Journal Articles Physical Review Letters Year : 2013

Search for photon line-like signatures from Dark Matter annihilations with H.E.S.S

A. Abramowski (1) , Fabio Acero (2) , F. Aharonian (3, 4, 5) , A. G. Akhperjanian (5, 6) , G. Anton (7) , S. Balenderan (8) , Agnès Balzer (9, 10) , A. Barnacka (11) , Y. Becherini (12, 13) , J. Becker Tjus (14) , K. Bernlöhr (15, 3) , E. Birsin (15) , J. Biteau (12) , A. Bochow (3) , C. Boisson (16) , J. Bolmont (17) , P. Bordas (18) , J. Brucker (7) , F. Brun (12) , P. Brun (19) , T. Bulik (20) , S. Carrigan (3) , S. Casanova (21) , M. Cerruti (16) , P. M. Chadwick (8) , R. C. G. Chaves , A. Cheesebrough (8) , S. Colafrancesco (22) , G. Cologna (23) , J. Conrad (24) , C. Couturier (17) , M. Dalton (15, 25) , M. K. Daniel (8) , I. D. Davids (26) , B. Degrange (12) , C. Deil (3) , P. Dewilt (27) , H. J. Dickinson (24) , A. Djannati-Ataï (28) , W. Domainko (3) , L. O'C. Drury (4) , G. Dubus (29) , K. Dutson (30) , J. Dyks (20) , M. Dyrda (31) , K. Egberts (32) , P. Eger (7) , P. Espigat (13) , L. Fallon (4) , C. Farnier (24) , S. Fegan (12) , F. Feinstein (2) , M. V. Fernandes (1) , D. Fernandez (2) , A. Fiasson (33) , G. Fontaine (12) , A. Förster (3) , M. Füssling (15) , M. Gajdus (15) , Y. A. Gallant (2) , T. Garrigoux (17) , H. Gast (3) , B. Giebels (12) , J. F. Glicenstein (19) , B. Glück (7) , D. Göring (7) , M. -H. Grondin (3, 34) , S. Häffner (7) , J. D. Hague (35) , J. Hahn (3) , D. Hampf (1) , J. Harris (8) , S. Heinz (7) , G. Heinzelmann (1) , G. Henri (29) , G. Hermann (3) , A. Hillert (3) , J. A. Hinton (30) , W. Hofmann (3) , P. Hofverberg (3) , M. Holler (10) , D. Horns (1) , A. Jacholkowska (17) , C. Jahn (7) , M. Jamrozy (36) , I. Jung (7) , M. A. Kastendieck (1) , K. Katarzyński (37) , U. Katz (38) , S. Kaufmann (23) , B. Khélifi (12) , S. Klepser (9) , D. Klochkov (39) , W. Kluźniak (37) , T. Kneiske (1) , Nu. Komin (33) , K. Kosack (19) , R. Kossakowski (33) , F. Krayzel (33) , P. P. Krüger (3, 21) , H. Laffon (12) , G. Lamanna (33) , J. Lefaucheur (13) , M. Lemoine-Goumard (25) , J. -P. Lenain (13) , D. Lennarz (3) , T. Lohse (15) , A. Lopatin (38) , C. -C. Lu (3) , V. Marandon (3) , Alexandre Marcowith (2) , Julien Masbou (33) , G. Maurin (33) , N. Maxted (27) , M. Mayer (10) , T. J. L. Mccomb (8) , M. C. Medina (19) , J. Méhault (2, 25) , U. Menzler (40) , R. Moderski (41) , M. Mohamed (23) , Emmanuel Moulin (19) , C. L. Naumann (17) , M. Naumann-Godo (19) , M. de Naurois (12) , D. Nedbal (42) , D. Nekrassov (3) , N. Nguyen (1) , J. Niemiec (31) , S. J. Nolan (8) , S. Ohm (3, 30) , E. de Oña Wilhelmi (3) , B. Opitz (1) , M. Ostrowski (36) , I. Oya (15) , M. Panter (3) , R. D. Parsons (3) , M. Paz Arribas (15) , N. W. Pekeur (21) , G. Pelletier (29) , J. Perez (32) , P. -O. Petrucci (29) , B. Peyaud (19) , S. Pita (13) , G. Pühlhofer (39) , M. Punch (13) , A. Quirrenbach (23) , M. Raue (1) , A. Reimer (32) , O. Reimer (32) , Matthieu Renaud (2) , R. de Los Reyes (3) , F. Rieger (3) , J. Ripken (24) , L. Rob (42) , S. Rosier-Lees (33) , G. Rowell (27) , B. Rudak (20) , C. B. Rulten (8) , V. Sahakian (6) , D. A. Sanchez (3) , A. Santangelo (39) , R. Schlickeiser (14) , A. Schulz (9) , U. Schwanke (15) , S. Schwarzburg (39) , S. Schwemmer (23) , F. Sheidaei (13) , J. L. Skilton (3) , H. Sol (16) , G. Spengler (15) , Ł. Stawarz (36) , R. Steenkamp (26) , C. Stegmann (9, 10) , F. Stinzing (7) , K. Stycz (9) , I. Sushch (15) , A. Szostek (36) , J. -P. Tavernet (17) , R. Terrier (13) , M. Tluczykont (1) , C. Trichard (33) , K. Valerius (38) , C. van Eldik (3, 38) , George Vasileiadis (2) , C. Venter (21) , A. Viana (19) , P. Vincent (17) , H. J. Völk (3) , F. Volpe (3) , S. Vorobiov (2) , M. Vorster (21) , S. J. Wagner (34) , M. Ward (8) , R. White (43) , A. Wierzcholska (36) , D. Wouters (19) , M. Zacharias (14) , A. Zajczyk (2, 20) , A. A. Zdziarski (20) , A. Zech (16) , H. -S. Zechlin (1)
1 Institut für Experimentalphysik [Hamburg]
2 LUPM - Laboratoire Univers et Particules de Montpellier
3 MPIK - Max-Planck-Institut für Kernphysik
4 DIAS - Dublin Institute for Advanced Studies
5 NAS RA - National Academy of Sciences of the Republic of Armenia [Yerevan]
6 Yerevan Physics Institute
7 FAU - Friedrich-Alexander Universität Erlangen-Nürnberg = University of Erlangen-Nuremberg
8 Department of Physics [Durham University]
9 DESY - Deutsches Elektronen-Synchrotron [Zeuthen]
10 University of Potsdam = Universität Potsdam
11 Nicolaus Copernicus University [Toruń]
12 LLR - Laboratoire Leprince-Ringuet
13 APC (UMR_7164) - AstroParticule et Cosmologie
14 Astronomisches Institut der Ruhr-Universität Bochum
15 HU Berlin - Humboldt-Universität zu Berlin = Humboldt University of Berlin = Université Humboldt de Berlin
16 LUTH (UMR_8102) - Laboratoire Univers et Théories
17 LPNHE - Laboratoire de Physique Nucléaire et de Hautes Énergies
18 IAAT - Institut für Astronomie und Astrophysik [Tübingen]
19 CEA - CEA- Saclay
20 Astronomical Observatory [Warsaw]
21 NWU - North-West University [Potchefstroom]
22 WITS - University of the Witwatersrand [Johannesburg]
23 ZAH - Zentrum für Astronomie der Universität Heidelberg
24 Oskar Klein Centre [Stockholm]
25 CENBG - Centre d'Etudes Nucléaires de Bordeaux Gradignan
26 NUST - Namibia University of Science and Technology
27 University of South Australia [Adelaide]
28 APC - AHE - APC - Astrophysique des Hautes Energies
29 IPAG - Institut de Planétologie et d'Astrophysique de Grenoble
30 Department of Physics and Astronomy [Leicester]
31 IFJ - Instytut Fizyki Jądrowej PAN
32 Leopold Franzens Universität Innsbruck - University of Innsbruck
33 LAPP - Laboratoire d'Annecy de Physique des Particules
34 Universität Heidelberg [Heidelberg] = Heidelberg University
35 MPIA - Max Planck Institute for Astronomy
36 UJ - Uniwersytet Jagielloński w Krakowie = Jagiellonian University
37 TCfA - Torun Centre for Astronomy
38 Physikalisches Institut [Erlangen]
39 Eberhard Karls Universität Tübingen = University of Tübingen
40 ITP4 - Institut für Theoretische Physik IV [Bochum]
41 Space Research Centre [Torun]
42 Astronomical Institute of Charles University
43 Space Research Centre [Leicester]
Fabio Acero
C. Boisson
F. Brun
P. Brun
S. Casanova
M. Cerruti
R. C. G. Chaves
  • Function : Author
S. Fegan
A. Fiasson
J. F. Glicenstein
  • Function : Author
D. Horns
U. Katz
B. Khélifi
S. Klepser
K. Kosack
J. -P. Lenain
V. Marandon
Julien Masbou
G. Maurin
M. C. Medina
  • Function : Author
Emmanuel Moulin
M. Naumann-Godo
  • Function : Author
M. de Naurois
J. Niemiec
B. Peyaud
  • Function : Author
M. Punch
F. Rieger
G. Rowell
B. Rudak
C. Venter
A. Viana
  • Function : Author
D. Wouters
  • Function : Author
A. Zech

