Limits to dark matter annihilation cross-section from a combined analysis of MAGIC and Fermi-LAT observations of dwarf satellite galaxies

被引:292
作者
Ahnen, M. L. [1 ]
Ansoldi, S. [2 ,3 ]
Antonelli, L. A. [4 ]
Antoranz, P. [5 ,6 ]
Babic, A. [7 ,8 ]
Banerjee, B. [9 ]
Bangale, P. [10 ]
Barres de Almeida, U. [10 ,35 ]
Barrio, J. A. [11 ]
Gonzalez, J. Becerra [12 ,13 ,36 ,37 ,38 ]
Bednarek, W. [14 ]
Bernardinik, E. [15 ,39 ]
Biasuzzi, B. [2 ,3 ]
Biland, A. [1 ]
Blanch, O. [16 ]
Bonnefoy, S. [11 ]
Bonnoli, G. [4 ]
Borracci, F. [10 ]
Bretz, T. [17 ,40 ]
Carmona, E. [18 ]
Carosi, A. [4 ]
Chatterjee, A. [9 ]
Clavero, R. [12 ,13 ]
Colin, P. [10 ]
Colombo, E. [12 ,13 ]
Contreras, J. L. [11 ]
Cortina, J. [16 ]
Covino, S. [4 ]
Da Vela, P. [5 ,6 ]
Dazzi, F. [10 ]
De Angelis, A. [19 ,20 ]
De Lotto, B. [2 ,3 ]
De Ona Wilhelmi, E. [21 ]
Delgado Mendez, C. [18 ]
Di Pierro, F. [4 ]
Dominis Prester, D. [7 ,8 ]
Dorner, D. [17 ]
Doro, M. [19 ,20 ]
Einecke, S. [22 ]
Eisenacher Glawion, D. [17 ]
Elsaesser, D. [17 ]
Fernandez-Barral, A. [16 ]
Fidalgo, D. [11 ]
Fonseca, M. V. [11 ]
Font, L. [23 ,24 ]
Frantzen, K. [22 ]
Fruck, C. [10 ]
Galindo, D. [25 ]
Garcia Lopez, R. J. [12 ,13 ]
Garczarczyk, M. [15 ]
机构
[1] Swiss Fed Inst Technol, CH-8093 Zurich, Switzerland
[2] Univ Udine, I-33100 Udine, Italy
[3] INFN Trieste, I-33100 Udine, Italy
[4] INAF Natl Inst Astrophys, I-00136 Rome, Italy
[5] Univ Siena, I-53100 Siena, Italy
[6] INFN Pisa, I-53100 Siena, Italy
[7] Univ Split, Univ Rijeka, Rudjer Boskovic Inst, Croatian MAGIC Consortium, Split, Croatia
[8] Univ Zagreb, Zagreb 41000, Croatia
[9] Saha Inst Nucl Phys, 1-AF Bidhannagar,Sect 1, Kolkata 700064, India
[10] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
[11] Univ Complutense, E-28040 Madrid, Spain
[12] Inst Astrofis Canarias, E-38200 Tenerife, Spain
[13] Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain
[14] Univ Lodz, PL-90236 Lodz, Poland
[15] DESY, D-15738 Zeuthen, Germany
[16] Barcelona Inst Sci & Technol, IFAE, Campus UAB, Bellaterra 08193, Barcelona, Spain
[17] Univ Wurzburg, D-97074 Wurzburg, Germany
[18] Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain
[19] Univ Padua, I-35131 Padua, Italy
[20] INFN, I-35131 Padua, Italy
[21] Inst Space Sci CSIC IEEC, E-08193 Barcelona, Spain
[22] Tech Univ Dortmund, D-44221 Dortmund, Germany
[23] Univ Autonoma Barcelona, Dept Fis, Unitat Fis Radiac, E-08193 Bellaterra, Spain
[24] Univ Autonoma Barcelona, CERES IEEC, E-08193 Bellaterra, Spain
[25] Univ Barcelona, ICC, IEEC UB, E-08028 Barcelona, Spain
[26] Univ Tokyo, Dept Phys, ICRR, Japanese MAGIC Consortium, Tokyo 1138654, Japan
[27] Univ Tokushima, Tokai Univ, Kyoto Univ, Hakubi Ctr, Tokushima, Japan
[28] Univ Turku, Finnish MAGIC Consortium, Tuorla Observ, SF-20500 Turku, Finland
[29] Univ Oulu, Dept Phys, SF-90100 Oulu, Finland
[30] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, BU-1784 Sofia, Bulgaria
[31] Univ Pisa, I-56126 Pisa, Italy
[32] INFN Pisa, I-56126 Pisa, Italy
[33] ICREA, E-08193 Barcelona, Spain
[34] Inst Space Sci CSIC IEEC, E-08193 Barcelona, Spain
[35] Ctr Brasileiro Pesquisas Fis, MCTI, R Dr Xavier Sigaud,150 Urca, BR-22290180 Rio De Janeiro, Brazil
[36] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[37] Univ Maryland, Dept Phys, College Pk, MD 20742 USA
[38] Univ Maryland, Dept Astron, College Pk, MD 20742 USA
[39] Humboldt Univ, Inst Phys, Newtonstr 15, D-12489 Berlin, Germany
[40] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland
[41] CEA Saclay, DSM IRFU, Lab AIM, Serv Astrophys, FR-91191 Gif Sur Yvette, France
[42] Japanese MAGIC Consortium, Kyoto, Japan
[43] ESO FINCA, Finnish Ctr Astron, Turku, Finland
[44] INAF Trieste, Trieste, Italy
[45] ISDC Sci Data Ctr Astrophys, CH-1290 Geneva, Switzerland
[46] Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, WW Hansen Expt Phys Lab, Stanford, CA 94305 USA
[47] Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
[48] Stockholm Univ, Alballova, Dept Phys, SE-10691 Stockholm, Sweden
[49] Alballova, Oskar Klein Ctr Cosmoparticle Phys, SE-10691 Stockholm, Sweden
[50] Univ Montpellier, CNRS IN2P3, Lab Univers & Particules Montpellier, F-34059 Montpellier, France
来源
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2016年 / 02期
基金
美国国家科学基金会; 芬兰科学院; 瑞典研究理事会; 美国国家航空航天局;
关键词
dark matter experiments; gamma ray experiments; dwarfs galaxies; neutrino experiments; GAMMA-RAY EMISSION; LARGE-AREA TELESCOPE; GALACTIC-CENTER; MAJOR UPGRADE; SEARCH; CONSTRAINTS; DECAY;
D O I
10.1088/1475-7516/2016/02/039
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the first joint analysis of gamma-ray data from the MAGIC Cherenkov telescopes and the Fermi Large Area Telescope (LAT) to search for gamma-ray signals from dark matter annihilation in dwarf satellite galaxies. We combine 158 hours of Segue 1 observations with MAGIC with 6-year observations of 15 dwarf satellite galaxies by the Fermi-LAT. We obtain limits on the annihilation cross-section for dark matter particle masses between 10 GeV and 100 TeV - the widest mass range ever explored by a single gamma-ray analysis. These limits improve on previously published Fermi-LAT and MAGIC results by up to a factor of two at certain masses. Our new inclusive analysis approach is completely generic and can be used to perform a global, sensitivity-optimized dark matter search by combining data from present and future gamma-ray and neutrino detectors.
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页数:19
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