Dark matter implications of Fermi-LAT measurement of anisotropies in the diffuse gamma-ray background

被引：14

作者：

Gomez-Vargas, G. A. ^{[1
,2
,3
]}

Cuoco, A. ^{[4
]}

Linden, T. ^{[5
]}

Sanchez-Conde, M. A. ^{[6
,7
]}

Siegal-Gaskins, J. M. ^{[8
]}

Delahaye, T. ^{[2
,9
,10
]}

Fornasa, M. ^{[11
]}

Komatsu, E. ^{[12
,13
,14
,15
]}

Prada, F. ^{[2
,16
,17
]}

Zavala, J. ^{[18
,19
]}

机构：

[1] Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain

[2] Univ Autonoma Madrid, Inst Fis Teor IFT UAM CSIC, E-28049 Madrid, Spain

[3] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, Rome, Italy

[4] AlbaNova, Oskar Klein Ctr Cosmo Particle Phys, SE-10691 Stockholm, Sweden

[5] Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA

[6] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[7] Kavli Inst Particle Astrophys & Cosmol, Menlo Pk, CA 94025 USA

[8] CALTECH, Pasadena, CA 91125 USA

[9] Univ Savoie, CNRS, LAPTh, F-74941 Annecy Le Vieux, France

[10] Univ Paris 06, CNRS, UMR 7095, Inst Astrophys Paris, F-75014 Paris, France

[11] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England

[12] Max Planck Inst Astrophys, D-85741 Garching, Germany

[13] Univ Tokyo, Todai Inst Adv Study, WPI, Kavli IPMU, Kashiwa, Chiba 2778583, Japan

[14] Univ Texas Austin, Texas Cosmol Ctr, Austin, TX 78712 USA

[15] Univ Texas Austin, Dept Astron, Austin, TX 78712 USA

[16] Campus Int Excellence UAM CSIC, E-28049 Madrid, Spain

[17] CSIC, Inst Astrofis Andalucia, E-18080 Granada, Spain

[18] Perimeter Inst Theoret Phys, Waterloo, ON N2L 2Y5, Canada

[19] Univ Waterloo, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2014年 / 742卷

关键词：

Astroparticle physics; Extragalactic gamma-ray background; Dark matter; Anisotropies; 1ST;

D O I：

10.1016/j.nima.2013.11.009

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The detailed origin of the diffuse gamma-ray background is still unknown. However, the contribution of unresolved sources is expected to induce small-scale anisotropies in this emission, which may provide a way to identify and constrain the properties of its contributors. Recent studies have predicted the contributions to the angular power spectrum (APS) from extragalactic and galactic dark matter (DM) annihilation or decay. The Fermi-LAT collaboration reported detection of angular power with a significance larger than 3 sigma in the energy range from 1 GeV to 10 GeV on 22 months of data (Ackermann et al., 2012 [2]). For these preliminary results the already published Fermi-LAT APS measurements (Ackermann et al., 2012 [2]) are compared to the accurate predictions for DM anisotropies from state-of-the-art cosmological simulations as presented in Fornasa et at (2013) [1] to derive constraints on different DM candidates. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：149 / 153

页数：5

共 15 条

[1] Spectrum of the Isotropic Diffuse Gamma-Ray Emission Derived from First-Year Fermi Large Area Telescope Data [J].

abdo, A. A. ;

Ackermann, M. ;

Ajello, M. ;

Atwood, W. B. ;

Baldini, L. ;

Ballet, J. ;

Barbiellini, G. ;

Bastieri, D. ;

Baughman, B. M. ;

Bechtol, K. ;

Bellazzini, R. ;

Berenji, B. ;

Blandford, R. D. ;

Bloom, E. D. ;

Bonamente, E. ;

Borgland, A. W. ;

Bregeon, J. ;

Brez, A. ;

Brigida, M. ;

Bruel, P. ;

Burnett, T. H. ;

Buson, S. ;

Caliandro, G. A. ;

Cameron, R. A. ;

Caraveo, P. A. ;

Casandjian, J. M. ;

Cavazzuti, E. ;

Cecchi, C. ;

Celik, Oe ;

Charles, E. ;

Chekhtman, A. ;

Cheung, C. C. ;

Chiang, J. ;

Ciprini, S. ;

Claus, R. ;

Cohen-Tanugi, J. ;

Cominsky, L. R. ;

Conrad, J. ;

Cutini, S. ;

Dermer, C. D. ;

de Angelis, A. ;

de Palma, F. ;

Digel, S. W. ;

Di Bernardo, G. ;

do Couto e Silva, E. ;

Drell, P. S. ;

Drlica-Wagner, A. ;

Dubois, R. ;

Dumora, D. ;

Farnier, C. .

PHYSICAL REVIEW LETTERS, 2010, 104 (10)

[2] FERMI LARGE AREA TELESCOPE FIRST SOURCE CATALOG [J].

