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Erratum to ''Observations of the Sagittarius dwarf galaxy by the HESS experiment and search for a dark matter signal'' [Astropart. Phys. 29(1) (2008) 55--62]

F. Aharonian,A. G. Akhperjanian,A. R. Bazer‐Bachi,M. Beilicke,W. Benbow,D. Berge,K. Bernlöhr,C. Boisson,O. Bolz,V. Borrel,I. Braun,E. Brion,A. M. Brown,R. Bühler,I. Büsching,T. Boutelier,S. Carrigan,P. M. Chadwick,L.-M. Chounet,G. Coignet,R. Cornils,L. Costamante,B. Degrange,Helen Dickinson,A. Djannati-Ataï,L. O.'C. Drury,G. Dubus,K. Egberts,D. Emmanoulopoulos,P. Espigat,C. Farnier, F. Feinstein,E. Ferrero,A. Fiasson,G. Fontaine, S. Funk,S. Funk,M. Füssling,y. A. Gallant,B. Giebels,J. F. Glicenstein,B. Glück,P. Goret,C. Hadjichristidis,D. Hauser,M. Hauser,G. Heinzelmann, G. Henri,G. Hermann,J. A. Hinton,A. Hoffmann,W. Hofmann,M. Holleran,S. Hoppe,D. Horns,A. Jacholkowska,O. C. de Jager,E. Kendziorra,M. Kerschhaggl,B. Khélifi,Nu. Komin,K. Kosack,G. Lamanna,I. J. Latham,R. Le Gallou,A. Lemière,M. Lemoine-Goumard,T. Lohse,J. M. Martin,O. Martineau-Huynh,A. Marcowith,C. Masterson,G. Maurin,T. J. L. McComb,Emmanuel Moulin,M. de Naurois,D. Nedbal,S. J. Nolan,A. Noutsos,E. Nuss,J.-P. Olive,K. J. Orford,J. L. Osborne,M. Panter,G. Pelletier,P.-O. Petrucci,S. Pita, G. Pühlhofer,M. Punch,S. Ranchon,B. C. Raubenheimer,M. Raue,S. M. Rayner,J. Ripken,L. Rob,L. Rolland,S. Rosier-Lees,G. Rowell,V. Sahakian,A. Santangelo,L. Saugé,S. Schlenker,R. Schlickeiser,R. Schröder,U. Schwanke,S. Schwarzburg,S. Schwemmer,A. Shalchi,H. Sol,D. Spangler,F. Spanier,R. Steenkamp,C. Stegmann,G. Superina,P. H. Tam,J.-P. Tavernet,R. Terrier,M. Tluczykont,C. van Eldik,G. Vasileiadis,C. Venter,J. P. Vialle,P. Vincent,M. Vivier,H. J. Völk,Stefan Joachim Wagner,M. Ward

Astroparticle Physics(2010)

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摘要
Observations of the Sagittarius dwarf spheroidal (Sgr dSph) galaxy were carried out with the H.E.S.S. array of four imaging air Cherenkov telescopes in June 2006. A total of 11 hours of high quality data are available after data selection. There is no evidence for a very high energy gamma-ray signal above the energy threshold at the target position. A 95% C.L. flux limit of 3.6 x 10-12 cm-2s-1 above 250 GeV has been derived. Constraints on the velocity-weighted cross section are calculated in the framework of Dark Matter particle annihilation using realistic models for the Dark Matter halo profile of Sagittarius dwarf galaxy. Two different models have been investigated encompassing a large class of halo types. A 95% C.L. exclusion limit on of the order of 2 x 10-25 cm3s-1 is obtained for a core profile in the 100 GeV - 1 TeV neutralino mass range.
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关键词
dark matter signal,sagittarius dwarf galaxy,dark matter,astropart,erratum
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