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Fermi LAT search for dark matter in gamma-ray lines and the inclusive photon spectrum

  • M. Ackermann
  • , M. Ajello
  • , A. Albert
  • , L. Baldini
  • , G. Barbiellini
  • , K. Bechtol
  • , R. Bellazzini
  • , B. Berenji
  • , R. D. Blandford
  • , E. D. Bloom
  • , E. Bonamente
  • , A. W. Borgland
  • , M. Brigida
  • , R. Buehler
  • , S. Buson
  • , G. A. Caliandro
  • , R. A. Cameron
  • , P. A. Caraveo
  • , J. M. Casandjian
  • , C. Cecchi
  • E. Charles, A. Chekhtman, J. Chiang, S. Ciprini, R. Claus, J. Cohen-Tanugi, J. Conrad, F. D'Ammando, F. De Palma, C. D. Dermer, E. Do Couto E Silva, P. S. Drell, A. Drlica-Wagner, Y. Edmonds, R. Essig, C. Favuzzi, S. J. Fegan, W. B. Focke, Y. Fukazawa, S. Funk, P. Fusco, F. Gargano, D. Gasparrini, S. Germani, N. Giglietto, F. Giordano, M. Giroletti, T. Glanzman, G. Godfrey, I. A. Grenier, S. Guiriec, M. Gustafsson, D. Hadasch, M. Hayashida, D. Horan, R. E. Hughes, T. Kamae, J. Knödlseder, M. Kuss, J. Lande, A. M. Lionetto, M. Llena Garde, F. Longo, F. Loparco, M. N. Lovellette, P. Lubrano, M. N. Mazziotta, P. F. Michelson, W. Mitthumsiri, T. Mizuno, A. A. Moiseev, C. Monte, M. E. Monzani, A. Morselli, I. V. Moskalenko, S. Murgia, M. Naumann-Godo, J. P. Norris, E. Nuss, T. Ohsugi, A. Okumura, E. Orlando, J. F. Ormes, D. Paneque, J. H. Panetta, M. Pesce-Rollins, F. Piron, G. Pivato, T. A. Porter, D. Prokhorov, S. Rainò, R. Rando, M. Razzano, O. Reimer, M. Roth, C. Sbarra, J. D. Scargle, C. Sgrò, E. J. Siskind, A. Snyder, P. Spinelli, D. J. Suson, H. Takahashi, T. Tanaka, J. G. Thayer, J. B. Thayer, L. Tibaldo, M. Tinivella, D. F. Torres, G. Tosti, E. Troja, J. Vandenbroucke, V. Vasileiou, G. Vianello, V. Vitale, A. P. Waite, B. L. Winer, K. S. Wood, Z. Yang, S. Zimmer
  • c/o DESY
  • Kavli Institute for Particle Astrophysics and Cosmology
  • The Ohio State University
  • Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
  • INFN Sezione di Trieste
  • University of Trieste
  • INFN Sezione di Perugia
  • University of Perugia
  • Politecnico di Bari
  • INFN Sezione di Bari
  • INFN
  • University of Padova
  • IEEE
  • INAF Istituto di Astrofisica Spaziale e Fisica Cosmica, Milan
  • Universite Paris-Saclay
  • Artep Inc.
  • ASI Science Data Center
  • Laboratoire Univers et Particules de Montpellier
  • Stockholm University
  • Oskar Klein Centre
  • INAF Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo
  • INAF-IASF
  • Naval Research Laboratory
  • Stony Brook University
  • Institute for Advanced Study
  • Hiroshima University
  • Science and Research Directorate
  • INAF Istituto di Radioastronomia
  • Center for Space Plasma and Aeronomic Research
  • Kyoto University
  • IRAP/CNRS
  • Observatoire Midi-Pyrénées
  • INFN Roma Tor Vergata
  • University of Rome “Tor Vergata”
  • NASA Goddard Space Flight Center
  • University of Maryland
  • Boise State University
  • ISAS/JAXA
  • Max Planck Institut für Extraterrestrische Physik
  • University of Denver
  • Max-Planck-Institut für Physik
  • University of California at Santa Cruz
  • Medical University of Innsbruck
  • University of Washington
  • NASA Ames Research Center
  • NYCB Real-Time Computing Inc.
  • Purdue University Northwest
  • Pompeu Fabra University (UPF)
  • NASA Postdoctoral Program Fellow
  • Consorzio Interuniversitario per la Fisica Spaziale (CIFS)

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

Résumé

Dark matter particle annihilation or decay can produce monochromatic gamma-ray lines and contribute to the diffuse gamma-ray background. Flux upper limits are presented for gamma-ray spectral lines from 7 to 200GeV and for the diffuse gamma-ray background from 4.8GeV to 264GeV obtained from two years of Fermi Large Area Telescope data integrated over most of the sky. We give cross-section upper limits and decay lifetime lower limits for dark matter models that produce gamma-ray lines or contribute to the diffuse spectrum, including models proposed as explanations of the PAMELA and Fermi cosmic-ray data.

langue originaleAnglais
Numéro d'article022002
journalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume86
Numéro de publication2
Les DOIs
étatPublié - 5 juil. 2012

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