Abdo, A. A. ;

Ackermann, M. ;

Ajello, M. ;

Allafort, A. ;

Antolini, E. ;

Atwood, W. B. ;

Axelsson, M. ;

Baldini, L. ;

Ballet, J. ;

Barbiellini, G. ;

Bastieri, D. ;

Baughman, B. M. ;

Bechtol, K. ;

Bellazzini, R. ;

Belli, F. ;

Berenji, B. ;

Bisello, D. ;

Blandford, R. D. ;

Bloom, E. D. ;

Bonamente, E. ;

Bonnell, J. ;

Borgland, A. W. ;

Bouvier, A. ;

Bregeon, J. ;

Brez, A. ;

Brigida, M. ;

Bruel, P. ;

Burnett, T. H. ;

Busetto, G. ;

Buson, S. ;

Caliandro, G. A. ;

Cameron, R. A. ;

Campana, R. ;

Canadas, B. ;

Caraveo, P. A. ;

Carrigan, S. ;

Casandjian, J. M. ;

Cavazzuti, E. ;

Ceccanti, M. ;

Cecchi, C. ;

Celik, Oe. ;

Charles, E. ;

Chekhtman, A. ;

Cheung, C. C. ;

Chiang, J. ;

Cillis, A. N. ;

Ciprini, S. ;

Claus, R. ;

Cohen-Tanugi, J. ;

Conrad, J. .

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 2010, 188 (02) :405-436

[3] Anisotropies in the diffuse gamma-ray background measured by the Fermi LAT [J].

Ackermann, M. ;

Ajello, M. ;

Albert, A. ;

Baldini, L. ;

Ballet, J. ;

Barbiellini, G. ;

Bastieri, D. ;

Bechtol, K. ;

Bellazzini, R. ;

Bloom, E. D. ;

Bonamente, E. ;

Borgland, A. W. ;

Brandt, T. J. ;

Bregeon, J. ;

Brigida, M. ;

Bruel, P. ;

Buehler, R. ;

Buson, S. ;

Caliandro, G. A. ;

Cameron, R. A. ;

Caraveo, P. A. ;

Cecchi, C. ;

Charles, E. ;

Chekhtman, A. ;

Chiang, J. ;

Ciprini, S. ;

Claus, R. ;

Cohen-Tanugi, J. ;

Conrad, J. ;

Cuoco, A. ;

Cutini, S. ;

D'Ammando, F. ;

de Palma, F. ;

Dermer, C. D. ;

Digel, S. W. ;

do Couto e Silva, E. ;

Drell, P. S. ;

Drlica-Wagner, A. ;

Dubois, R. ;

Favuzzi, C. ;

Fegan, S. J. ;

Ferrara, E. C. ;

Fortin, P. ;

Fukazawa, Y. ;

Fusco, P. ;

Gargano, F. ;

Gasparrini, D. ;

Germani, S. ;

Giglietto, N. ;

Giroletti, M. .

PHYSICAL REVIEW D, 2012, 85 (08)

[4] Resolving cosmic structure formation with the Millennium-II Simulation [J].

Boylan-Kolchin, Michael ;

Springel, Volker ;

White, Simon D. M. ;

Jenkins, Adrian ;

Lemson, Gerard .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2009, 398 (03) :1150-1164

[5] Joint anisotropy and source count constraints on the contribution of blazars to the diffuse gamma-ray background [J].

Cuoco, A. ;

Komatsu, E. ;

Siegal-Gaskins, J. M. .

PHYSICAL REVIEW D, 2012, 86 (06)

[6] Characterization of dark-matter-induced anisotropies in the diffuse gamma-ray background [J].

Fornasa, Mattia ;

Zavala, Jesus ;

Sanchez-Conde, Miguel A. ;

Siegal-Gaskins, Jennifer M. ;

Delahaye, Timur ;

Prada, Francisco ;

Vogelsberger, Mark ;

Zandanel, Fabio ;

Frenk, Carlos S. .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2013, 429 (02) :1529-1553

[7] Where will supersymmetric dark matter first be seen? [J].

Gao, L. ;

Frenk, C. S. ;

Jenkins, A. ;

Springel, V. ;

White, S. D. M. .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2012, 419 (02) :1721-1726

[8] Galactic substructure and dark-matter annihilation in the Milky Way halo [J].

Kamionkowski, Marc ;

Koushiappas, Savvas M. ;

Kuhlen, Michael .

PHYSICAL REVIEW D, 2010, 81 (04)

[9] HIGH-ENERGY COSMIC GAMMA-RAY OBSERVATIONS FROM OSO-3 SATELLITE [J].

KRAUSHAAR, WL ;

THORSOS, T ;

HIGBIE, P ;

LEONG, C ;

BORKEN, R ;

CLARK, GW ;

GARMIRE, GP .

ASTROPHYSICAL JOURNAL, 1972, 177 (02) :341-+

[10] Prospects of detecting gamma-ray emission from galaxy clusters: Cosmic rays and dark matter annihilations [J].

Pinzke, Anders ;

Pfrommer, Christoph ;

Bergstrom, Lars .

PHYSICAL REVIEW D, 2011, 84 (12)

← 1 2 →