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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

Our paper reviews the planned space-based gamma-ray telescope GAMMA-400 and evaluates in details its opportunities in the field of dark matter (DM) indirect searches. We estimated GAMMA-400 mean sensitivity to the diphoton DM annihilation…

High Energy Astrophysical Phenomena · Physics 2020-11-26 Andrey E. Egorov , Nikolay P. Topchiev , Arkadiy M. Galper , Oleg D. Dalkarov , Alexey A. Leonov , Sergey I. Suchkov , Yuriy T. Yurkin

Experimental efforts of the last decades have been unsuccessful in detecting WIMPs (Weakly Interacting Massive Particles) in the 10-to-10$^4$ GeV/$c^2$ range, thus motivating the search for lighter dark matter. The DAMIC (DArk Matter In…

Cosmology and Nongalactic Astrophysics · Physics 2021-10-05 Michelangelo Traina

For decades, searches for electroweak-scale dark matter (DM) have been performed without a definitive detection. This lack of success may hint that DM searches have focused on the wrong mass range. A proposed candidate beyond the canonical…

High Energy Astrophysical Phenomena · Physics 2022-10-26 Donggeun Tak , Matthew Baumgart , Nicholas L. Rodd , Elisa Pueschel

Direct detection of Weakly Interacting Massive Particle (WIMP) candidates of Dark Matter (DM) is studied within the context of a self-consistent truncated isothermal model of the finite-size dark halo of the Galaxy based on the "King model"…

Cosmology and Nongalactic Astrophysics · Physics 2014-01-03 Soumini Chaudhury , Pijushpani Bhattacharjee , Ramanath Cowsik

Joint analyses of small-scale cosmological structure probes are relatively unexplored and promise to advance measurements of microphysical dark matter properties using heterogeneous data. Here, we present a multidimensional analysis of dark…

Cosmology and Nongalactic Astrophysics · Physics 2021-08-10 Ethan O. Nadler , Simon Birrer , Daniel Gilman , Risa H. Wechsler , Xiaolong Du , Andrew Benson , Anna M. Nierenberg , Tommaso Treu

We describe a methodology for testing No-Scale Supergravity by the LAT instrument onboard the Fermi Space Telescope via observation of gamma ray emissions from lightest supersymmetric (SUSY) neutralino annihilations. For our test vehicle we…

High Energy Physics - Phenomenology · Physics 2014-03-11 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

Galaxy clusters are promising targets for indirect dark matter searches. Gamma-ray signatures from the decay or annihilation of dark matter particles inside these clusters could be observable with the Fermi Large Area Telescope (LAT). Based…

High Energy Physics - Phenomenology · Physics 2015-05-30 Xiaoyuan Huang , Gilles Vertongen , Christoph Weniger

The Alpha Magnetic Spectrometer (AMS), to be installed on the International Space Station, will provide data on cosmic radiations in the energy range from 0.5 GeV to 3 TeV. The main physics goals are the anti-matter and the dark matter…

Astrophysics · Physics 2007-05-23 S. Di Falco

The content of matter in the Universe is estimated to be the 27% of its critical density. It is almost universally accepted that most ot this matter is non-baryonic. Constraints from primordial nucleosynthesis and cosmic background…

Astrophysics · Physics 2015-06-24 E. Bisesi , M. Mariotti , V. Scalzotto

One of the goals of NASA's Fermi Gamma-ray Space Telescope (formerly GLAST) will be detection of gamma rays from dark-matter annihilation in the Galactic halo. Theoretical arguments suggest that dark matter may be bound into subhalos with…

Astrophysics · Physics 2008-11-26 Shin'ichiro Ando , Marc Kamionkowski , Samuel K. Lee , Savvas M. Koushiappas

We propose a novel probe of weakly interacting massive particle (WIMP) dark matter (DM) candidates of a wide mass range which fall short of the required annihilation rates to satisfy correct thermal relic abundance, dubbed as…

