Evaluating The Two Loop Diagram Responsible For Neutrino Mass In Babu's Model
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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.
5 pages, 1 figure; Additional references included
5 pages, 1 figure; Additional references included