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

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... Full description

Journal Title: Physical Review. D Particles, Fields, Gravitation and Cosmology, 15 August 2011, Vol.84(3)
Main Author: Ajello, M
Other Authors: Atwood, W. B , Baldini, L , Barbiellini, G , Bastieri, D , Bellazzini, R , Berenji, B , Blandford, R. D , Bloom, E. D , Bonamente, E , Borgland, A. W , Bottacini, E , Bouvier, A , 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 , Ciprini, S , Claus, R , Cohen-Tanugi, J , Cutini, S , de Angelis, A , de Palma, F , Dermer, C. D , Digel, S. W , Do Couto E Silva, E , Drell, P. S , Favuzzi, C , Fegan, S. J , Focke, W. B , Fukazawa, Y , Fusco, P , Gargano, F , Gehrels, N , Germani, S , Giglietto, N , Giordano, F , Giroletti, M , Glanzman, T , Godfrey, G , Grenier, I. A , Guiriec, S , Gustafsson, M , Hadasch, D , Iafrate, G , Jóhannesson, G , Johnson, A. S , Kamae, T , Katagiri, H , Kataoka, J , Kuss, M , Latronico, L , Lionetto, A. M , Longo, F , Loparco, F , Lovellette, M. N , Lubrano, P , Mazziotta, M. N , Mcenery, J. E , Michelson, P. F , Mizuno, T , Monte, C , Monzani, M. E , Morselli, A , Moskalenko, I. V , Murgia, S , Naumann-Godo, M , Norris, J. P , Nuss, E , Ohsugi, T , Omodei, N , Orlando, E , Ormes, J. F , Ozaki, M , Paneque, D , Panetta, J. H , Pesce-Rollins, M , Pierbattista, M , Piron, F , Rainò, S , Rando, R , Razzano, M , Reimer, A , Reimer, O , Ritz, S , Schalk, T. L , Sgrò, C , Siegal-Gaskins, J , Siskind, E. J , Smith, P. D , Spandre, G , Spinelli, P , Suson, D. J , Takahashi, H , Tanaka, T , Thayer, J. G , Thayer, J. B , Tibaldo, L , Tosti, G , Troja, E , Usher, T. L , Vandenbroucke, J , Vasileiou, V , Vianello, G , Vilchez, N , Waite, A. P , Wang, P , Winer, B. L , Wood, K. S , Yang, Z , Zimmer, S
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1550-7998 ; E-ISSN: 1550-2368 ; DOI: 10.1103/PhysRevD.84.032007
Link: https://www.osti.gov/servlets/purl/1357220
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title: Constraints on dark matter models from a Fermi LAT search for high-energy cosmic-ray electrons from the Sun
format: Article
creator:
  • Ajello, M
  • Atwood, W. B
  • Baldini, L
  • Barbiellini, G
  • Bastieri, D
  • Bellazzini, R
  • Berenji, B
  • Blandford, R. D
  • Bloom, E. D
  • Bonamente, E
  • Borgland, A. W
  • Bottacini, E
  • Bouvier, A
  • 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
  • Ciprini, S
  • Claus, R
  • Cohen-Tanugi, J
  • Cutini, S
  • de Angelis, A
  • de Palma, F
  • Dermer, C. D
  • Digel, S. W
  • Do Couto E Silva, E
  • Drell, P. S
  • Favuzzi, C
  • Fegan, S. J
  • Focke, W. B
  • Fukazawa, Y
  • Fusco, P
  • Gargano, F
  • Gehrels, N
  • Germani, S
  • Giglietto, N
  • Giordano, F
  • Giroletti, M
  • Glanzman, T
  • Godfrey, G
  • Grenier, I. A
  • Guiriec, S
  • Gustafsson, M
  • Hadasch, D
  • Iafrate, G
  • Jóhannesson, G
  • Johnson, A. S
  • Kamae, T
  • Katagiri, H
  • Kataoka, J
  • Kuss, M
  • Latronico, L
  • Lionetto, A. M
  • Longo, F
  • Loparco, F
  • Lovellette, M. N
  • Lubrano, P
  • Mazziotta, M. N
  • Mcenery, J. E
  • Michelson, P. F
  • Mizuno, T
  • Monte, C
  • Monzani, M. E
  • Morselli, A
  • Moskalenko, I. V
  • Murgia, S
  • Naumann-Godo, M
  • Norris, J. P
  • Nuss, E
  • Ohsugi, T
  • Omodei, N
  • Orlando, E
  • Ormes, J. F
  • Ozaki, M
  • Paneque, D
  • Panetta, J. H
  • Pesce-Rollins, M
  • Pierbattista, M
  • Piron, F
  • Rainò, S
  • Rando, R
  • Razzano, M
  • Reimer, A
  • Reimer, O
  • Ritz, S
  • Schalk, T. L
  • Sgrò, C
  • Siegal-Gaskins, J
  • Siskind, E. J
  • Smith, P. D
  • Spandre, G
  • Spinelli, P
  • Suson, D. J
  • Takahashi, H
  • Tanaka, T
  • Thayer, J. G
  • Thayer, J. B
  • Tibaldo, L
  • Tosti, G
  • Troja, E
  • Usher, T. L
  • Vandenbroucke, J
  • Vasileiou, V
  • Vianello, G
  • Vilchez, N
  • Waite, A. P
  • Wang, P
  • Winer, B. L
  • Wood, K. S
  • Yang, Z
  • Zimmer, S
subjects:
  • Astronomy And Astrophysics
  • Physics
ispartof: Physical Review. D, Particles, Fields, Gravitation and Cosmology, 15 August 2011, Vol.84(3)
description: 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. Here, 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.
language: eng
source:
identifier: ISSN: 1550-7998 ; E-ISSN: 1550-2368 ; DOI: 10.1103/PhysRevD.84.032007
fulltext: fulltext
issn:
  • 1550-7998
  • 15507998
  • 1550-2368
  • 15502368
url: Link


