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Dark Matter Interpretation of Recent Electron and Positron Data
Open accessAbstract
We analyze the recently released Fermi-LAT data on the sum of electrons and positrons. Compared to a conventional, pre-Fermi, background model, a surprising excess in the several hundred GeV range is found and here we analyze it in terms of dark matter models. We also compare with newly published results from PAMELA and H.E.S.S., and find models giving very good fits to these data sets as well. If this dark matter interpretation is correct, we also predict the possibility of a sharp break in the diffuse gamma-ray spectrum coming from final state radiation.
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Cites
A Universal Density Profile from Hierarchical Clustering
Navarro, J. F., Frenk, C. S., & White, S. D. M. (1997) · The Astrophysical Journal · doi:10.1086/304888 · Cited by 9,917
THE LARGE AREA TELESCOPE ON THE FERMI GAMMA-RAY SPACE TELESCOPE MISSION
Atwood, W. B., Abdo, A. A., Ackermann, M., Althouse, W., Anderson, B., Axelsson, M., Baldini, L., Ballet, J., Band, D. L., Barbiellini, G., et al. (2009) · The Astrophysical Journal · doi:10.1088/0004-637x/697/2/1071 · Cited by 4,198
Cited by
Dark Matter Candidates from Particle Physics and Methods of Detection
Feng, J. L. (2010) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-082708-101659 · Cited by 1,448
Dark matter self-interactions and light force carriers
Buckley, M. R., & Fox, P. J. (2010) · Physical Review D · doi:10.1103/physrevd.81.083522 · Cited by 287
Sommerfeld enhancements for thermal relic dark matter
Feng, J. L., Kaplinghat, M., & Yu, H.-B. (2010) · Physical Review D · doi:10.1103/physrevd.82.083525 · Cited by 278
Metadata
- Authors
- Bergström, L., Edsjö, J., & Zaharijas, G.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2009-07-17
- Volume
- 103
- Issue
- 3
- Pages
- 031103-031103
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2028075273
- Cited by
- 159
- References
- 2
- FWCI
- 19.04
- Type
- journal article
- Language
- en
- Open access
- green
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