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Current non-conservation effects in ultra-high energy neutrino interactions

  • Fields, Particles, and Nuclei
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Abstract

The overall hardness scale of the ultra-high energy neutrino-nucleon interactions is usually estimated as Q 2 ∼ m 2 w The effect of non-conservation of weak currents pushes this scale up to the top quark mass squared and changes dynamics of the scattering process. The Double Leading Log Approximation provides simple and numerically accurate formula for the top-bottom contribution to the total cross section σνN. Corresponding correction to σνN appears to be numerically large. It is comparable with the leading contribution evaluated in the massless quark approximation.

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Authors and Affiliations

  1. Dipartimento di Fisica, Università della Calabria and Istituto Nazionale di Fisica Nucleare, Gruppo collegato di Cosenza, I-87036, Rende, Cosenza, Italy

    R. Fiore

  2. Institute for Theoretical and Experimental Physics, Moscow, 117218, Russia

    V. R. Zoller

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  1. R. Fiore
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  2. V. R. Zoller
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Correspondence to R. Fiore.

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Fiore, R., Zoller, V.R. Current non-conservation effects in ultra-high energy neutrino interactions. Jetp Lett. 92, 654–657 (2010). https://doi.org/10.1134/S0021364010220030

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