Abstract
We propose a natural realization of inverse seesaw model with right-handed and flavor dependent \(U(1)\) gauge symmetries, in which we formulate the neutrino mass matrix to reproduce current neutrino oscillation data in a general way. Also we study a possibility to provide predictions to the neutrino sector by imposing an additional flavor dependent \(U(1)_{L_\mu-L_\tau}\) gauge symmetry that also satisfies the gauge anomaly cancellation conditions associated with \(U(1)_R\). Then we analyze collider physics on an extra gauge boson and show a possibility of detection.
Highlights
LaL eRaThis letter is organized as follows: We review our model and formulate the lepton sector
U(1)B−L [1] and U(1)R [2, 3, 4, 5, 6] gauge symmetries require three families of neutral right-handed fermions in order to cancel the gauge anomalies
These symmetries are known as a natural extension of the standard model (SM) to realize various seesaw mechanisms such as canonical seesaw model [7, 8, 9, 10], inverse seesaw model [11, 12], linear seesaw model [12, 13, 14], etc
Summary
This letter is organized as follows: We review our model and formulate the lepton sector. The SM Higgs boson H has 1 charge to induce the masses of SM fermions from the Yukawa Lagrangian after the spontaneously symmetry breaking. After the spontaneously symmetry breaking, neutral fermion mass matrix with 9×9 is given by. Let us briefly discuss non-unitarity matrix UMNS This is typically parametrized by the form. We discuss collider physics of our model, in particular we focus on ZR boson from U(1)R which obtains its mass via the vacuum expectation value of φ2. The polarized cross sections σL,R is given by following two cases as realistic values at the ILC [28]: mZ'R TeV. The product + −) where of ZR production region above red cross curve section and is excluded by the latest data [25]
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