Abstract
We propose a U(1)B−L (baryon minus lepton) extension to the Standard Model, which adds a complex singlet to the scalar sector where an extra neutral gauge boson Z′ corresponding to the U(1)B−L gauge symmetry and an extra SM like singlet scalar H (heavy Higgs) are predicted. We consider the mixture of the Z and Z′. The model also yields Majorana masses for three right handed neutrinos. We study the phenomenology of the light h and heavy H Higgs boson production and decay at future e+ e− linear colliders with center-of-mass energies of √s = 500 − 3000 GeV and integrated luminosities of ℒ = 500 − 2000 fb−1. The study includes the Higgs-strahlung processes e+ e− → (Z Z′) → Zh, e+ e− → (Z Z′) → ZH, and we complement our previous works with the addition of the process.
Published Version
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