Kaluza-Klein Dark Matter and the Positron Excess(5)
发布时间:2021-06-06
发布时间:2021-06-06
The excess of cosmic positrons observed by the HEAT experiment may be the result of Kaluza-Klein dark matter annihilating in the galactic halo. Kaluza-Klein dark matter annihilates dominantly into charged leptons that yield a large number and hard spectrum
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