HESS Limits on Linelike Dark Matter Signatures in the 100 GeV to 2 TeV Energy Range Close to the Galactic Center

Abdalla, H.; Abramowski, A.; Aharonian, F.; Benkhali, F. Ait; Akhperjanian, A. G.; Andersson, T.; Anguener, E. O.; Arrieta, M.; Aubert, P.; Backes, M.; Balzer, A.; Barnard, M.; Becherini, Yvonne; Tjus, J. Becker; Berge, D.; Bernhard, S.; Bernloehr, K.; Birsin, E.; Blackwell, R.; Boettcher, M.; Boisson, C.; Bolmont, J.; Bordas, P.; Bregeon, J.; Brun, F.; Brun, P.; Bryan, M.; Bulik, T.; Capasso, M.; Carr, J.; Casanova, S.; Chakraborty, N.; Chalme-Calvet, R.; Chaves, R. C. G.; Chen, A.; Chevalier, J.; Chretien, M.; Colafrancesco, S.; Cologna, G.; Condon, B.; Conrad, J.; Couturier, C.; Cui, Y.; Davids, I. D.; Degrange, B.; Deil, C.; Devin, J.; de Wilt, P.; Djannati-Ataie, A.; Domainko, W.; Donath, A.; Drury, L. O 'C.; Dubus, G.; Dutson, K.; Dyks, J.; Dyrda, M.; Edwards, T.; Egberts, K.; Eger, P.; Ernenwein, J. -P; Eschbach, S.; Farnier, Christian; Fegan, S.; Fernandes, M. V.; Fiasson, A.; Fontaine, G.; Foerster, A.; Funk, S.; Fuessling, M.; Gabici, S.; Gajdus, M.; Gallant, Y. A.; Garrigoux, T.; Giavitto, G.; Giebels, B.; Glicenstein, J. F.; Gottschall, D.; Goyal, A.; Grondin, M. -H; Grudzinska, M.; Hadasch, D.; Hahn, J.; Hawkes, J.; Heinzelmann, G.; Henri, G.; Hermann, G.; Hervet, O.; Hillert, A.; Hinton, J. A.; Hofmann, W.; Hoischen, C.; Holler, M.; Horns, D.; Ivascenko, A.; Jacholkowska, A.; Jamrozy, M.; Janiak, M.; Jankowsky, D.; Jankowsky, F.; Jingo, M.; Jogler, T.; Jouvin, L.; Jung-Richardt, I.; Kastendieck, M. A.; Katarzynski, K.; Katz, U.; Kerszberg, D.; Khelifi, B.; Kieffer, M.; King, J.; Klepser, S.; Klochkov, D.; Kluzniak, W.; Kolitzus, D.; Komin, Nu.; Kosack, K.; Krakau, S.; Kraus, M.; Krayzel, F.; Krueger, P. P.; Laffon, H.; Lamanna, G.; Lau, J.; Lees, J. -P; Lefaucheur, J.; Lefranc, V.; Lemiere, A.; Lemoine-Goumard, M.; Lenain, J. -P; Leser, E.; Liu, R.; Lohse, T.; Lorentz, M.; Lypova, I.; Marandon, V.; Marcowith, A.; Mariaud, C.; Marx, R.; Maurin, G.; Maxted, N.; Mayer, M.; Meintjes, P. J.; Meyer, M.; Mitchell, A. M. W.; Moderski, R.; Mohamed, M.; Mora, K.; Moulin, E.; Murach, T.; de Naurois, M.; Niederwanger, F.; Niemiec, J.; Oakes, L.; O'Brien, P.; Odaka, H.; Ohm, S.; Ostrowski, M.; Oettl, S.; Oya, I.; Padovani, M.; Panter, M.; Parsons, R. D.; Arribas, M. Paz; Pekeur, N. W.; Pelletier, G.; Perennes, C.; Petrucci, P. -O; Peyaud, B.; Pita, S.; Poon, H.; Prokhorov, Dmitry; Prokoph, Heike; Puehlhofer, G.; Punch, Michael; Quirrenbach, A.; Raab, S.; Reimer, A.; Reimer, O.; Renaud, M.; Reyes, R. de los; Rieger, F.; Romoli, C.; Rosier-Lees, S.; Rowell, G.; Rudak, B.; Rulten, C. B.; Sahakian, V.; Salek, D.; Sanchez, D. A.; Santangelo, A.; Sasaki, M.; Schlickeiser, R.; Schuessler, F.; Schulz, A.; Schwanke, U.; Schwemmer, S.; Settimo, M.; Seyffert, A. S.; Shafi, N.; Shilon, I.; Simoni, R.; Sol, H.; Spanier, F.; Spengler, G.; Spies, F.; Stawarz, L.; Steenkamp, R.; Stegmann, C.; Stinzing, F.; Stycz, K.; Sushch, I.; Tavernet, J. -P; Tavernier, T.; Taylor, A. M.; Terrier, R.; Tibaldo, L.; Tluczykont, M.; Trichard, C.; Tuffs, R.; van der Walt, J.; van Eldik, C.; van Soelen, B.; Vasileiadis, G.; Veh, J.; Venter, C.; Viana, A.; Vincent, P.; Vink, J.; Voisin, F.; Voelk, H. J.; Vuillaume, T.; Wadiasingh, Z.; Wagner, S. J.; Wagner, P.; Wagner, R. M.; White, R.; Wierzcholska, A.; Willmann, P.; Woernlein, A.; Wouters, D.; Yang, R.; Zabalza, V.; Zaborov, D.; Zacharias, M.; Zdziarski, A. A.; Zech, A.; Zefi, F.; Ziegler, A.; Zywucka, N.

