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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Search for Dark Matter Annihilations towards the Inner Galactic Halo from 10 Years of Observations with H.E.S.S.
Physical Review Letters, Volume 117, No. 11, Article 111301, Year 2016
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Description
The inner region of the Milky Way halo harbors a large amount of dark matter (DM). Given its proximity, it is one of the most promising targets to look for DM. We report on a search for the annihilations of DM particles using γ-ray observations towards the inner 300 pc of the Milky Way, with the H.E.S.S. array of ground-based Cherenkov telescopes. The analysis is based on a 2D maximum likelihood method using Galactic Center (GC) data accumulated by H.E.S.S. over the last 10 years (2004-2014), and does not show any significant γ-ray signal above background. Assuming Einasto and Navarro-Frenk-White DM density profiles at the GC, we derive upper limits on the annihilation cross section v. These constraints are the strongest obtained so far in the TeV DM mass range and improve upon previous limits by a factor 5. For the Einasto profile, the constraints reach v values of 6×10-26 cm3 s-1 in the W+W- channel for a DM particle mass of 1.5 TeV, and 2×10-26 cm3 s-1 in the τ+τ- channel for a 1 TeV mass. For the first time, ground-based γ-ray observations have reached sufficient sensitivity to probe v values expected from the thermal relic density for TeV DM particles. © 2016 American Physical Society.
Authors & Co-Authors
Abdallah, H.
South Africa, Potchefstroom
North-west University
Abramowski, Attila
Germany, Hamburg
Universität Hamburg
Aharonian, F. A.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Ireland, Dublin
Institiúid Ard-lénn Bhaile Átha Cliath
Armenia, Yerevan
National Academy of Sciences of the Republic of Armenia
Ait Benkhali, F.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Akhperjanian, Ashot G.
Armenia, Yerevan
National Academy of Sciences of the Republic of Armenia
Armenia, Yerevan
Yerevan Physics Institute
Angüner, Ekrem Oǧuzhan
Germany, Berlin
Humboldt-universität zu Berlin
Arrieta, M.
France, Paris
Université Psl
Aubert, Pierre
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Backes, Michael
Namibia, Windhoek
University of Namibia
Balzer, Arnim
Netherlands, Amsterdam
Universiteit Van Amsterdam
Barnard, Monica A.
South Africa, Potchefstroom
North-west University
Becherini, Yvonne
Sweden, Vaxjo
Linnaeus University, Växjö
Becker-Tjus, Julia
Germany, Bochum
Ruhr-universitat Bochum
Berge, David
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Bernhard, Sabrina
Austria, Innsbruck
Universität Innsbruck
Bernlöhr, Konrad
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Germany, Berlin
Humboldt-universität zu Berlin
Birsin, Emrah
Germany, Berlin
Humboldt-universität zu Berlin
Blackwell, Rebecca
Australia, Adelaide
The University of Adelaide
Boettcher, M.
South Africa, Potchefstroom
North-west University
Boisson, Catherine
France, Paris
Université Psl
Bolmont, Julien
France, Paris
Sorbonne Université
Bordas, Pol
Germany, Tubingen
Eberhard Karls Universität Tübingen
Bregeon, Johan
France, Montpellier
Université de Montpellier
Brun, François
France, Gif-sur-yvette
Cea Saclay
Brun, Pierre
France, Gif-sur-yvette
Cea Saclay
Bryan, Marta L.
Netherlands, Amsterdam
Universiteit Van Amsterdam
Bulk, Tomasz
Poland, Warsaw
University of Warsaw
Capasso, Massimo
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Carr, John S.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Casanova, Sabrina
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Poland, Krakow
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
Chakraborty, Nachiketa
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Chalmé-Calvet, Raphaël
France, Paris
Sorbonne Université
Chaves, Ryan C.G.
France, Montpellier
Université de Montpellier
Chen, Andrew W.
South Africa, Johannesburg
University of the Witwatersrand
Chevalier, Jill
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Chrétien, Mathieu
France, Paris
Sorbonne Université
Colafrancesco, Sergio
South Africa, Johannesburg
University of the Witwatersrand
Cologna, Gabriele
Germany, Heidelberg
Universität Heidelberg
Condon, Benjamin
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Conrad, Jan
Sweden, Stockholm
Albanova Universitetscentrum
Sweden, Stockholm
Wallenberg Academy
Couturier, C.
France, Paris
Sorbonne Université
Cui, Yudong
Germany, Tubingen
Eberhard Karls Universität Tübingen
Davids, Isak Delberth
South Africa, Potchefstroom
North-west University
Namibia, Windhoek
University of Namibia
Degrange, Bernard
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Deil, Christoph
Germany, Heidelberg
Max-planck-institut Für Kernphysik
DeWilt, P.
Australia, Adelaide
The University of Adelaide
Djannati-Ataï, Arache
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Domainko, Wilfried F.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Donath, Axel
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Drury, L. O.C.
