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The Large Magellanic Cloud, at only 50 kpc away from us and known to be dark matter dominated, is clearly an interesting place where to search for dark matter annihilation signals. In this paper, we estimate the synchrotron emission due to…

High Energy Astrophysical Phenomena · Physics 2011-03-16 Beatriz B. Siffert , Angelo Limone , Enrico Borriello , Giuseppe Longo , Gennaro Miele

At a distance of 50 kpc and with a dark matter mass of $\sim10^{10}$ M$_{\odot}$, the Large Magellanic Cloud (LMC) is a natural target for indirect dark matter searches. We use five years of data from the Fermi Large Area Telescope (LAT)…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Matthew R. Buckley , Eric Charles , Jennifer M. Gaskins , Alyson M. Brooks , Alex Drlica-Wagner , Pierrick Martin , Geng Zhao

Recent radio observations have obtained stringent constraints for annihilating dark matter. In this article, we use the radio continuum spectral data of the Large Magellanic Cloud (LMC) to analyze the dark matter annihilation signals. We…

Astrophysics of Galaxies · Physics 2022-08-15 Man Ho Chan , Chak Man Lee

Radio-frequency, indirect dark matter searches have recently been gaining prevalence, due to the high sensitivity and resolution capabilities of the new generation of radio interferometers. MeerKAT is currently one of the most sensitive…

Cosmology and Nongalactic Astrophysics · Physics 2024-01-09 Natasha Lavis , Michael Sarkis , Geoff Beck , Kenda Knowles

The Small Magellanic Cloud (SMC) is the second-largest satellite galaxy of the Milky Way and is only 60 kpc away. As a nearby, massive, and dense object with relatively low astrophysical backgrounds, it is a natural target for dark matter…

We study the dark matter (DM) annihilation signals from the Large Magellanic Cloud (LMC) and the impact of the LMC on the DM annihilation signals from the Milky Way (MW) halo, using a MW-LMC analogue from the Auriga magneto-hydrodynamical…

High Energy Astrophysical Phenomena · Physics 2025-09-18 Evan Vienneau , Evan Batteas , Addy J. Evans , Odelia V. Hartl , Nassim Bozorgnia , Louis E. Strigari

Recent studies focusing on the use of radio data in indirect dark matter detection have led to a set of highly competitive limits on the WIMP annihilation cross-section, especially in light of high-resolution data from instruments like…

High Energy Astrophysical Phenomena · Physics 2023-03-02 Michael Sarkis , Geoff Beck , Natasha Lavis

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

The presence of dark matter (DM) is suggested by a wealth of astrophysical and cosmological measurements. However, its underlying nature is yet unknown. Among the most promising candidates are weakly interacting massive particles (WIMPs):…

High Energy Astrophysical Phenomena · Physics 2021-08-25 A. Montanari , E. Moulin , D. Malyshev

The flat rotation curve obtained for the outer star clusters of the Large Magellanic Cloud is suggestive of an LMC dark matter halo. From the composite HI and star cluster rotation curve, I estimate the parameters of an isothermal dark…

Astrophysics · Physics 2009-10-22 P Gondolo

Weakly Interacting Massive Particles (WIMPs) have long reigned as one of the leading classes of dark matter candidates. The observed dark matter abundance can be naturally obtained by freezeout of weak-scale dark matter annihilations in the…

High Energy Physics - Phenomenology · Physics 2018-07-20 Rebecca K. Leane , Tracy R. Slatyer , John F. Beacom , Kenny C. Y. Ng

Unveiling the nature of cosmic dark matter (DM) is an urgent issue in cosmology. Here we make use of a strategy based on the search for the imprints left on the cosmic microwave background temperature and polarization spectra by the energy…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Carmelo Evoli , Stefania Pandolfi , Andrea Ferrara

