\phi$ that carries baryon number. Close to threshold, the production of nuclear bound states is preferred over the…

High Energy Physics - Phenomenology · Physics 2020-09-10 Julian Heeck , Arvind Rajaraman