Manifestations of Extra Dimensions in a Neutrino Telescope

Details Manifestations of Extra Dimensions in a Neutrino Telescope Manifestations of Extra Dimensions in a Neutrino Telescope

2001-09-06

arxiv.org/abs/hep-ph/0109048v3

Phys.Rev. D66 (2002) 013005

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 5 figures, added conclusions

Scientific paper

10.1103/PhysRevD.66.013005

Theories with large extra dimensions provide the possibility that a flavor neutrino, localized in a 3+1 brane, can mix with a singlet neutrino living in the bulk. This mixing leads to unconventional patterns of neutrino matter oscillations and we examine in details how these oscillations depend upon two parameters: the brane-bulk coupling $\xi$ and the effective mass $\mu$ of the flavor neutrino inside matter. We find that high energy $(E \ge 50$ GeV) $\nu_\mu$ neutrinos, to be detected by neutrino telescopes, can give signals of extra dimensions. With a 1 k$m^{3}$ neutrino telescope extra dimensions with radius down to $1\mu m$ can be tested directly, while for smaller radius an indirect evidence can be established.

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