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：

芬兰科学院; 瑞典研究理事会; 美国国家科学基金会; 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.

引用

页数：19

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