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arXiv · hep-ph/0308063

The Axialvector-Vector Amplitude and Neutrino Effective Charge in a Magnetized Medium

Kaushik Bhattacharya·Avijit K. Ganguly
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Abstract

To one loop the effective neutrino photon interaction takes place through the vector-vector type and the axialvector-vector type amplitude. In this work we explicitly write down the form of the axialvector-vector amplitude to all orders in the external magnetic field in a medium. We then infer upon its zero external momentum limit which contributes to the effective charge of the neutrinos inside a magnetized medium. We further show its gauge invariance properties.

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Kaushik Bhattacharya, Avijit K. Ganguly. 2003-08-06. The Axialvector-Vector Amplitude and Neutrino Effective Charge in a Magnetized Medium. https://doi.org/10.1103/physrevd.68.053011

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