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Exotic dark matter together with the vacuum energy (associated with the cosmological constant) seem to dominate in the Universe. Thus its direct detection is central to particle physics and cosmology. Supersymmetry provides a natural dark…

Astrophysics · Physics 2009-11-07 J. D. Vergados

The semi-inclusive deep inelastic scattering of electrons off the deuteron ($^2H \equiv D$) and $^3He$ with detection of slow protons and deuterons, respectively, i.e. the processes $D(e,e'p)X$ and $^3He(e,e'D)X$, are calculated within the…

Nuclear Theory · Physics 2011-05-05 C. Ciofi degli Atti , L. P. Kaptari

We investigate a possibility of neutralino dark matter (DM) direct detection in the future electron accelerators. That is counting of high p_T electron recoil events by neutralinos in halo. If selectron and neutralino masses would be…

High Energy Physics - Phenomenology · Physics 2007-05-23 Junji Hisano , Minoru Nagai , Mihoko M. Nojiri , Masato Senami

Identifying the true theory of dark matter depends crucially on accurately characterizing interactions of dark matter (DM) with other species. In the context of DM direct detection, we present a study of the prospects for correctly…

High Energy Physics - Phenomenology · Physics 2016-01-13 Vera Gluscevic , Moira I. Gresham , Samuel D. McDermott , Annika H. G. Peter , Kathryn M. Zurek

In most direct detection experiments, the free nuclear recoil description of dark matter scattering breaks down for masses $\lesssim$ 100 MeV, or when the recoil energy is comparable to a few times the typical phonon energy. For dark matter…

High Energy Physics - Phenomenology · Physics 2023-08-28 Brian Campbell-Deem , Simon Knapen , Tongyan Lin , Ethan Villarama

Even if dark matter particles are unambiguously discovered in experiments, there is no clear reason to expect that the dark matter problem has been solved. It is very easy to provide examples of dark matter scenarios (e.g. in supersymmetric…

Astrophysics · Physics 2011-09-13 Jacob L. Bourjaily

Electron-electron interactions play a critical role in many condensed matter phenomena, and it is tempting to find a way to control them by changing the interactions' strength. One possible approach is to place a studied system in proximity…

Dark matter candidates with electromagnetic dipole moments can arise as dark baryons in gauge-mediated or technicolor models. These dark matter candidates interact with nuclei in direct detection experiments mainly through magnetic and/or…

High Energy Physics - Phenomenology · Physics 2010-08-04 Tom Banks , Jean-François Fortin , Scott Thomas

For many years annually modulating $\sim$ keV scintillations have been observed in the DAMA/NaI and DAMA/Libra experiments. A dark matter - electron scattering interpretation is now favoured given the stringent constraints on nuclear recoil…

High Energy Physics - Phenomenology · Physics 2016-07-01 R. Foot

The observable signal of higher-spin particles is rare in current particle collider experiments. In the meantime, there have no evident constraints on the spin of the dark matter particles. And thereby it is natural to consider the…

High Energy Physics - Phenomenology · Physics 2022-03-28 Ke-yun Wu , Acckin Lee

It is well-known that stars have the potential to be excellent dark matter detectors. Infalling dark matter that scatters within stars could lead to a range of observational signatures, including stellar heating, black hole formation, and…

High Energy Physics - Phenomenology · Physics 2022-05-18 William DeRocco , Marios Galanis , Robert Lasenby

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

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

Even though the sensitivity of direct dark matter search experiments reach the level about $10^{-45}~{\rm cm}^2$, there is no confident signal of dark matter been observed. We point out that, if dark matter is a vector boson, the null…

High Energy Physics - Phenomenology · Physics 2018-05-09 Chuan-Ren Chen , Yu-Kuang Chu , Ho-Chin Tsai

Axion-like particles are a well-motivated candidate for ultralight dark matter. Because dark matter must be non-relativistic, the effects of its scattering with Standard Model particles are negligible and generally go unnoticed. However,…

High Energy Physics - Phenomenology · Physics 2024-12-20 Jason L. Evans

We propose a spectral decomposition to systematically extract information of dark matter at hadron colliders. The differential cross section of events with missing transverse energy (MET) can be expressed by a linear combination of basis…

High Energy Physics - Phenomenology · Physics 2018-01-08 Kyu Jung Bae , Tae Hyun Jung , Myeonghun Park

In this work, we propose a novel scenario to probe the interactions between dark matter (DM) particles and electrons, via hydrogen-atmosphere pulsating white dwarfs (DAVs) in globular clusters. In this special configuration, the DM…

High Energy Astrophysical Phenomena · Physics 2018-12-05 Jia-Shu Niu , Tianjun Li , Weikai Zong , Hui-Fang Xue , Yang Wang

We propose and study theoretically a new mechanism of electron-impurity scattering in doped seminconductors with large dielectric constant. It is based upon the idea of \textit{vector} character of deformations caused in the crystalline…

Mesoscale and Nanoscale Physics · Physics 2022-09-26 Khachatur G. Nazaryan , Mikhail Feigel'man

Dark matter direct detection experiments are designed to look for the scattering of dark matter particles that are assumed to move with virial velocities $\sim 10^{-3}$. At these velocities, the energy deposition in the detector is large…

High Energy Physics - Phenomenology · Physics 2022-08-12 Julien Billard , Matt Pyle , Surjeet Rajendran , Harikrishnan Ramani

The mass of the dark matter particle is unknown, and may be as low as ~$10^{-22}$ eV. The lighter part of this range, below ~eV, is relatively unexplored both theoretically and experimentally but contains an array of natural dark matter…

High Energy Physics - Phenomenology · Physics 2016-04-27 Peter W. Graham , David E. Kaplan , Jeremy Mardon , Surjeet Rajendran , William A. Terrano