期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1088/1126-6708/2009/05/097
关键词
Higgs Physics; Beyond Standard Model; Cosmology of Theories beyond the SM
资金
- U. S. Department of Energy [DE-AC02-05CH11231]
- NSF [PHY-04-57315]
We propose that the leptonic cosmic ray signals seen by PAMELA and ATIC result from the annihilation or decay of dark matter particles via states of a leptonic Higgs doublet to tau leptons, linking cosmic ray signals of dark matter to LHC signals of the Higgs sector. The states of the leptonic Higgs doublet are lighter than about 200GeV, yielding large (tau) over bar tau and (tau) over bar tau(tau) over bar tau event rates at the LHC. Simple models are given for the dark matter particle and its interactions with the leptonic Higgs, for cosmic ray signals arising from both annihilations and decays in the galactic halo. For the case of annihilations, cosmic photon and neutrino signals are on the verge of discovery.
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