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The search for a dark photon produced at $e^{+}e^{-}$ colliders which subsequently decays into inelastic dark matter particles, is discussed. The heavier dark matter decays into a pair of visible charged particles and a lighter dark matter…

High Energy Physics - Phenomenology · Physics 2021-01-28 Xin Chen , Zhen Hu , Yongcheng Wu , Kai Yi

Cosmic ray (CR) upscattering of dark matter is considered as one of the most straightforward mechanisms to accelerate ambient dark matter, making it detectable at high threshold, large volume experiments. In this work, we revisit CR…

High Energy Physics - Phenomenology · Physics 2024-05-02 Christopher Cappiello , Qinrui Liu , Gopolang Mohlabeng , Aaron C. Vincent

The search for direct interactions of dark matter particles remains one of the most pressing challenges of contemporary experimental physics. A variety of different approaches is required to probe the available parameter space and to meet…

Instrumentation and Methods for Astrophysics · Physics 2009-10-19 Rafael F. Lang , Wolfgang Seidel

We study the solar capture rate of inelastic dark matter with endothermic and/or exothermic interactions. By assuming that an inelastic dark matter signal will be observed in next generation direct detection experiments we can set a lower…

High Energy Physics - Phenomenology · Physics 2016-04-20 Mattias Blennow , Stefan Clementz , Juan Herrero-Garcia

The elastic nuclear recoil signal, being under intense scrutiny by multiple underground experiments, can be interpreted either as coming from the interaction of nuclei with WIMP dark matter or from the scattering of new species of…

High Energy Physics - Phenomenology · Physics 2014-03-26 Maxim Pospelov , Josef Pradler

Recent cosmological measurements favour additional relativistic energy density beyond the one provided by the three active neutrinos and photons of the Standard Model (SM). This is often referred to as "dark radiation", suggesting the need…

High Energy Physics - Phenomenology · Physics 2015-06-12 M. C. Gonzalez-Garcia , V. Niro , Jordi Salvado

Cosmic acceleration is widely believed to require either a source of negative pressure (i.e., dark energy), or a modification of gravity, which necessarily implies new degrees of freedom beyond those of Einstein gravity. In this paper we…

High Energy Physics - Theory · Physics 2017-06-28 Lasha Berezhiani , Justin Khoury , Junpu Wang

Dark matter (DM) is a new type of invisible matter introduced to explain various features of recent astrophysical observations, including galaxy rotation curves and other fundamental characteristics of our universe. DM may couple to…

High Energy Physics - Experiment · Physics 2025-06-24 Vindhyawasini Prasad

Dark matter and neutrinos provide the two most compelling pieces of evidence for new physics beyond the Standard Model of Particle Physics but they are often treated as two different sectors. The aim of this paper is to determine whether…

High Energy Physics - Phenomenology · Physics 2018-05-09 Andres Olivares-Del Campo , Celine Boehm , Sergio Palomares-Ruiz , Silvia Pascoli

The nonbaryonic dark matter of the Universe can consist of new stable charged particles, bound in heavy "atoms" by ordinary Coulomb interaction. If stable particles $O^{--}$ with charge -2 are in excess over their antiparticles (with charge…

High Energy Physics - Phenomenology · Physics 2011-11-16 Maxim Yu. Khlopov , Andrey G. Mayorov , Evgeny Yu. Soldatov

The search for dark matter has been performed mainly for weakly interacting massive particles and massive compact halo objects, and the intermediate mass region has not been investigated experimentally. A method to search dark matter with…

Instrumentation and Detectors · Physics 2019-01-23 Akio Kawasaki

In this work, we explore the potential of probing the inelastic dark matter (DM) model with an extra U(1)D gauge symmetry at the Large Hadron Collider, ForwArd Search ExpeRiment and Super Tau Charm Factory. To saturate the observed DM relic…

High Energy Physics - Phenomenology · Physics 2024-07-04 Chih-Ting Lu , Jianfeng Tu , Lei Wu

Peaking consistently in June for nearly eleven years, the annual modulation signal reported by DAMA/NaI and DAMA/LIBRA offers strong evidence for the identity of dark matter. DAMA's signal strongly suggest that dark matter inelastically…

High Energy Physics - Phenomenology · Physics 2015-03-13 Daniele S. M. Alves , Siavosh R. Behbahani , Philip Schuster , Jay G. Wacker

The inability of standard non-interacting cold dark matter (CDM) to account for the small scale structure of individual galaxies has led to the suggestion that the dark matter may undergo elastic and/or inelastic scattering. We simulate the…

Astrophysics · Physics 2009-11-06 Matthew W. Craig , Marc Davis

The transition magnetic moment of a sterile-to-active neutrino conversion gives rise to not only radiative decay of a sterile neutrino, but also its non-standard interaction (NSI) with matter. For sterile neutrinos of keV-mass as dark…

High Energy Physics - Phenomenology · Physics 2016-05-25 Jiunn-Wei Chen , Hsin-Chang Chi , Shin-Ted Lin , C. -P. Liu , Lakhwinder Singh , Henry T. Wong , Chih-Liang Wu , Chih-Pan Wu

We revisit the WIMP-type dark matter scattering on electrons that results in atomic ionization, and can manifest itself in a variety of existing direct-detection experiments. Unlike the WIMP-nucleon scattering, where current experiments…

High Energy Physics - Phenomenology · Physics 2016-07-01 B. M. Roberts , V. A. Dzuba , V. V. Flambaum , M. Pospelov , Y. V. Stadnik

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 2010-11-23 Maxim Yu. Khlopov , Andrey G. Mayorov , Evgeny Yu. Soldatov

Direct searches for Dark Matter (DM) are continuously improving, probing down to lower and lower DM-nucleon interaction cross sections. For strongly-interacting massive particle (SIMP) Dark Matter, however, the accessible cross section is…

High Energy Physics - Phenomenology · Physics 2018-07-03 Bradley J. Kavanagh

The majority of the matter in the universe is still unidentified and under investigation by both direct and indirect means. Many experiments searching for the recoil of dark-matter particles off target nuclei in underground laboratories…

High Energy Physics - Phenomenology · Physics 2015-10-28 Michael Klasen , Martin Pohl , Günter Sigl

In this paper we do three things. First, we outline the conditions under which the interaction rate of inelastic processes that change the internal state of a system of $N$ targets scales as $N^2$. This is an effect distinct from coherent…

High Energy Physics - Phenomenology · Physics 2024-11-06 Asimina Arvanitaki , Savas Dimopoulos , Marios Galanis
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