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Search for gamma rays from dark matter annihilations around intermediate mass black holes with the HESS experiment

  • F. Aharonian
  • , A. G. Akhperjanian
  • , U. Barres De Almeida
  • , A. R. Bazer-Bachi
  • , B. Behera
  • , M. Beilicke
  • , W. Benbow
  • , K. Bernlöhr
  • , G. Bertone
  • , C. Boisson
  • , A. Bochow
  • , V. Borrel
  • , I. Braun
  • , E. Brion
  • , J. Brucker
  • , P. Brun
  • , R. Bühler
  • , T. Bulik
  • , I. Büsching
  • , T. Boutelier
  • S. Carrigan, P. M. Chadwick, R. C.G. Chaves, L. M. Chounet, A. C. Clapson, G. Coignet, L. Costamante, M. Dalton, B. Degrange, H. J. Dickinson, A. Djannati-Ataï, W. Domainko, L. O.C. Drury, F. Dubois, G. Dubus, J. Dyks, K. Egberts, D. Emmanoulopoulos, P. Espigat, C. Farnier, F. Feinstein, A. Fiasson, A. Förster, G. Fontaine, M. Füßling, S. Gabici, Y. A. Gallant, L. Gérard, B. Giebels, J. F. Glicenstein, B. Glück, P. Goret, C. Hadjichristidis, D. Hauser, M. Hauser, G. Heinzelmann, G. Henri, G. Hermann, J. A. Hinton, A. Hoffmann, W. Hofmann, M. Holleran, S. Hoppe, D. Horns, A. Jacholkowska, O. C. De Jager, I. Jung, K. Katarzyński, S. Kaufmann, E. Kendziorra, M. Kerschhaggl, D. Khangulyan, B. Khélifi, D. Keogh, Nu Komin, K. Kosack, G. Lamanna, I. J. Latham, J. P. Lenain, T. Lohse, V. Marandon, J. M. Martin, O. Martineau-Huynh, A. Marcowith, C. Masterson, D. Maurin, T. J.L. McComb, R. Moderski, E. Moulin, M. Naumann-Godo, M. De Naurois, D. Nedbal, D. Nekrassov, J. Niemiec, S. J. Nolan, S. Ohm, J. P. Olive, E. De Oñawilhelmi, K. J. Orford, J. L. Osborne, M. Ostrowski, M. Panter, G. Pedaletti, G. Pelletier, P. O. Petrucci, S. Pita, G. Pühlhofer, M. Punch, A. Quirrenbach, B. C. Raubenheimer, M. Raue, S. M. Rayner, M. Renaud, F. Rieger, J. Ripken, L. Rob, S. Rosier-Lees, G. Rowell, B. Rudak, J. Ruppel, V. Sahakian, A. Santangelo, R. Schlickeiser, F. M. Schöck, R. Schröder, U. Schwanke, S. Schwarzburg, S. Schwemmer, A. Shalchi, J. L. Skilton, H. Sol, D. Spangler, Stawarz, R. Steenkamp, C. Stegmann, G. Superina, P. H. Tam, J. P. Tavernet, R. Terrier, O. Tibolla, C. Van Eldik, G. Vasileiadis, C. Venter, J. P. Vialle, P. Vincent, M. Vivier, H. J. Völk, F. Volpe, S. J. Wagner, M. Ward, A. A. Zdziarski, A. Zech
  • Max-Planck-Institut für Kernphysik
  • Dublin Institute for Advanced Studies
  • Yerevan Physics Institute
  • Universite Paris-Saclay
  • Centre national de la recherche scientifique
  • Universität Hamburg
  • Humboldt-Universität zu Berlin
  • Institut d’Astrophysique de Paris
  • LUTH - Laboratoire de l'Univers et de ses Theories
  • Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen
  • Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
  • North-West University
  • Durham University
  • Université Paris-Sud
  • European Associated Laboratory for Gamma-Ray Astronomy
  • Astroparticule and Cosmol APC
  • Landessternwarte Heidelberg
  • Laboratoire Univers et Particules de Montpellier
  • University of Leeds
  • University of Tübingen
  • Nicolaus Copernicus University
  • Universités Paris VI and VII
  • Charles University
  • Institute for Nuclear Physics
  • Jagiellonian University
  • The University of Adelaide
  • Ruhr-University Bochum
  • University of Namibia

Research output: Contribution to journalArticlepeer-review

Abstract

The HESS array of Cherenkov telescopes has performed, from 2004 to 2007, a survey of the inner galactic plane at photon energies above 100 GeV. About 400 hours of data have been accumulated in the region between -30 and +60degrees in galactic longitude, and between -3 and +3degrees in galactic latitude. Assuming that dark matter is composed of weakly interacting massive particles, we calculate here the HESS sensitivity map for dark matter annihilations, and derive the first experimental constraints on the ("minispikes") scenario, in which a gamma-ray signal arises from dark matter annihilation around intermediate mass black holes. The data exclude the proposed scenario at a 90% confidence level for dark matter particles with velocity-weighted annihilation cross section σv above 10-28cm3s-1 and mass between 800 GeV and 10 TeV.

Original languageEnglish
Article number072008
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume78
Issue number7
DOIs
Publication statusPublished - 30 Oct 2008
Externally publishedYes

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