Single and double seesaw for quark-lepton and neutrino masses

Biswajoy Brahmachari

A left-right model of quarks and leptons based on the gauge group $SU(3{)}_c\times SU(2{)}_L\times SU(2{)}_R\times U(1{)}_{B-L}$ is studied. Here the scalar sector consists of only two…