Ireland, Dublin
Institiúid Ard-lénn Bhaile Átha Cliath
Dubus, Guillaume
France, Saint Martin D'heres
Verimag
Dutson, Kate L.
United Kingdom, Leicester
University of Leicester
Dyks, Jarosław
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Dyrda, Michael
Poland, Krakow
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
Egberts, Kathrin
Germany, Potsdam
Universität Potsdam
Eger, Peter A.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Ernenwein, Jean Pierre
France, Marseille
Aix Marseille Université
Eschbach, Stefan
France, Marseille
Aix Marseille Université
Farnier, Christian
Sweden, Stockholm
Albanova Universitetscentrum
Fegan, Stephen J.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Fernandes, Milton Virgílio
Germany, Hamburg
Universität Hamburg
Fiasson, Armand
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Fontaine, Gérard
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Förster, Andreas
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Funk, Stefan
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Füssling, Matthias
Germany, Potsdam
Universität Potsdam
Gabici, Stefano
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Gajdus, Michael
Germany, Berlin
Humboldt-universität zu Berlin
Gallant, Yves A.
France, Montpellier
Université de Montpellier
Garrigoux, Tania
South Africa, Potchefstroom
North-west University
Giavitto, Gianluca
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Giebels, Berrie
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Glicenstein, Jean François
France, Gif-sur-yvette
Cea Saclay
Gottschall, Daniel
Germany, Tubingen
Eberhard Karls Universität Tübingen
Goyal, Arti
Poland, Krakow
Uniwersytet Jagielloński
Grondin, Marie Hélène
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Grudzínska, Mira
Poland, Warsaw
University of Warsaw
Hadasch, Daniela
Austria, Innsbruck
Universität Innsbruck
Hahn, Joachim
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Hawkes, Jarryd
Australia, Adelaide
The University of Adelaide
Heinzelmann, Götz
Germany, Hamburg
Universität Hamburg
Henri, Gilles
France, Saint Martin D'heres
Verimag
Hermann, German
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Hervet, Olivier
France, Paris
Université Psl
Hillert, Andreas
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Hinton, James A.J.A.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
United Kingdom, Leicester
University of Leicester
Hofmann, Werner
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Hoischen, Clemens
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Holler, Markus
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Horns, Dieter
Germany, Hamburg
Universität Hamburg
Ivascenko, Alex
South Africa, Potchefstroom
North-west University
Jachołkowska, Agnieszka
France, Paris
Sorbonne Université
Jamrozy, Marek
Poland, Krakow
Uniwersytet Jagielloński
Janiak, Mateusz
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Jankowsky, David
France, Montpellier
Université de Montpellier
Jankowsky, Felix
Germany, Heidelberg
Universität Heidelberg
Jingo, Maxwell
South Africa, Johannesburg
University of the Witwatersrand
Jogler, Tobias
France, Montpellier
Université de Montpellier
Jouvin, Léa
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Jung-Richardt, Ira V.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Kastendieck, Max Anton
Germany, Hamburg
Universität Hamburg
Katarzyński, Krzysztof
Poland, Torun
Uniwersytet Mikołaja Kopernika w Toruniu
Katz, Ulrich F.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Kerszberg, Daniel
France, Paris
Sorbonne Université
Khélifi, Bruno
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Kieffer, M.
France, Paris
Sorbonne Université
King, Johannes
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Klepser, Stefan
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Klochkov, Dmitry K.
Germany, Tubingen
Eberhard Karls Universität Tübingen
Klužniak, Wlodzimierz
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Kolitzus, D.
South Africa, Potchefstroom
North-west University
Komin, Nukri
South Africa, Johannesburg
University of the Witwatersrand
Kosack, Karl
France, Gif-sur-yvette
Cea Saclay
Krakau, S.
Germany, Bochum
Ruhr-universitat Bochum
Krayzel, Fabien
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Krüger, P. P.
South Africa, Potchefstroom
North-west University
Laffon, Hélène
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Lamanna, Giovanni
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Lau, James C.
Australia, Adelaide
The University of Adelaide
Lees, Jean Pierre
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Lefranc, Valentin
France, Gif-sur-yvette
Cea Saclay
Lemière, Anne
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Lemoine-Goumard, Marianne
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Lenain, Jean Philippe
France, Paris
Sorbonne Université
Lohse, Thomas
Germany, Berlin
Humboldt-universität zu Berlin
Lypova, Iryna
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Marandon, Vincent
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Marcowith, Alexandre
France, Montpellier
Université de Montpellier
Marx, Ramin
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Maurin, Guillaume T.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Maxted, Nigel I.
Australia, Adelaide
The University of Adelaide
Mayer, Michael
Germany, Potsdam
Universität Potsdam
Meintjes, Pieter J.
South Africa, Bloemfontein
University of the Free State
Meyer, Manuel S.
Sweden, Stockholm
Albanova Universitetscentrum
Mitchell, Alison M.W.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Moderski, Rafaƚ
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Mohamed, Mahmoud
Germany, Heidelberg
Universität Heidelberg
Mora, Karen Salomé Caballero
Sweden, Stockholm
Albanova Universitetscentrum
Moulin, E.
