Constraints on dark matter models from a Fermi LAT search for high-energy cosmic-ray electrons from the Sun

被引：31

作者：

Ajello, M. ^{[1
,2
]}

Atwood, W. B. ^{[3
,4
]}

Baldini, L. ^{[5
]}

Barbiellini, G. ^{[6
,7
]}

Bastieri, D. ^{[8
,9
]}

Bellazzini, R. ^{[5
]}

Berenji, B. ^{[1
,2
]}

Blandford, R. D. ^{[1
,2
]}

Bloom, E. D. ^{[1
,2
]}

Bonamente, E. ^{[10
,11
]}

Borgland, A. W. ^{[1
,2
]}

Bottacini, E. ^{[1
,2
]}

Bouvier, A. ^{[3
,4
]}

Bregeon, J. ^{[5
]}

Brigida, M. ^{[12
,13
,14
]}

Bruel, P. ^{[15
]}

Buehler, R. ^{[1
,2
]}

Buson, S. ^{[8
,9
]}

Caliandro, G. A. ^{[16
]}

Cameron, R. A. ^{[1
,2
]}

Caraveo, P. A. ^{[17
]}

Cecchi, C. ^{[10
,11
]}

Charles, E. ^{[1
,2
]}

Chekhtman, A. ^{[18
]}

Ciprini, S. ^{[11
,19
]}

Claus, R. ^{[1
,2
]}

Cohen-Tanugi, J. ^{[20
]}

Cutini, S. ^{[19
]}

de Angelis, A. ^{[21
,22
]}

de Palma, F. ^{[12
,13
,14
]}

Dermer, C. D. ^{[23
]}

Digel, S. W. ^{[1
,2
]}

Silva, E. do Couto e ^{[1
,2
]}

Drell, P. S. ^{[1
,2
]}

Favuzzi, C. ^{[12
,13
,14
]}

Fegan, S. J. ^{[15
]}

Focke, W. B. ^{[1
,2
]}

Fukazawa, Y. ^{[24
]}

Fusco, P. ^{[12
,13
,14
]}

Gargano, F. ^{[14
]}

Gehrels, N. ^{[25
]}

Germani, S. ^{[10
,11
]}

Giglietto, N. ^{[12
,13
,14
]}

Giordano, F. ^{[12
,13
,14
]}

Giroletti, M. ^{[26
]}

Glanzman, T. ^{[1
,2
]}

Godfrey, G. ^{[1
,2
]}

Grenier, I. A. ^{[27
]}

Guiriec, S. ^{[28
]}

Gustafsson, M. ^{[8
]}

机构：

[1] Stanford Univ, Dept Phys, Kavli Inst Particle Astrophys & Cosmol, WW Hansen Expt Phys Lab, Stanford, CA 94305 USA

[2] Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA

[3] Univ Calif Santa Cruz, Dept Phys, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA

[4] Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA

[5] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy

[6] Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy

[7] Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy

[8] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy

[9] Univ Padua, Dipartimento Fis G Galilei, I-35131 Padua, Italy

[10] Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy

[11] Univ Perugia, Dipartimento Fis, I-06123 Perugia, Italy

[12] Univ Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy

[13] Politecn Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy

[14] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy

[15] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France

[16] CSIC, IEEE, Inst Ciencies Espai, Barcelona 08193, Spain

[17] INAF Ist Astrofis Spaziale & Fis Cosm, I-20133 Milan, Italy

[18] Artep Inc, Ellicott City, MD 21042 USA

[19] ASI Sci Data Ctr, I-00044 Rome, Italy

[20] Univ Montpellier 2, CNRS, IN2P3, Lab Univers & Particules Montpellier, Montpellier, France

[21] Univ Udine, Dipartimento Fis, I-33100 Udine, Italy

[22] Ist Nazl Fis Nucl, Sez Trieste, Grp Coll Udine, I-33100 Udine, Italy

[23] USN, Res Lab, Div Space Sci, Washington, DC 20375 USA

[24] Hiroshima Univ, Dept Phys Sci, Hiroshima 7398526, Japan

[25] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[26] INAF Ist Radioastron, I-40129 Bologna, Italy

[27] Univ Paris Diderot, CEA Saclay, CEA IRFU, CNRS,Serv Astrophys,Lab AIM, F-91191 Gif Sur Yvette, France

[28] Univ Alabama, CSPAR, Huntsville, AL 35899 USA

[29] Ist Nazl Astrofis, Osservatorio Astron Trieste, I-34143 Trieste, Italy

[30] Univ Iceland, Inst Sci, IS-107 Reykjavik, Iceland

[31] Ibaraki Univ, Coll Sci, Mito, Ibaraki 3108512, Japan

[32] Waseda Univ, Res Inst Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan

[33] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy

[34] Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy

[35] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[36] Univ Maryland, Dept Astron, College Pk, MD 20742 USA

[37] Boise State Univ, Dept Phys, Boise, ID 83725 USA

[38] Hiroshima Univ, Hiroshima Astrophys Sci Ctr, Hiroshima 7398526, Japan

[39] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany

[40] Univ Denver, Dept Phys & Astron, Denver, CO 80208 USA

[41] JAXA, Inst Space & Astronaut Sci, Chuo Ku, Kanagawa 2525210, Japan

[42] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[43] Leopold Franzens Univ Innsbruck, Inst Astro & Teilchenphys, A-6020 Innsbruck, Austria

[44] Leopold Franzens Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria

[45] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, Dept Phys, Columbus, OH 43210 USA

[46] NYCB Real Time Comp Inc, Lattingtown, NY 11560 USA

[47] Purdue Univ Calumet, Dept Chem & Phys, Hammond, IN 46323 USA

[48] CIFS, I-10133 Turin, Italy

[49] IRAP, CNRS, F-31028 Toulouse 4, France

[50] Univ Toulouse, UPS OMP, IRAP, Toulouse, France

来源：

PHYSICAL REVIEW D | 2011年 / 84卷 / 03期

关键词：

LARGE-AREA TELESCOPE; EMISSION;

D O I：

10.1103/PhysRevD.84.032007

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

During its first year of data taking, the Large Area Telescope (LAT) onboard the Fermi Gamma-Ray Space Telescope has collected a large sample of high-energy cosmic-ray electrons and positrons (CREs). We present the results of a directional analysis of the CRE events, in which we searched for a flux excess correlated with the direction of the Sun. Two different and complementary analysis approaches were implemented, and neither yielded evidence of a significant CRE flux excess from the Sun. We derive upper limits on the CRE flux from the Sun's direction, and use these bounds to constrain two classes of dark matter models which predict a solar CRE flux: (1) models in which dark matter annihilates to CREs via a light intermediate state, and (2) inelastic dark matter models in which dark matter annihilates to CREs.

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页数：17

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