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creatorAjello, M ; Atwood, W. B ; Baldini, L ; Barbiellini, G ; Bastieri, D ; Bellazzini, R ; Berenji, B ; Blandford, R. D ; Bloom, E. D ; Bonamente, E ; Borgland, A. W ; Bottacini, E ; Bouvier, A ; 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 ; Ciprini, S ; Claus, R ; Cohen-Tanugi, J ; Cutini, S ; de Angelis, A ; de Palma, F ; Dermer, C. D ; Digel, S. W ; Do Couto E Silva, E ; Drell, P. S ; Favuzzi, C ; Fegan, S. J ; Focke, W. B ; Fukazawa, Y ; Fusco, P ; Gargano, F ; Gehrels, N ; Germani, S ; Giglietto, N ; Giordano, F ; Giroletti, M ; Glanzman, T ; Godfrey, G ; Grenier, I. A ; Guiriec, S ; Gustafsson, M ; Hadasch, D ; Iafrate, G ; Jóhannesson, G ; Johnson, A. S ; Kamae, T ; Katagiri, H ; Kataoka, J ; Kuss, M ; Latronico, L ; Lionetto, A. M ; Longo, F ; Loparco, F ; Lovellette, M. N ; Lubrano, P ; Mazziotta, M. N ; Mcenery, J. E ; Michelson, P. F ; Mizuno, T ; Monte, C ; Monzani, M. E ; Morselli, A ; Moskalenko, I. V ; Murgia, S ; Naumann-Godo, M ; Norris, J. P ; Nuss, E ; Ohsugi, T ; Omodei, N ; Orlando, E ; Ormes, J. F ; Ozaki, M ; Paneque, D ; Panetta, J. H ; Pesce-Rollins, M ; Pierbattista, M ; Piron, F ; Rainò, S ; Rando, R ; Razzano, M ; Reimer, A ; Reimer, O ; Ritz, S ; Schalk, T. L ; Sgrò, C ; Siegal-Gaskins, J ; Siskind, E. J ; Smith, P. D ; Spandre, G ; Spinelli, P ; Suson, D. J ; Takahashi, H ; Tanaka, T ; Thayer, J. G ; Thayer, J. B ; Tibaldo, L ; Tosti, G ; Troja, E ; Usher, T. L ; Vandenbroucke, J ; Vasileiou, V ; Vianello, G ; Vilchez, N ; Waite, A. P ; Wang, P ; Winer, B. L ; Wood, K. S ; Yang, Z ; Zimmer, S
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ispartofPhysical Review. D, Particles, Fields, Gravitation and Cosmology, 15 August 2011, Vol.84(3)
identifier
subjectAstronomy And Astrophysics ; Physics
descriptionDuring 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. Here, 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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titleConstraints on dark matter models from a Fermi LAT search for high-energy cosmic-ray electrons from the Sun
description

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. Here, 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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53Johnson, A. S
54Kamae, T
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addauSlac National Accelerator Lab., Menlo Park, Ca
atitleConstraints on dark matter models from a Fermi LAT search for high-energy cosmic-ray electrons from the Sun
jtitlePhysical Review. D, Particles, Fields, Gravitation and Cosmology
risdate20110815
volume84
issue3
issn1550-7998
eissn1550-2368
formatjournal
genrearticle
ristypeJOUR
abstract

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. Here, 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.

copUnited States
pubAmerican Physical Society (APS)
doi10.1103/PhysRevD.84.032007
oafree_for_read
date2011-08-15