English
Related papers

Related papers: Reviving WIMP dark matter with temperature-depende…

200 papers

Weakly Interacting Massive Particles (WIMPs) are one of the leading candidates for Dark Matter. For understanding the properties of WIMPs and identifying them among new particles produced at colliders (hopefully in the near future),…

High Energy Physics - Phenomenology · Physics 2010-02-17 Manuel Drees , Chung-Lin Shan

Sub-GeV dark matter is an appealing thermal target because it can still be produced via the standard freeze-out mechanism; at such low masses, achieving freeze-out naturally points to the presence of a light mediator, which shifts the most…

High Energy Physics - Phenomenology · Physics 2026-01-15 Tatsuya Aonashi , Shigeki Matsumoto , Yu Watanabe , Yuki Watanabe

We address the question of whether the upcoming generation of dark matter search experiments and colliders will be able to discover if the dark matter in the Universe has two components of weakly interacting massive particles (WIMPs). We…

High Energy Physics - Phenomenology · Physics 2009-12-23 Stefano Profumo , Kris Sigurdson , Lorenzo Ubaldi

We explore models in which weakly interacting massive particle (WIMP) dark matter annihilation is directly responsible for baryogenesis, thereby connecting dark matter with baryogenesis. We call this process "WIMPy baryogenesis". The dark…

High Energy Physics - Phenomenology · Physics 2015-06-03 Yanou Cui , Lisa Randall , Brian Shuve

Weakly interacting massive particles (WIMPs) form a promising solution to the dark matter problem and many experiments are now searching for these particles. Using effective field theories to describe the interaction of the WIMP with the…

High Energy Physics - Phenomenology · Physics 2013-08-22 Daniel Schmeier

In a non-standard cosmological scenario, heavy, long-lived particles, which we call moduli, dominate the energy density prior to Big Bang Nucleosynthesis. Weakly Interacting Massive Particles (WIMPs) may be produced non-thermally from…

High Energy Physics - Phenomenology · Physics 2023-12-13 Amitayus Banik , Manuel Drees

A feebly interacting massive particle (FIMP), contrasting with a weakly interacting massive particle (WIMP), is an intriguing dark matter (DM) candidate. Light (keV-scale) FIMP DM is of particular interest: its radiative decay leaves a line…

High Energy Physics - Phenomenology · Physics 2020-01-31 Ayuki Kamada , Keisuke Yanagi

A weakly interacting massive particle (WIMP) is a leading candidate of the dark matter. The WIMP dark matter abundance is determined by the freeze-out mechanism. Once we know the property of the WIMP particle such as the mass and…

High Energy Physics - Phenomenology · Physics 2020-08-19 Ken'ichi Saikawa , Satoshi Shirai

Dark matter which interacts through a magnetic or electric dipole moment is an interesting possibility which may help to resolve the discrepancy between the DAMA annual modulation signal and the null results of other searches. In this…

High Energy Physics - Phenomenology · Physics 2013-05-30 Jean-François Fortin , Tim M. P. Tait

In direct dark matter detection experiments, conventional elastic scattering of WIMPs results in exponentially falling recoil spectra. In contrast, theories of WIMPs with excited states can lead to nuclear recoil spectra that peak at finite…

High Energy Physics - Phenomenology · Physics 2014-11-20 Rafael F. Lang , Neal Weiner

We consider dark matter (DM) with very weak couplings to the standard model (SM), such that its self-annihilation cross section is much smaller than the canonical one, $\langle\sigma v\rangle_{\chi\chi} \ll…

High Energy Physics - Phenomenology · Physics 2019-04-18 Mathias Garny , Jan Heisig , Marco Hufnagel , Benedikt Lülf , Stefan Vogl

We study simple effective models of fermionic WIMP dark matter, where the dark matter candidate is a mixture of a Standard Model singlet and an n-plet of SU(2) with n >= 3, stabilized by a discrete symmetry. The dark matter mass is assumed…

High Energy Physics - Phenomenology · Physics 2017-10-25 A. Bharucha , F. Brümmer , R. Ruffault

The recent WMAP data have confirmed that exotic dark matter together with the vacuum energy (cosmological constant) dominate in the flat Universe. Thus the direct dark matter search, consisting of detecting the recoiling nucleus, is central…

High Energy Physics - Phenomenology · Physics 2016-09-06 J. D. Vergados , Amand Faessler

Real scalar triplet dark matter, which is known to be an attractive candidate for a thermal WIMP, is comprehensively studied paying particular attention to the Sommerfeld effect on the dark matter annihilation caused by the weak interaction…

High Energy Physics - Phenomenology · Physics 2021-09-29 Taisuke Katayose , Shigeki Matsumoto , Satoshi Shirai , Yu Watanabe

We present a model with dark matter in an anomaly-mediated supersymmetry breaking hidden sector with a U(1)xU(1) gauge symmetry. The symmetries of the model stabilize the dark matter and forbid the introduction of new mass parameters. As a…

High Energy Physics - Phenomenology · Physics 2013-05-30 Jonathan L. Feng , Vikram Rentala , Ze'ev Surujon

We investigate the freeze-in of MeV-scale fermionic dark matter (DM) that couples to the Standard Model via a new vector mediator to assess the potential that future direct detection experiments have to observe new physics in either the DM…

High Energy Physics - Phenomenology · Physics 2026-04-28 David Cerdeño , Patrick Foldenauer , Rafael López Noé , Óscar Zapata

In this talk we present data analysis methods for reconstructing the mass and couplings of Weakly Interacting Massive Particles (WIMPs) by using directly future experimental data (i.e., measured recoil energies) from direct Dark Matter…

High Energy Physics - Phenomenology · Physics 2010-12-21 Manuel Drees , Chung-Lin Shan

We study general freeze-out scenarios where an arbitrary number of initial and final dark matter particles participate in the number-changing freeze-out interaction. We consider a simple sector with two particle species undergoing such a…

High Energy Physics - Phenomenology · Physics 2022-07-27 Pouya Asadi , Tracy R. Slatyer , Juri Smirnov

Strongly interacting massive particle (SIMP) has become one of the promising dark matter (DM) candidates due to its capability of addressing the small-scale anomaly, where the final DM abundance is set via the freeze-out of $3\rightarrow 2$…

High Energy Physics - Phenomenology · Physics 2024-10-08 Debtosh Chowdhury , Sudipta Show