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Self-interacting dark matter may have striking astrophysical signatures, such as observable offsets between galaxies and dark matter in merging galaxy clusters. Numerical N-body simulations used to predict such observables typically treat…

Cosmology and Nongalactic Astrophysics · Physics 2020-09-14 Janis Kummer , Felix Kahlhoefer , Kai Schmidt-Hoberg

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

The non-relativistic effective theory of dark matter-nucleon interactions depends on 28 coupling strengths for dark matter spin up to 1/2. Due to the vast parameter space of the effective theory, most experiments searching for dark matter…

High Energy Physics - Phenomenology · Physics 2022-06-29 Anja Brenner , Gonzalo Herrera , Alejandro Ibarra , Sunghyun Kang , Stefano Scopel , Gaurav Tomar

Discrete symmetries played a central role in elucidating the structure of the weak interactions, and they will probably be equally crucial regarding the interactions of the dark matter (DM) particle -- whose nature remains elusive. In this…

High Energy Physics - Phenomenology · Physics 2021-05-19 Riccardo Catena , Joakim Hagel , Carlos E. Yaguna

Dark matter (DM) self-interactions have been proposed to solve problems on small length scales within the standard cold DM cosmology. Here, we investigate the effects of DM self-interactions in merging systems of galaxies and galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2022-01-19 Moritz S. Fischer , Marcus Brüggen , Kai Schmidt-Hoberg , Klaus Dolag , Antonio Ragagnin , Andrew Robertson

We consider the impact of relaxing some typical assumptions about dark matter interactions, including isospin-invariance, elastic scattering and contact interactions. We show that detection strategies with neutrino detectors, gamma-ray…

High Energy Physics - Phenomenology · Physics 2015-06-11 Jason Kumar

The dark matter direct detection rates are highly correlated with the phase space distribution of dark matter particles in our galactic neighbourhood. In this paper, we make a systematic study of the impact of astrophysical uncertainties on…

High Energy Physics - Phenomenology · Physics 2021-11-16 Tarak Nath Maity , Tirtha Sankar Ray , Sambo Sarkar

The landscape of dark matter direct detection has been profoundly altered by the slew of recent experiments. While some have claimed signals consistent with dark matter, others have seen few, if any, events consistent with dark matter. The…

High Energy Physics - Phenomenology · Physics 2014-05-28 Patrick J. Fox , Gabriel Jung , Peter Sorensen , Neal Weiner

Dark matter (DM)-electron scattering is a prime target of a number of direct DM detection experiments and constitutes a promising avenue for exploring interactions of DM in the sub-GeV mass-range, challenging to probe with nuclear recoils.…

High Energy Physics - Phenomenology · Physics 2023-05-17 Muping Chen , Graciela B. Gelmini , Volodymyr Takhistov

We present halo-independent methods to analyze the results of dark matter direct detection experiments assuming inelastic scattering. We focus on the annual modulation signal reported by DAMA/LIBRA and present three different…

High Energy Physics - Phenomenology · Physics 2015-06-15 Nassim Bozorgnia , Juan Herrero-Garcia , Thomas Schwetz , Jure Zupan

At a level too faint for astronomy, particle dark matter may interact with Standard Model states via the photon. We derive limits from direct detection experiments on photon-mediated nuclear interactions up to operator dimension-6, viz.,…

High Energy Physics - Phenomenology · Physics 2025-09-30 Jason Kumar , Biprajit Mondal , Girish Muralidhara , Nirmal Raj

For nearly 40 years, dark matter has been widely assumed to be cold and collisionless. Cold dark matter models make fundamental predictions for the behavior of dark matter on small (<10 kpc) scales. These predictions include cuspy density…

In this Letter we explore the direct detection of the dark matter in the universe, assuming the dark matter particles are degenerate in mass with new colored particles below TeV scale. The scenario with such a mass spectrum is difficult to…

High Energy Physics - Phenomenology · Physics 2011-12-22 Junji Hisano , Koji Ishiwata , Natsumi Nagata

The next generation of large scale WIMP direct detection experiments have the potential to go beyond the discovery phase and reveal detailed information about both the particle physics and astrophysics of dark matter. We report here on…

Cosmology and Nongalactic Astrophysics · Physics 2014-02-05 Jayden L. Newstead , Thomas D. Jacques , Lawrence M. Krauss , James B. Dent , Francesc Ferrer

Various laboratory-based experiments are underway attempting to detect dark matter directly. The event rates and detailed signals expected in these experiments depend on the dark matter phase space distribution on sub-milliparsec scales.…

Astrophysics · Physics 2011-08-31 Daniele S. M. Fantin , Michael R. Merrifield , Anne M. Green

Dark matter (DM) self-interactions have important implications for the formation and evolution of structure, from dwarf galaxies to clusters of galaxies. We study the dynamics of self-interacting DM via a light mediator, focusing on the…

High Energy Physics - Phenomenology · Physics 2013-06-12 Sean Tulin , Hai-Bo Yu , Kathryn M. Zurek

I compare the non-relativistic effective theory of one-body dark matter-nucleon interactions to current dark matter direct detection experiments and neutrino telescope observations, presenting exclusion limits on the coupling constants of…

High Energy Physics - Phenomenology · Physics 2016-06-22 Riccardo Catena

A convincing identification of dark matter (DM) particles can probably be achieved only through a combined analysis of different detections strategies, which provides an effective way of removing degeneracies in the parameter space of DM…

High Energy Astrophysical Phenomena · Physics 2014-11-21 Pasquale D. Serpico , Gianfranco Bertone

We propose a method that allows to place an upper limit on the dark matter elastic scattering cross section with nucleons which is independent of the velocity distribution. Our approach combines null results from direct detection…

High Energy Physics - Phenomenology · Physics 2015-09-30 Francesc Ferrer , Alejandro Ibarra , Sebastian Wild

Although various pieces of indirect evidence about the nature of dark matter have been collected, its direct detection has eluded experimental searches despite extensive effort. If the mass of dark matter is below 1 MeV, it is essentially…

Quantum Physics · Physics 2013-12-16 C. Jess Riedel