The combination of S-matrix unitarity and the dynamics of thermal freeze-out for massive relic particles (denoted here simply by WIMPs) implies a lower limit on the density of such particles, that provide a (potentially sub-dominant)…

High Energy Physics - Phenomenology · Physics 2015-07-29 Kfir Blum , Yanou Cui , Marc Kamionkowski

We present the results of the first IceCube search for dark matter annihilation in the center of the Earth. Weakly Interacting Massive Particles (WIMPs), candidates for dark matter, can scatter off nuclei inside the Earth and fall below its…

High Energy Astrophysical Phenomena · Physics 2017-06-02 IceCube Collaboration , M. G. Aartsen , K. Abraham , M. Ackermann , J. Adams , J. A. Aguilar , M. Ahlers , M. Ahrens , D. Altmann , K. Andeen , T. Anderson , I. Ansseau , G. Anton , M. Archinger , C. Argüelles , J. Auffenberg , S. Axani , X. Bai , S. W. Barwick , V. Baum , R. Bay , J. J. Beatty , J. Becker Tjus , K. -H. Becker , S. BenZvi , D. Berley , E. Bernardini , A. Bernhard , D. Z. Besson , G. Binder , D. Bindig , M. Bissok , E. Blaufuss , S. Blot , C. Bohm , M. Börner , F. Bos , D. Bose , S. Böser , O. Botner , J. Braun , L. Brayeur , H. -P. Bretz , S. Bron , A. Burgman , T. Carver , M. Casier , E. Cheung , D. Chirkin , A. Christov , K. Clark , L. Classen , S. Coenders , G. H. Collin , J. M. Conrad , D. F. Cowen , R. Cross , M. Day , J. P. A. M. de André , C. De Clercq , E. del Pino Rosendo , H. Dembinski , S. De Ridder , P. Desiati , K. D. de Vries , G. de Wasseige , M. de With , T. DeYoung , J. C. Díaz-Vélez , V. di Lorenzo , H. Dujmovic , J. P. Dumm , M. Dunkman , B. Eberhardt , T. Ehrhardt , B. Eichmann , P. Eller , S. Euler , P. A. Evenson , S. Fahey , A. R. Fazely , J. Feintzeig , J. Felde , K. Filimonov , C. Finley , S. Flis , C. -C. Fösig , A. Franckowiak , E. Friedman , T. Fuchs , T. K. Gaisser , J. Gallagher , L. Gerhardt , K. Ghorbani , W. Giang , L. Gladstone , M. Glagla , T. Glauch , T. Glüsenkamp , A. Goldschmidt , G. Golup , J. G. Gonzalez , D. Grant , Z. Griffith , C. Haack , A. Haj Ismail , A. Hallgren , F. Halzen , E. Hansen , B. Hansmann , T. Hansmann , K. Hanson , D. Hebecker , D. Heereman , K. Helbing , R. Hellauer , S. Hickford , J. Hignight , G. C. Hill , K. D. Hoffman , R. Hoffmann , K. Holzapfel , K. Hoshina , F. Huang , M. Huber , K. Hultqvist , S. In , A. Ishihara , E. Jacobi , G. S. Japaridze , M. Jeong , K. Jero , B. J. P. Jones , M. Jurkovic , A. Kappes , T. Karg , A. Karle , U. Katz , M. Kauer , A. Keivani , J. L. Kelley , J. Kemp , A. Kheirandish , M. Kim , T. Kintscher , J. Kiryluk , T. Kittler , S. R. Klein , G. Kohnen , R. Koirala , H. Kolanoski , R. Konietz , L. Köpke , C. Kopper , S. Kopper , D. J. Koskinen , M. Kowalski , K. Krings , M. Kroll , G. Krückl , C. Krüger , J. Kunnen , S. Kunwar , N. Kurahashi , T. Kuwabara , M. Labare , J. L. Lanfranchi , M. J. Larson , F. Lauber , D. Lennarz , M. Lesiak-Bzdak , M. Leuermann , J. Leuner , L. Lu , J. Lünemann , J. Madsen , G. Maggi , K. B. M. Mahn , S. Mancina , M. Mandelartz , R. Maruyama , K. Mase , R. Maunu , F. McNally , K. Meagher , M. Medici , M. Meier , A. Meli , T. Menne , G. Merino , T. Meures , S. Miarecki , L. Mohrmann , T. Montaruli , M. Moulai , R. Nahnhauer , U. Naumann , G. Neer , H. Niederhausen , S. C. Nowicki , D. R. Nygren , A. Obertacke Pollmann , A. Olivas , A. O'Murchadha , T. Palczewski , H. Pandya , D. V. Pankova , P. Peiffer , Ö. Penek , J. A. Pepper , C. Pérez de los Heros , D. Pieloth , E. Pinat , P. B. Price , G. T. Przybylski , M. Quinnan , C. Raab , L. Rädel , M. Rameez , K. Rawlins , R. Reimann , B. Relethford , M. Relich , E. Resconi , W. Rhode , M. Richman , B. Riedel , S. Robertson , M. Rongen , C. Rott , T. Ruhe , D. Ryckbosch , D. Rysewyk , L. Sabbatini , S. E. Sanchez Herrera , A. Sandrock , J. Sandroos , S. Sarkar , K. Satalecka , M. Schimp , P. Schlunder , T. Schmidt , S. Schoenen , S. Schöneberg , L. Schumacher , D. Seckel , S. Seunarine , D. Soldin , M. Song , G. M. Spiczak , C. Spiering , M. Stahlberg , T. Stanev , A. Stasik , J. Stettner , A. Steuer , T. Stezelberger , R. G. Stokstad , A. Stößl , R. Ström , N. L. Strotjohann , G. W. Sullivan , M. Sutherland , H. Taavola , I. Taboada , J. Tatar , F. Tenholt , S. Ter-Antonyan , A. Terliuk , G. Tešić , S. Tilav , P. A. Toale , M. N. Tobin , S. Toscano , D. Tosi , M. Tselengidou , A. Turcati , E. Unger , M. Usner , J. Vandenbroucke , N. van Eijndhoven , S. Vanheule , M. van Rossem , J. van Santen , J. Veenkamp , M. Vehring , M. Voge , E. Vogel , M. Vraeghe , C. Walck , A. Wallace , M. Wallraff , N. Wandkowsky , Ch. Weaver , M. J. Weiss , C. Wendt , S. Westerhoff , B. J. Whelan , S. Wickmann , K. Wiebe , C. H. Wiebusch , L. Wille , D. R. Williams , L. Wills , M. Wolf , T. R. Wood , E. Woolsey , K. Woschnagg , D. L. Xu , X. W. Xu , Y. Xu , J. P. Yanez , G. Yodh , S. Yoshida , M. Zoll

The present work derived the robust constraints on annihilating WIMP parameters utilizing new radio observations of M31, as well as new studies of its dark matter distribution and other properties. The characteristics of emission due to DM…

Cosmology and Nongalactic Astrophysics · Physics 2022-07-25 Andrei E. Egorov

Synchrotron emission from electron cosmic ray populations can be used to study both cosmic rays physics and WIMP dark matter imprints on radio skymaps. We used available radio data - from MHz to GHz - to analyze the contribution from…

Cosmology and Nongalactic Astrophysics · Physics 2013-09-19 Roberto A. Lineros

Dwarf galaxies are dark matter-dominated and therefore promising targets for the search for weakly interacting massive particles (WIMPs), which are well-known candidates for dark matter. Annihilation of WIMPs produce ultra-relativistic…

High Energy Astrophysical Phenomena · Physics 2020-06-19 Martin Vollmann , Volker Heesen , Timothy Shimwell , Martin J. Hardcastle , Marcus Brüggen , Günter Sigl , Huub Röttgering

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
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