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We investigate whether nearby white dwarfs (WDs) can constrain dark matter (DM) interactions with ordinary matter. As experimental sensitivity improves, driven by the Gaia mission, the sample volume of nearby WDs has been increasing over…

High Energy Physics - Phenomenology · Physics 2025-10-28 Pooja Bhattacharjee , Sandra Robles , Stephan A. Meighen-Berger , Francesca Calore

White dwarfs, the most abundant stellar remnants, provide a promising means of probing dark matter (DM) interactions, complimentary to terrestrial searches. The scattering of dark matter from stellar constituents leads to gravitational…

High Energy Physics - Phenomenology · Physics 2021-11-01 Nicole F. Bell , Giorgio Busoni , Maura E. Ramirez-Quezada , Sandra Robles , Michael Virgato

The Milky Way (MW) dwarf spheroidal satellite galaxies (dSphs) are particularly intriguing targets to search for gamma rays from Weakly Interacting Massive Particle (WIMP) dark matter (DM) annihilation or decay. They are nearby,…

High Energy Astrophysical Phenomena · Physics 2023-11-10 Alex McDaniel , Marco Ajello , Christopher M. Karwin , Mattia Di Mauro , Alex Drlica-Wagner , Miguel A. Sanchez-Conde

The dwarf spheroidal satellite galaxies of the Milky Way are some of the most dark-matter-dominated objects known. Due to their proximity, high dark matter content, and lack of astrophysical backgrounds, dwarf spheroidal galaxies are widely…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Matthew Wood , Brandon Anderson , Alex Drlica-Wagner , Johann Cohen-Tanugi , Jan Conrad

The dwarf spheroidal satellite galaxies of the Milky Way are some of the most dark-matter-dominated objects known. Due to their proximity, high dark matter content, and lack of astrophysical backgrounds, dwarf spheroidal galaxies are widely…

High Energy Astrophysical Phenomena · Physics 2014-02-20 LAT Collaboration , M. Ackermann , A. Albert , B. Anderson , L. Baldini , J. Ballet , G. Barbiellini , D. Bastieri , K. Bechtol , R. Bellazzini , E. Bissaldi , E. D. Bloom , E. Bonamente , A. Bouvier , T. J. Brandt , J. Bregeon , M. Brigida , P. Bruel , R. Buehler , S. Buson , G. A. Caliandro , R. A. Cameron , M. Caragiulo , P. A. Caraveo , C. Cecchi , E. Charles , A. Chekhtman , J. Chiang , S. Ciprini , R. Claus , J. Cohen-Tanugi , J. Conrad , F. D'Ammando , A. de Angelis , C. D. Dermer , S. W. Digel , E. do Couto e Silva , P. S. Drell , A. Drlica-Wagner , R. Essig , C. Favuzzi , E. C. Ferrara , A. Franckowiak , Y. Fukazawa , S. Funk , P. Fusco , F. Gargano , D. Gasparrini , N. Giglietto , M. Giroletti , G. Godfrey , G. A. Gomez-Vargas , I. A. Grenier , S. Guiriec , M. Gustafsson , M. Hayashida , E. Hays , J. Hewitt , R. E. Hughes , T. Jogler , T. Kamae , J. Knödlseder , D. Kocevski , M. Kuss , . Larsson , L. Latronico , M. Llena Garde , F. Longo , F. Loparco , M. N. Lovellette , P. Lubrano , G. Martinez , M. Mayer , M. N. Mazziotta , P. F. Michelson , W. Mitthumsiri , T. Mizuno , A. A. Moiseev , M. E. Monzani , A. Morselli , I. V. Moskalenko , S. Murgia , R. Nemmen , E. Nuss , T. Ohsugi , E. Orlando , J. F. Ormes , J. S. Perkins , F. Piron , G. Pivato , T. A. Porter , S. Rainò , R. Rando , M. Razzano , S. Razzaque , A. Reimer , O. Reimer , S. Ritz , M. Sànchez-Conde , N. Sehgal , C. Sgrò , E. J. Siskind , P. Spinelli , L. Strigari , D. J. Suson , H. Tajima , H. Takahashi , J. B. Thayer , L. Tibaldo , M. Tinivella , D. F. Torres , Y. Uchiyama , T. L. Usher , J. Vandenbroucke , G. Vianello , V. Vitale , M. Werner , B. L. Winer , K. S. Wood , M. Wood , G. Zaharijas , S. Zimmer

We present a new formalism designed to discover dark matter annihilation occurring in the Milky Way's dwarf galaxies. The statistical framework extracts all available information in the data by simultaneously combining observations of all…

