Mass Bounds for Flavour Mixing Bileptons
M. B. Tully, G. C. Joshi (University of Melbourne)
TL;DR
This paper establishes a 700 GeV lower mass limit for doubly-charged bilepton gauge bosons based on LEP data and lepton-flavour violation constraints, independent of flavor-diagonal coupling assumptions.
Contribution
It provides a new, model-independent lower mass bound for doubly-charged bileptons from collider and decay data.
Findings
Mass bound of 700 GeV for doubly-charged bileptons
Bound is independent of flavor-diagonal coupling assumptions
Constraints derived from LEP and lepton-flavour violation data
Abstract
Mass bounds for doubly-charged bilepton gauge bosons are derived from constraints on fermion pair production at LEP and lepton-flavour violating charged lepton decays. The limit obtained of 700 GeV for the doubly-charged bilepton does not depend on the bilepton coupling being flavour-diagonal, unlike other bounds which have been given in the literature.
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