Constraints on dark matter models from a Fermi LAT search for high-energy cosmic-ray electrons from the Sun
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.
- Authors:
- more »
- Publication Date:
- Research Org.:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE
- Contributing Org.:
- The Fermi LAT Collaboration
- OSTI Identifier:
- 1357220
- Alternate Identifier(s):
- OSTI ID: 1100549
- Grant/Contract Number:
- AC02-76SF00515
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review. D, Particles, Fields, Gravitation and Cosmology
- Additional Journal Information:
- Journal Volume: 84; Journal Issue: 3; Journal ID: ISSN 1550-7998
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS
Citation Formats
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., and Zimmer, S. Constraints on dark matter models from a Fermi LAT search for high-energy cosmic-ray electrons from the Sun. United States: N. p., 2011.
Web. doi:10.1103/PhysRevD.84.032007.
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. Constraints on dark matter models from a Fermi LAT search for high-energy cosmic-ray electrons from the Sun. United States. https://doi.org/10.1103/PhysRevD.84.032007
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., and Zimmer, S. Mon .
"Constraints on dark matter models from a Fermi LAT search for high-energy cosmic-ray electrons from the Sun". United States. https://doi.org/10.1103/PhysRevD.84.032007. https://www.osti.gov/servlets/purl/1357220.
@article{osti_1357220,
title = {Constraints on dark matter models from a Fermi LAT search for high-energy cosmic-ray electrons from the Sun},
author = {Ajello, M. and Atwood, W. B. and Baldini, L. and Barbiellini, G. and Bastieri, D. and Bellazzini, R. and Berenji, B. and Blandford, R. D. and Bloom, E. D. and Bonamente, E. and Borgland, A. W. and Bottacini, E. and Bouvier, A. and Bregeon, J. and Brigida, M. and Bruel, P. and Buehler, R. and Buson, S. and Caliandro, G. A. and Cameron, R. A. and Caraveo, P. A. and Cecchi, C. and Charles, E. and Chekhtman, A. and Ciprini, S. and Claus, R. and Cohen-Tanugi, J. and Cutini, S. and de Angelis, A. and de Palma, F. and Dermer, C. D. and Digel, S. W. and do Couto e Silva, E. and Drell, P. S. and Favuzzi, C. and Fegan, S. J. and Focke, W. B. and Fukazawa, Y. and Fusco, P. and Gargano, F. and Gehrels, N. and Germani, S. and Giglietto, N. and Giordano, F. and Giroletti, M. and Glanzman, T. and Godfrey, G. and Grenier, I. A. and Guiriec, S. and Gustafsson, M. and Hadasch, D. and Iafrate, G. and Jóhannesson, G. and Johnson, A. S. and Kamae, T. and Katagiri, H. and Kataoka, J. and Kuss, M. and Latronico, L. and Lionetto, A. M. and Longo, F. and Loparco, F. and Lovellette, M. N. and Lubrano, P. and Mazziotta, M. N. and McEnery, J. E. and Michelson, P. F. and Mizuno, T. and Monte, C. and Monzani, M. E. and Morselli, A. and Moskalenko, I. V. and Murgia, S. and Naumann-Godo, M. and Norris, J. P. and Nuss, E. and Ohsugi, T. and Omodei, N. and Orlando, E. and Ormes, J. F. and Ozaki, M. and Paneque, D. and Panetta, J. H. and Pesce-Rollins, M. and Pierbattista, M. and Piron, F. and Rainò, S. and Rando, R. and Razzano, M. and Reimer, A. and Reimer, O. and Ritz, S. and Schalk, T. L. and Sgrò, C. and Siegal-Gaskins, J. and Siskind, E. J. and Smith, P. D. and Spandre, G. and Spinelli, P. and Suson, D. J. and Takahashi, H. and Tanaka, T. and Thayer, J. G. and Thayer, J. B. and Tibaldo, L. and Tosti, G. and Troja, E. and Usher, T. L. and Vandenbroucke, J. and Vasileiou, V. and Vianello, G. and Vilchez, N. and Waite, A. P. and Wang, P. and Winer, B. L. and Wood, K. S. and Yang, Z. and Zimmer, S.},
abstractNote = {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.},
doi = {10.1103/PhysRevD.84.032007},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 3,
volume = 84,
place = {United States},
year = {Mon Aug 15 00:00:00 EDT 2011},
month = {Mon Aug 15 00:00:00 EDT 2011}
}
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