Detecting MeV Gauge Bosons With High-Energy Neutrino Telescopes

Details Detecting MeV Gauge Bosons With High-Energy Neutrino Telescopes Detecting MeV Gauge Bosons With High-Energy Neutrino Telescopes

2007-01-23

arxiv.org/abs/hep-ph/0701194v1

Phys.Rev.D75:123001,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 figures

Scientific paper

10.1103/PhysRevD.75.123001

If annihilating MeV-scale dark matter particles are responsible for the observed 511 keV emission from the Galactic bulge, then new light gauge bosons which mediate the dark matter annihilations may have other observable consequences. In particular, if such a gauge boson exists and has even very small couplings to Standard Model neutrinos, cosmic neutrinos with ~TeV energies will scatter with the cosmic neutrino background through resonant exchange, resulting in a distinctive spectral absorption line in the high-energy neutrino spectrum. Such a feature could potentially be detected by future high-energy neutrino telescopes.

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