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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
  • German Electron Synchrotron
  • Kavli Institute for Particle Astrophysics and Cosmology
  • Ohio State University
  • National Institute for Nuclear Physics
  • University of Trieste
  • University of Perugia
  • Polytechnic University of Bari
  • University of Padua
  • IEEE
  • Istituto di Astrofisica Spaziale e Fisica Cosmica di Bologna
  • Centre d'Etudes de Saclay
  • Artep Inc
  • ASI Science Data Center
  • LUPM-UMR 5299, CNRS, Université Montpellier
  • Stockholm University
  • Oskar Klein Centre
  • National Institute for Astrophysics
  • Naval Research Laboratory
  • CNRS-IN2P3
  • Hiroshima University
  • Italian Space Agency
  • University of Alabama in Huntsville
  • Kyoto University
  • Institute de Recherche en Astrophysique et Planétologie
  • Université de Toulouse
  • University of Rome Tor Vergata
  • NASA Goddard Space Flight Center
  • University of Maryland, College Park
  • Boise State University
  • JAXA Institute of Space and Astronautical Science
  • Max Planck Institute for Extraterrestrial Physics
  • University of Denver
  • Max Planck Institute for Physics (Werner Heisenberg Institute)
  • University of California at Santa Cruz
  • Innsbruck Medical University
  • University of Washington
  • NASA Ames Research Center
  • NYCB Real-Time Computing Inc.
  • Purdue University Northwest
  • ICREA
  • NASA Postdoctoral Program Fellow
  • Consorzio Interuniversitario per la Fisica Spaziale (CIFS)

Research output: Contribution to journalArticlepeer-review

223 Scopus citations

Abstract

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.

Original languageEnglish
Article number022002
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume86
Issue number2
DOIs
StatePublished - Jul 5 2012

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