Abstract

Gamma-ray line signatures can be expected in the very-high-energy (VHE; E_\gamma > 100 GeV) domain due to self-annihilation or decay of dark matter (DM) particles in space. Such a signal would be readily distinguishable from astrophysical \gamma-ray sources that in most cases produce continuous spectra which span over several orders of magnitude in energy. Using data collected with the H.E.S.S. \gamma-ray instrument, upper limits on line-like emission are obtained in the energy range between ~500 GeV and ~25 TeV for the central part of the Milky Way halo and for extragalactic observations, complementing recent limits obtained with the Fermi-LAT instrument at lower energies. No statistically significant signal could be found. For monochromatic \gamma-ray line emission, flux limits of (2x10^-7 - 2x10^-5) m^-2 s^-1 sr^-1 and (1x10^-8 - 2x10^-6) m^-2 s^-1 sr^-1 are obtained for the central part of the Milky Way halo and extragalactic observations, respectively. For a DM particle mass of 1 TeV, limits on the velocity-averaged DM annihilation cross section < \sigma v >(\chi\chi -> \gamma\gamma) reach ~10^-27 cm^3 s^-1, based on the Einasto parametrization of the Galactic DM halo density profile.
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in2p3-00780746 , version 1 (04-06-2021)

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A. Abramowski, Fabio Acero, F. Aharonian, A. G. Akhperjanian, G. Anton, et al.. Search for photon line-like signatures from Dark Matter annihilations with H.E.S.S. Physical Review Letters, 2013, 110, pp.041301. ⟨10.1103/PhysRevLett.110.041301⟩. ⟨in2p3-00780746⟩
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