Evaluating The Two Loop Diagram Responsible For Neutrino Mass In Babu's Model

Details Evaluating The Two Loop Diagram Responsible For Neutrino Mass In Babu's Model Evaluating The Two Loop Diagram Responsible For Neutrino Mass In Babu's Model

2003-09-24

arxiv.org/abs/hep-ph/0309270v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 1 figure; Additional references included

Scientific paper

Babu studied the neutrino spectrum obtained when one adds a charged singlet and a doubly charged singlet to the standard model particle spectrum. It was found that the neutrinos acquire a mass matrix at the two-loop level which contains one massless eigenstate. The mass matrix of Babu's model depends on an integral over the undetermined loop momenta. We present the exact calculation of this integral.

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