Cosmology and Nongalactic Astrophysics · Physics 2015-04-28 Alex Geringer-Sameth , Savvas M. Koushiappas , Matthew G. Walker

Among the most stringent constraints on the dark matter annihilation cross section are those derived from observations of dwarf galaxies by the Fermi Gamma-Ray Space Telescope. As current (e.g., Dark Energy Survey, DES) and future (Large…

High Energy Astrophysical Phenomena · Physics 2015-03-18 Chen He , Keith Bechtol , Andrew P. Hearin , Dan Hooper

In the vast expanse of our galaxy, white dwarfs (WDs) are natural sentinels, capturing the enigmatic dark matter (DM) particles that incessantly traverse their interiors. These celestial bodies provide a unique vantage point for probing…

High Energy Physics - Phenomenology · Physics 2024-06-06 Jia-Shu Niu

Dark matter (DM) in the Milky Way halo may annihilate or decay to photons, producing monochromatic gamma rays. We search for DM-induced spectral lines using 14 years of data from the Large Area Telescope onboard the Fermi Gamma-ray Space…

High Energy Physics - Phenomenology · Physics 2023-06-07 Joshua W. Foster , Yujin Park , Benjamin R. Safdi , Yotam Soreq , Weishuang Linda Xu

The dwarf spheroidal satellite galaxies (dSphs) of the Milky Way are some of the most dark matter (DM) dominated objects known. We report on gamma-ray observations of Milky Way dSphs based on 6 years of Fermi Large Area Telescope data…

High Energy Astrophysical Phenomena · Physics 2015-12-09 LAT Collaboration

The center of the Milky Way is a prime site to search for signals of dark matter (DM) annihilation due to its proximity and expected high concentration of DM. The amplification of the dispersion velocity of DM particles in the Galactic…

High Energy Astrophysical Phenomena · Physics 2023-10-25 Alessandro Montanari , Oscar Macias , Emmanuel Moulin

In our galaxy, the white dwarfs (WDs) will inevitably capture the dark matter (DM) particles streaming through them, if there exist interactions between DM particles and nuclei/electrons. At the same time, these DM particles can also be…

High Energy Physics - Phenomenology · Physics 2024-01-18 Jia-Shu Niu , Hui-Fang Xue

Dwarf spheroidal galaxy satellites of the Milky Way are prime targets for indirect detection of dark matter with gamma rays due to their proximity, high dark matter content and absence of non-thermal emission processes. Recently, the Dark…