High Energy Physics - Phenomenology · Physics 2022-07-29 Debasish Borah , Suruj Jyoti Das , Abhijit Kumar Saha , Rome Samanta

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

Observational evidence for dark matter can be explained by Weakly Interacting Massive Particles (WIMPs). These dark matter particle candidates could indirectly be detected through the observation of signals produced as part of WIMP…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Carsten Rott

Detection of gamma rays from dark matter annihilation in the galactic center is one of the feasible techniques to search for dark matter. We evaluate the gamma ray flux in the case that the dark matter has an electroweak SU(2)_L charge.…

High Energy Physics - Phenomenology · Physics 2009-11-10 Junji Hisano , Shigeki. Matsumoto , Mihoko M. Nojiri , Osamu Saito

The SuperCDMS experiment is designed to directly detect weakly interacting massive particles (WIMPs) that may constitute the dark matter in our Galaxy. During its operation at the Soudan Underground Laboratory, germanium detectors were run…

Cosmology and Nongalactic Astrophysics · Physics 2018-01-24 SuperCDMS Collaboration , R. Agnese , A. J. Anderson , T. Aralis , T. Aramaki , I. J. Arnquist , W. Baker , D. Balakishiyeva , D. Barker , R. Basu Thakur , D. A. Bauer , T. Binder , M. A. Bowles , P. L. Brink , R. Bunker , B. Cabrera , D. O. Caldwell , R. Calkins , C. Cartaro , D. G. Cerdeno , Y. Chang , H. Chagani , Y. Chen , J. Cooley , B. Cornell , P. Cushman , M. Daal , P. C. F. Di Stefano , T. Doughty , L. Esteban , E. Fascione , E. Figueroa-Feliciano , M. Fritts , G. Gerbier , M. Ghaith , G. L. Godfrey , S. R. Golwala , J. Hall , H. R. Harris , Z. Hong , E. W. Hoppe , L. Hsu , M. E. Huber , V. Iyer , D. Jardin , A. Jastram , C. Jena , M. H. Kelsey , A. Kennedy , A. Kubik , N. A. Kurinsky , A. Leder , B. Loer , E. Lopez Asamar , P. Lukens , D. MacDonell , R. Mahapatra , V. Mandic , N. Mast , E. H. Miller , N. Mirabolfathi , R. A. Moffatt , B. Mohanty , J. D. Morales Mendoza , J. Nelson , J. L. Orrell , S. M. Oser , K. Page , W. A. Page , R. Partridge , M. Pepin , M. Penalver Martinez , A. Phipps , S. Poudel , M. Pyle , H. Qiu , W. Rau , P. Redl , A. Reisetter , T. Reynolds , A. Roberts , A. E. Robinson , H. E. Rogers , T. Saab , B. Sadoulet , J. Sander , K. Schneck , R. W. Schnee , S. Scorza , K. Senapati , B. Serfass , D. Speller , M. Stein , J. Street , H. A. Tanaka , D. Toback , R. Underwood , A. N. Villano , B. von Krosigk , B. Welliver , J. S. Wilson , M. J Wilson , D. H. Wright , S. Yellin , J. J. Yen , B. A. Young , X. Zhang , X. Zhao

The strongest experimental evidence for dark matter is the Galactic Center gamma-ray excess observed by the Fermi telescope and even predicted prior to discovery as a potential dark matter signature via WIMP dark matter self-annihilations.…

High Energy Astrophysical Phenomena · Physics 2025-08-11 Moorits Mihkel Muru , Joseph Silk , Noam I. Libeskind , Stefan Gottloeber , Yehuda Hoffman

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

Triangulum-II, a newly discovered dwarf spheroidal galaxy, is a strong candidate for the indirect search of dark matter through the detection of $\gamma$-ray emission that could originate from the pair- annihilation of weakly interacting…

High Energy Astrophysical Phenomena · Physics 2018-04-10 Sayan Biswas , Pooja Bhattacharjee , Pratik Majumdar , Subinoy Das , Mousumi Das , Parthasarathi Joarder