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Weakly interacting massive particles (WIMPs) are a viable candidate for the relic abundance of dark matter (DM) produced in the early universe. So far WIMPs have eluded direct detection through interactions with baryonic matter. Neutrino…

Astrophysics · Physics 2009-11-13 Zacharia Myers , Adi Nusser

In this thesis, we investigate various possibilities of Weakly Interacting Massive Particle (WIMP) dark matter (DM) and their implications. These possibilities are important because they challenge the viability of WIMP DM in light of tight…

High Energy Physics - Phenomenology · Physics 2024-03-04 Shivam Gola

In the framework of the Inert Doublet Model and extensions, the signature of neutrinos from dark matter annihilation in the Earth, the Sun and at the Galactic centre is presented. The model contains an extra Higgs doublet, a neutral…

High Energy Physics - Phenomenology · Physics 2014-11-20 Sarah Andreas

We propose that the nature of indirect signals of dark matter (DM) can depend on the Galactic environment they originate from. We demonstrate this possibility in models where DM annihilates into light mediators whose branching fractions…

High Energy Physics - Phenomenology · Physics 2023-03-31 Hooman Davoudiasl , Julia Gehrlein

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

This study reanalyzes the detection prospects of dark matter (DM) annihilation signals in the Galactic Center, focusing on velocity-dependent dynamics within a spike density near the supermassive black hole (Sgr~A$^{\star}$). We investigate…

High Energy Physics - Phenomenology · Physics 2024-10-25 MeiWen Yang , Zhi-Qi Guo , Xiao-Yi Luo , Zhao-Qiang Shen , Zi-Qing Xia , Chih-Ting Lu , Yue-Lin Sming Tsai , Yi-Zhong Fan

If dark matter is a new species of particle produced in the early universe as a cold thermal relic (a weakly-interacting massive particle-WIMP), its present abundance, its scattering with matter in direct-detection experiments, its…

High Energy Physics - Phenomenology · Physics 2013-05-02 Jing-Yuan Chen , Edward W. Kolb , Lian-Tao Wang

Our Galaxy resides in the center of a vast "Halo" of Dark Matter (DM). This concentration produces, in many viable particle physics models, an indirect Weakly Interacting Massive Particle (WIMP) annihilation signal that peaks in the…

High Energy Physics - Phenomenology · Physics 2015-03-17 Brandon Anderson

As the largest mass concentrations in the local Universe, nearby clusters of galaxies and their central galaxies are prime targets in searching for indirect signatures of dark matter annihilation (DMA). We seek to constrain the dark matter…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Sheetal Saxena , Alexander Summa , Dominik Elsässer , Michael Rüger , Karl Mannheim

Weakly interacting massive particles (WIMPs) remain a prime candidate for the cosmological dark matter (DM), even in the absence of current collider signals that would unambiguously point to new physics below the TeV scale. The…

High Energy Physics - Phenomenology · Physics 2012-12-17 Torsten Bringmann , Christoph Weniger

Indirect detection of particle dark matter relies upon pair annihilation of Weakly Interaction Massive Particles (WIMPs), which is complementary to the well known techniques of direct detection (WIMP-nucleus scattering) and collider…

Astrophysics · Physics 2008-11-26 Lawrence Wai , GLAST LAT Collaboration

Weakly Interacting Massive Particles (WIMPs, $\chi$) are candidates for Dark Matter. WIMP searches at lepton colliders are complementary to searches at hadron colliders and direct and indirect detection, since they directly probe the…

High Energy Physics - Experiment · Physics 2017-02-20 Moritz Habermehl , Keisuke Fujii , Jenny List , Shigeki Matsumoto , Tomohiko Tanabe

Weakly Interacting Massive Particles (WIMPs) are a theoretical class of particles that are excellent dark matter candidates. WIMP annihilation or decay may produce essentially monochromatic gamma rays detectable by the Fermi Large Area…

High Energy Astrophysical Phenomena · Physics 2017-02-22 LAT Collaboration

The latest years have seen steady progresses in WIMP dark matter (DM) searches, with hints of possible signals suggested by both direct and indirect detection experiments. Antiprotons can play a key role validating those interpretations…

High Energy Astrophysical Phenomena · Physics 2012-06-29 Carmelo Evoli , Ilias Cholis , Dario Grasso , Luca Maccione , Piero Ullio

Weakly interacting massive particles (WIMPs) are one of the leading candidates for dark matter. Currently, the most promising method to detect many different WIMP candidates is the direct detection of the recoil energy deposited in a…

Astrophysics · Physics 2010-10-27 Manuel Drees , Chung-Lin Shan

Weakly Interacting Massive Particle (WIMP) direct detection experiments are just reaching the sensitivity required to detect Galactic dark matter in the form of neutralinos (or indeed any stable weakly interacting particle). Detection…

Astrophysics · Physics 2007-05-23 Anne M Green

Weakly interacting massive particles (WIMPs) are among the favored candidates for cold dark matter in the universe. The phenomenology of supersymmetric WIMPs has been quite developed during recent years. However, there are other…

High Energy Physics - Phenomenology · Physics 2009-11-07 E. A. Baltz , L. Bergstrom

In this paper, as the third part of the third step of our study on developing data analysis procedures for using 3-dimensional information offered by directional direct Dark Matter detection experiments in the future, we introduce a…

High Energy Astrophysical Phenomena · Physics 2021-03-15 Chung-Lin Shan

Dark Matter remains a great mystery in modern physics. Among various candidates, the weakly interacting massive particles (WIMPs) scenario stands out and is under extensive study. The detection of the hypothetical gamma-ray emission from…

High Energy Astrophysical Phenomena · Physics 2025-10-07 Abhishek Abhishek , Shotaro Abe , Tomohiro Inada , Sofia Ventura , Michele Doro , Masahiro Teshima , Gaia Verna

Gamma rays and microwave observations of the Galactic Center and surrounding areas indicate the presence of anomalous emission, whose origin remains ambiguous. The possibility of dark matter (DM) annihilation explaining both signals through…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-28 Andrey E. Egorov , Jennifer M. Gaskins , Elena Pierpaoli , Davide Pietrobon