High Energy Astrophysical Phenomena · Physics 2020-09-07 H. E. S. S. Collaboration , : , H. Abdallah , R. Adam , F. Aharonian , F. Ait Benkhali , E. O. Angüner , M. Arakawa , C. Arcaro , C. Armand , T. Armstrong , H. Ashkar , M. Backes , V. Baghmanyan , V. Barbosa Martins , A. Barnacka , M. Barnard , Y. Becherini , D. Berge , K. Bernlöhr , M. Böttcher , C. Boisson , J. Bolmont , S. Bonnefoy , M. Breuhaus , J. Bregeon , F. Brun , P. Brun , M. Bryan , M. Büchele , T. Bulik , T. Bylund , S. Caroff , A. Carosi , S. Casanova , T. Chand , S. Chandra , A. Chen , G. Cotter , M. Curyło , I. D. Davids , J. Davies , C. Deil , J. Devin , P. deWilt , L. Dirson , A. Djannati-Ataï , A. Dmytriiev , A. Donath , V. Doroshenko , J. Dyks , K. Egberts , F. Eichhorn , G. Emery , J. -P. Ernenwein , S. Eschbach , K. Feijen , S. Fegan , A. Fiasson , G. Fontaine , S. Funk , M. Füßling , S. Gabici , Y. A. Gallant , G. Giavitto , L. Giunti , D. Glawion , J. F. Glicenstein , D. Gottschall , M. -H. Grondin , J. Hahn , M. Haupt , G. Hermann , J. A. Hinton , W. Hofmann , C. Hoischen , T. L. Holch , M. Holler , M. Hörbe , D. Horns , D. Huber , H. Iwasaki , M. Jamrozy , D. Jankowsky , F. Jankowsky , A. Jardin-Blicq , V. Joshi , I. Jung-Richardt , M. A. Kastendieck , K. Katarzyński , M. Katsuragawa , U. Katz , D. Khangulyan , B. Khélifi , S. Klepser , W. Kluźniak , Nu. Komin , R. Konno , K. Kosack , D. Kostunin , M. Kreter , G. Lamanna , A. Lemière , M. Lemoine-Goumard , J. -P. Lenain , E. Leser , C. Levy , T. Lohse , I. Lypova , J. Mackey , J. Majumdar , D. Malyshev , D. Malyshev , V. Marandon , P. Marchegiani , A. Marcowith , A. Mares , G. Martì-Devesa , R. Marx , G. Maurin , P. J. Meintjes , R. Moderski , M. Mohamed , L. Mohrmann , C. Moore , P. Morris , E. Moulin , J. Muller , T. Murach , K. Nakashima , S. Nakashima , M. de Naurois , H. Ndiyavala , F. Niederwanger , J. Niemiec , L. Oakes , P. O'Brien , H. Odaka , S. Ohm , E. de Ona Wilhelmi , M. Ostrowski , M. Panter , R. D. Parsons , B. Peyaud , Q. Piel , S. Pita , V. Poireau , A. Priyana Noel , D. A. Prokhorov , H. Prokoph , G. Pühlhofer , M. Punch , A. Quirrenbach , S. Raab , R. Rauth , A. Reimer , O. Reimer , Q. Remy , M. Renaud , F. Rieger , L. Rinchiuso , C. Romoli , G. Rowell , B. Rudak , E. Ruiz-Velasco , V. Sahakian , S. Sailer , S. Saito , D. A. Sanchez , A. Santangelo , M. Sasaki , M. Scalici , F. Schüssler , H. M. Schutter , U. Schwanke , S. Schwemmer , M. Seglar-Arroyo , M. Senniappan , A. S. Seyffert , N. Shafi , K. Shiningayamwe , R. Simoni , A. Sinha , H. Sol , A. Specovius , S. Spencer , M. Spir-Jacob , Ł. Stawarz , R. Steenkamp , C. Stegmann , C. Steppa , T. Takahashi , T. Tavernier , A. M. Taylor , R. Terrier , D. Tiziani , M. Tluczykont , L. Tomankova , C. Trichard , M. Tsirou , N. Tsuji , R. Tuffs , Y. Uchiyama , D. J. van der Walt , C. van Eldik , C. van Rensburg , B. van Soelen , G. Vasileiadis , J. Veh , C. Venter , A. Viana , P. Vincent , J. Vink , H. J. Völk , T. Vuillaume , Z. Wadiasingh , S. J. Wagner , J. Watson , F. Werner , R. White , A. Wierzcholska , R. Yang , H. Yoneda , M. Zacharias , R. Zanin , D. Zargaryan , A. A. Zdziarski , A. Zech , S. Zhu , J. Zorn , N. Żywucka

Several nearby ultra-faint satellites of the Milky Way discovered by the Dark Energy Survey (DES) during the last few years are promising targets for indirect dark matter (DM) searches with very-high-energy (VHE, E$\gtrsim$100 GeV) gamma…

High Energy Astrophysical Phenomena · Physics 2019-09-05 Lucia Rinchiuso , Emmanuel Moulin , Céline Armand , Vincent Poireau , H. E. S. S. Collaboration

Huge efforts have been deployed to detect dark matter (DM) in the GeV-TeV mass range involving various detection techniques, and led to strong constraints in the available parameter space. We compute here the sensitivity to sub-GeV DM that…

High Energy Physics - Phenomenology · Physics 2024-06-12 Igor Reis , Emmanuel Moulin , Aion Viana , Victor P. Goncalves

We revisit dark matter (DM) capture in celestial objects, including the impact of multiple scattering, and obtain updated constraints on the DM-proton cross section using observations of white dwarfs. Considering a general form for the…

High Energy Physics - Phenomenology · Physics 2024-06-13 Basudeb Dasgupta , Aritra Gupta , Anupam Ray

Current cosmological models and data suggest the existence of a cold Dark Matter (DM) component, however the nature of DM particles remains unknown. A favored candidate for DM is a Weakly Interacting Massive Particle (WIMP) in the mass…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Benjamin Zitzer

Studies of Fermi-Large Area Telescope (LAT) data coincident with dwarf spheroidal satellite galaxies (dSphs) of the Milky Way (MW) have put the most stringent constraints on models of annihilating dark matter (DM) with candidate masses in…

High Energy Astrophysical Phenomena · Physics 2026-05-26 A. Circiello , M. Di Mauro , M. Ajello , C. Karwin , A. Drlica-Wagner , M. Á. Sánchez-Conde

We present exoplanets as new targets to discover Dark Matter (DM). Throughout the Milky Way, DM can scatter, become captured, deposit annihilation energy, and increase the heat flow within exoplanets. We estimate upcoming infrared telescope…

High Energy Physics - Phenomenology · Physics 2023-04-26 Rebecca K. Leane , Juri Smirnov
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