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HESS Limits on Linelike Dark Matter Signatures in the 100 GeV to 2 TeV Energy Range Close to the Galactic Center

Abdalla, H.

North West Univ, South Africa.

Abramowski, A.

Univ Hamburg, Germany.

Aharonian, F.

Max Planck Inst Kernphys, Germany.

Benkhali, F. Ait

Max Planck Inst Kernphys, Germany.

Akhperjanian, A. G.

Andersson, T.

Anguener, E. O.

Arrieta, M.

Aubert, P.

Backes, M.

Balzer, A.

Barnard, M.

Becherini, Yvonne

Tjus, J. Becker

Berge, D.

Bernhard, S.

Bernloehr, K.

Birsin, E.

Blackwell, R.

Boettcher, M.

Boisson, C.

Bolmont, J.

Bordas, P.

Bregeon, J.

Brun, F.

Brun, P.

Bryan, M.

Bulik, T.

Capasso, M.

Carr, J.

Casanova, S.

Chakraborty, N.

Chalme-Calvet, R.

Chaves, R. C. G.

Chen, A.

Chevalier, J.

Chretien, M.

Colafrancesco, S.

Cologna, G.

Condon, B.

Conrad, J.

Couturier, C.

Cui, Y.

Davids, I. D.

Degrange, B.

Deil, C.

Devin, J.

de Wilt, P.

Djannati-Ataie, A.

Domainko, W.

Donath, A.

Drury, L. O 'C.

Dubus, G.

Dutson, K.

Dyks, J.

Dyrda, M.

Edwards, T.

Egberts, K.

Eger, P.

Ernenwein, J. -P

Eschbach, S.

Farnier, Christian

Fegan, S.

Fernandes, M. V.

Fiasson, A.

Fontaine, G.

Foerster, A.

Funk, S.

Fuessling, M.

Gabici, S.

Gajdus, M.

Gallant, Y. A.

Garrigoux, T.

Giavitto, G.

Giebels, B.

Glicenstein, J. F.

Gottschall, D.

Goyal, A.

Grondin, M. -H

Grudzinska, M.

Hadasch, D.

Hahn, J.

Hawkes, J.

Heinzelmann, G.

Henri, G.

Hermann, G.

Hervet, O.

Hillert, A.

Hinton, J. A.

Hofmann, W.

Hoischen, C.

Holler, M.

Horns, D.

Ivascenko, A.

Jacholkowska, A.

Jamrozy, M.

Janiak, M.

Jankowsky, D.

Jankowsky, F.

Jingo, M.

Jogler, T.

Jouvin, L.

Jung-Richardt, I.

Kastendieck, M. A.

Katarzynski, K.

Katz, U.

Kerszberg, D.

Khelifi, B.

Kieffer, M.

King, J.

Klepser, S.

Klochkov, D.

Kluzniak, W.

Kolitzus, D.

Komin, Nu.

Kosack, K.

Krakau, S.

Kraus, M.

Krayzel, F.

Krueger, P. P.

Laffon, H.

Lamanna, G.

Lau, J.

Lees, J. -P

Lefaucheur, J.

Lefranc, V.

Lemiere, A.

Lemoine-Goumard, M.

