Abstract
The cosmic-ray excess observed by PAMELA in the positron fraction and by FERMI and HESS in e−+e+ can be interpreted in terms of dark matter annihilations or decays. We summarize the main possibilities and their possible tests.
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References
O. Adriani et al. (PAMELA Collab.), Nature, 458, 607–609 (2009); arXiv:0810.4995v1 [astro-ph] (2008).
J. Chang et al. (ATIC Collab.), Nature, 456, 362–365 (2008).
A. A. Abdo et al. (FERMI/LAT Collab.), Phys. Rev. Lett., 102, 181101 (2009); arXiv:0905.0025v1 [astro-ph. HE] (2009).
F. Aharonian et al. (H.E.S.S. Collab.), Phys. Rev. Lett., 101, 261104 (2008); arXiv:0811.3894v2 [astro-ph] (2008); Astron. Astrophys., 508, 561–564 (2009); arXiv:0905.0105v2 [astro-ph.HE] (2009).
F. Donato, N. Fornengo, D. Maurin, P. Salati, and R. Taillet, Phys. Rev. D, 69, 063501 (2004); arXiv:astro-ph/0306207v3 (2003).
M. Cirelli, M. Kadastik, M. Raidal, and A. Strumia, Nucl. Phys. B, 813, 1–21 (2009); arXiv:0809.2409v3 [hep-ph] (2008).
M. Ibe, H. Murayama, and T. T. Yanagida, Phys. Rev. D, 79, 095009 (2009); arXiv:0812.0072v1 [hep-ph] (2008); W.-L. Guo and Y.-L. Wu, Phys. Rev. D, 79, 055012 (2009); arXiv:0901.1450v2 [hep-ph] (2009).
A. Sommerfeld, Ann. Phys., 403, 257–330 (1931); J. Hisano, S. Matsumoto, and M. M. Nojiri, Phys. Rev. Lett., 92, 031303 (2004); arXiv:hep-ph/0307216v1 (2003); M. Cirelli, A. Strumia, and M. Tamburini, Nucl. Phys. B, 787, 152–157 (2007); arXiv:0706.4071v2 [hep-ph] (2007).
M. Cirelli, R. Franceschini, and A. Strumia, Nucl. Phys. B, 800, 204–220 (2008); arXiv:0802.3378v3 [hep-ph] (2008).
N. Arkani-Hamed, D. P. Finkbeiner, T. Slatyer, and N. Weiner, Phys. Rev. D, 79, 015014 (2009); arXiv:0810.0713v3 [hep-ph] (2008).
O. Adriani et al. (PAMELA Collab.), Phys. Rev. Lett., 102, 051101 (2009); arXiv:0810.4994v2 [astro-ph] (2008).
T. Delahaye, R. Lineros, F. Donato, N. Fornengo, and P. Salati, Phys. Rev. D, 77, 063527 (2008); arXiv:0712.2312v2 [astro-ph] (2007).
P. Meade, M. Papucci, A. Strumia, and T. Volansky, Nucl. Phys. B, 831, 178–203 (2010); arXiv:0905.0480v2 [hep-ph] (2009).
M. Papucci and A. Strumia, JCAP, 1003, 014 (2010); arXiv:0912.0742v2 [hep-ph] (2009).
I. Z. Rothstein, T. Schwetz, and J. Zupan, JCAP, 0907, 018 (2009); arXiv:0903.3116v4 [astro-ph.HE] (2009).
J. Hisano, M. Kawasaki, K. Kohri, T. Moroi, and K. Nakayama, Phys. Rev. D, 79, 083522 (2009); Erratum, 80, 029905; arXiv:0901.3582v3 [hep-ph] (2009); A. V. Belikov and D. Hooper, Phys. Rev. D, 80, 035007 (2009); arXiv:0904.1210v2 [hep-ph] (2009).
E. Nardi, F. Sannino, and A. Strumia, JCAP, 0901, 043 (2009); arXiv:0811.4153v1 [hep-ph] (2008).
A. Arvanitaki, S. Dimopoulos, S. Dubovsky, P. W. Graham, R. Harnik, and S. Rajendran, Phys. Rev. D, 79, 105022 (2009); arXiv:0812.2075v3 [hep-ph] (2008).
A. C. Vincent, W. Xue, and J. M. Cline, Phys. Rev. D, 82, 123519 (2010); arXiv:1009.5383v2 [hep-ph] (2010).
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Prepared from an English manuscript submitted by the author; for the Russian version, see Teoreticheskaya i Matematicheskaya Fizika, Vol. 170, No. 2, pp. 248–257, February, 2012.
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Strumia, A. Dark matter interpretations of the cosmic-ray e ± excesses. Theor Math Phys 170, 203–210 (2012). https://doi.org/10.1007/s11232-012-0022-9
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DOI: https://doi.org/10.1007/s11232-012-0022-9