Abstract
We construct a scotogenic neutrino mass model introducing large SU(2)_L multiplet fields without adding an extra symmetry. We have introduced extra scalar fields such as a septet, quintet and quartet where we make the vacuum expectation value of quartet scalar to be zero while septet and quintet develop non-zero ones. Then the neutrino mass is generated at one-loop level by introducing quintet fermion. We analyze the neutrino mass matrix taking constraints from lepton flavor violation into account and discuss collider physics regarding charged fermions from large multiplet fields. We have analysed the production and the decays of the quintet fermions, as well as the discovery reach at 14 TeV and 27 TeV LHC.
Highlights
In this paper, we extend the model in Ref. [12] by introducing a quintet scalar field with non-zero vacuum expectation value (VEV)
We extend the model in Ref. [12] by introducing a quintet scalar field with non-zero VEV
We have considered an extension of the standard model (SM), introducing large SU (2)L multiplet fields such as quartet, quintet and septet scalar fields, and Majorana quintet fermions
Summary
We extend the model in Ref. [12] by introducing a quintet scalar field with non-zero VEV. The neutrino mass matrix is analyzed taking constants from lepton flavor violation (LFV) into account, and we estimate muon anomalous magnetic moment and muon g − 2. Collider phenomenology of exotic particles is different from the previous model since quintet scalar is inert in this model while it develops a VEV in previous one. We discuss exotic particle production at the large hadron collider (LHC) and show signature of our model taking various decay chains into account. 2, we introduce our model, derive some formula for active neutrino mass matrix, and show the typical order of Yukawa couplings and related masses. 3, we discuss neutrino mass matrix carrying out numerical analysis and implications to physics at the LHC focusing on the pair production of doubly charged fermion in the multiplet.
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