Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 4, Pages -Publisher
SPRINGER
DOI: 10.1088/1126-6708/2009/04/103
Keywords
Cosmology of Theories beyond the SM; Beyond Standard Model; Neutrino Physics
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Funding
- Natural Sciences Foundation of China [10575111, 10773011, 10821504, 90303004, 10533010, 10675136]
- Chinese Academy of Sciences [KJCX3-SYW-N2]
- Cambridge-Mitchell Collaboration in Theoretical Cosmology
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Recently the ATIC and PAMELA collaborations released their results which show the abundant e(+/-) excess in cosmic rays well above the background, but not for the (p) over bar. Their data if interpreted as the dark matter particles' annihilation imply that the new physics with the dark matter is closely related to the lepton sector. In this paper we study the possible connection of the new physics responsible for the cosmic e(+/-) excesses to the neutrino mass generation. We consider a class of models and do the detailed numerical calculations. We find that some models can account for the ATIC and PAMELA e(+/-) and (p) over bar data and at the same time generate the small neutrino masses.
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