Implications of $\barν_{e}e^{-}\to W^{-}γ$ for high-energy $\barν_e$ observation

Details Implications of $\barν_{e}e^{-}\to W^{-}γ$ for high-energy $\barν_e$ observation Implications of $\barν_{e}e^{-}\to W^{-}γ$ for high-energy $\barν_e$ observation

2001-08-24

arxiv.org/abs/hep-ph/0108204v1

Astropart.Phys.19:569-574,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 3 figures, RevTex

Scientific paper

10.1016/S0927-6505(03)00105-1

Absorption of high-energy $\bar{\nu}_e$ over electrons above the W boson production threshold is reexamined. It is pointed out that, in the case of photon emissions along the direction of incident high-energy $\bar{\nu}_e$, the kinematically allowed average energy carried by the final state hard photon can be $\leq 1%$ of the incident $\bar{\nu}_e$ energy above the W boson production threshold. The differential energy spectrum for the final state hard photon is calculated. We also discuss implications of our results for the prospective search of high-energy $\bar{\nu}_e$ through this final state hard photon.

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