Lenain, J. -P

Leser, E.

Liu, R.

Lohse, T.

Lorentz, M.

Lypova, I.

Marandon, V.

Marcowith, A.

Mariaud, C.

Marx, R.

Maurin, G.

Maxted, N.

Mayer, M.

Meintjes, P. J.

Meyer, M.

Mitchell, A. M. W.

Moderski, R.

Mohamed, M.

Mora, K.

Moulin, E.

Murach, T.

de Naurois, M.

Niederwanger, F.

Niemiec, J.

Oakes, L.

O'Brien, P.

Odaka, H.

Ohm, S.

Ostrowski, M.

Oettl, S.

Oya, I.

Padovani, M.

Panter, M.

Parsons, R. D.

Arribas, M. Paz

Pekeur, N. W.

Pelletier, G.

Perennes, C.

Petrucci, P. -O

Peyaud, B.

Pita, S.

Poon, H.

Prokhorov, Dmitry

Prokoph, Heike

Puehlhofer, G.

Punch, Michael

Quirrenbach, A.

Raab, S.

Reimer, A.

Reimer, O.

Renaud, M.

Reyes, R. de los

Rieger, F.

Romoli, C.

Rosier-Lees, S.

Rowell, G.

Rudak, B.

Rulten, C. B.

Sahakian, V.

Salek, D.

Sanchez, D. A.

Santangelo, A.

Sasaki, M.

Schlickeiser, R.

Schuessler, F.

Schulz, A.

Schwanke, U.

Schwemmer, S.

Settimo, M.

Seyffert, A. S.

Shafi, N.

Shilon, I.

Simoni, R.

Sol, H.

Spanier, F.

Spengler, G.

Spies, F.

Stawarz, L.

Steenkamp, R.

Stegmann, C.

Stinzing, F.

Stycz, K.

Sushch, I.

Tavernet, J. -P

Tavernier, T.

Taylor, A. M.

Terrier, R.

Tibaldo, L.

Tluczykont, M.

Trichard, C.

Tuffs, R.

van der Walt, J.

van Eldik, C.

van Soelen, B.

Vasileiadis, G.

Veh, J.

Venter, C.

Viana, A.

Vincent, P.

Vink, J.

Voisin, F.

Voelk, H. J.

Vuillaume, T.

Wadiasingh, Z.

Wagner, S. J.

Wagner, P.

Wagner, R. M.

White, R.

Wierzcholska, A.

Willmann, P.

Woernlein, A.

Wouters, D.

Yang, R.

Zabalza, V.

Zaborov, D.

Zacharias, M.

Zdziarski, A. A.

Zech, A.

Zefi, F.

Ziegler, A.

Zywucka, N.

Show others and affiliations

2016 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 117, no 15, article id 151302Article in journal (Refereed) Published

Abstract [en]

A search for dark matter linelike signals iss performed in the vicinity of the Galactic Center by the H.E.S.S. experiment on observational data taken in 2014. An unbinned likelihood analysis iss developed to improve the sensitivity to linelike signals. The upgraded analysis along with newer data extend the energy coverage of the previous measurement down to 100 GeV. The 18 h of data collected with the H.E.S.S. array allow one to rule out at 95% C.L. the presence of a 130 GeV line (at l = -1.5 degrees, b = 0 degrees and for a dark matter profile centered at this location) previously reported in Fermi-LAT data. This new analysis overlaps significantly in energy with previous Fermi-LAT and H.E.S.S. results. No significant excess associated with dark matter annihilations was found in the energy range of 100 GeV to 2 TeV and upper limits on the gamma-ray flux and the velocity weighted annihilation cross section are derived adopting an Einasto dark matter halo profile. Expected limits for present and future large statistics H.E.S.S. observations are also given.

Place, publisher, year, edition, pages

2016. Vol. 117, no 15, article id 151302

National Category

Astronomy, Astrophysics and Cosmology

Research subject

Physics, Astroparticle Physics

Identifiers

URN: urn:nbn:se:lnu:diva-58084DOI: 10.1103/PhysRevLett.117.151302ISI: 000385341900005Scopus ID: 2-s2.0-84992144167OAI: oai:DiVA.org:lnu-58084DiVA, id: diva2:1046086

Available from: 2016-11-11 Created: 2016-11-11 Last updated: 2017-12-07Bibliographically approved

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Becherini, Yvonne Farnier, Christian Prokhorov, Dmitry Prokoph, Heike Punch, Michael

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