France, Gif-sur-yvette
Cea Saclay
Murach, Thomas
Germany, Berlin
Humboldt-universität zu Berlin
de Naurois, Mathieu
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Niemiec, Jacek
Poland, Krakow
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
Ohm, Stefan
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Ostrowski, Michałl
Poland, Krakow
Uniwersytet Jagielloński
Oya, Igor
Germany, Berlin
Humboldt-universität zu Berlin
Padovani, Marco
Austria, Innsbruck
Universität Innsbruck
Panter, M.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Parsons, Robert Daniel
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Pekeur, Nikki W.
South Africa, Potchefstroom
North-west University
Pelletier, Guy
France, Saint Martin D'heres
Verimag
Petrucci, Pierre Olivier
France, Saint Martin D'heres
Verimag
Pita, Santiago
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Poon, Helen
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Prokhorov, Dmitry A.
Sweden, Vaxjo
Linnaeus University, Växjö
Prokoph, Heike
Sweden, Vaxjo
Linnaeus University, Växjö
Pûhlhofer, Gerd
Germany, Tubingen
Eberhard Karls Universität Tübingen
Punch, Michael
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Quirrenbach, Andreas
Germany, Heidelberg
Universität Heidelberg
Reimer, Anita
South Africa, Potchefstroom
North-west University
Reimer, Olaf
South Africa, Potchefstroom
North-west University
Renaud, Matthieu
France, Montpellier
Université de Montpellier
De Los Reyes, Raquel R.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Rieger, Frank M.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Rosier-Lees, Sylvie
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Rowell, Gavin P.
Australia, Adelaide
The University of Adelaide
Rudak, Bronisław
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Rulten, Cameron B.
France, Paris
Université Psl
Sahakian, Vardan H.
Armenia, Yerevan
National Academy of Sciences of the Republic of Armenia
Armenia, Yerevan
Yerevan Physics Institute
Šálek, David
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Sánchez, David A.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Santangelo, Andrea E.
Germany, Tubingen
Eberhard Karls Universität Tübingen
Sasaki, Manami
Germany, Tubingen
Eberhard Karls Universität Tübingen
Schlickeiser, Reinhard
Germany, Bochum
Ruhr-universitat Bochum
Schüssler, Fabian
France, Gif-sur-yvette
Cea Saclay
Schwanke, Ullrich
Germany, Berlin
Humboldt-universität zu Berlin
Seyffert, Albertus S.
South Africa, Potchefstroom
North-west University
Shafi, Nebiha
South Africa, Johannesburg
University of the Witwatersrand
Sol, Hélène
France, Paris
Université Psl
Spanier, Felix
South Africa, Potchefstroom
North-west University
Spengler, Gerrit
Sweden, Stockholm
Albanova Universitetscentrum
Stawarz, Łukasz
Poland, Krakow
Uniwersytet Jagielloński
Steenkamp, R.
Namibia, Windhoek
University of Namibia
Stegmann, Christian
Germany, Potsdam
Universität Potsdam
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Stinzing, Friedrich
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Sushch, Iurii
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Tavernet, Jean Paul
France, Paris
Sorbonne Université
Terrier, Régis
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Tluczykont, Martin
Germany, Hamburg
Universität Hamburg
Tuffs, Richard J.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Van Der Walt, Johan
South Africa, Potchefstroom
North-west University
Van Eldik, Christopher
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
van Soelen, Brian V.A.N.
South Africa, Bloemfontein
University of the Free State
Vasileiadis, Georges
France, Montpellier
Université de Montpellier
Venter, C.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Viana, Aion A.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Vincent, P.
France, Paris
Sorbonne Université
Vink, Jacco S.
Netherlands, Amsterdam
Universiteit Van Amsterdam
Voisin, Fabien J.
Australia, Adelaide
The University of Adelaide
Völk, Heinrich J.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Wadiasingh, Zorawar
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Wagner, Stefan J.
Germany, Heidelberg
Universität Heidelberg
Wagner, Philipp
Germany, Berlin
Humboldt-universität zu Berlin
White, Richard J.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
United Kingdom, Leicester
University of Leicester
Wierzcholska, Alicja
Poland, Krakow
Uniwersytet Jagielloński
Wouters, Denis
France, Gif-sur-yvette
Cea Saclay
Yang, Ruizhi
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Zabalza, Víctor
Germany, Heidelberg
Max-planck-institut Für Kernphysik
United Kingdom, Leicester
University of Leicester
Zaborov, Dmitry N.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Zacharias, Michael
Germany, Heidelberg
Universität Heidelberg
Zdziarski, Andrzej A.
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Zech, Andreas
France, Paris
Université Psl
Z̀ywucka, Natalia
Poland, Krakow
Uniwersytet Jagielloński
Statistics
Citations: 252
Authors: 212
Affiliations: 37
Identifiers
Doi:
10.1103/PhysRevLett.117.111301
ISSN:
00319007