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TeV-scale Pseudo-Dirac Seesaw Mechanisms in an E$_6$ Inspired Model
- Source :
- Phys. Rev. D 94, 033003 (2016)
- Publication Year :
- 2016
-
Abstract
- TeV-scale seesaw mechanisms are interesting due to their potential testability at existing collider experiments. Herein we propose an E$_6$-inspired model allowing a TeV-scale pseudo-Dirac singlet neutrino seesaw mechanism with naturally sizeable Yukawa couplings of $\mathcal{O}(10^{-2})$. The model also contains new U(1) gauge interactions (and associated $Z^\prime$ bosons with which the singlet neutrinos can be produced at colliders), typically long-lived colour triplet fermions, SU(2) doublet fermions, and a complex scalar - potentially all at the TeV-scale. Additionally we identify three possible explanations for the 750 GeV di-photon excess.<br />Comment: 8 pages, 3 figures, 1 table
- Subjects :
- High Energy Physics - Phenomenology
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. D 94, 033003 (2016)
- Publication Type :
- Report
- Accession number :
- edsarx.1605.02743
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevD.94.033003