New bound on right-handed charged gauge boson mass

Bhattacharyya, Gautam ; Datta, Amitava ; Raychaudhuri, Amitava ; Sarkar, Utpal (1993) New bound on right-handed charged gauge boson mass Physical Review D - Particles, Fields, Gravitation and Cosmology, 47 (9). R3693-R3696. ISSN 1550-7998

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Official URL: http://prd.aps.org/abstract/PRD/v47/i9/pR3693_1

Related URL: http://dx.doi.org/10.1103/PhysRevD.47.R3693

Abstract

Using our previous bounds on Δρ and the Z-Z' mixing angle ξN in the SU(2)L⊗SU(2)R⊗U(1)(B−L) model from the Z line shape and energy-dependent forward-backward asymmetries of the 1990 data from CERN LEP, we obtain a strong lower bound ~439 GeV at 90% C.L. on the right-handed charged gauge boson mass for mt=200 GeV using commonly chosen Higgs triplets, which becomes stronger for doublet Higgs fields. It is independent of the neutrino mass or of assumptions about the right-handed quark mixing matrix. Consequences of more exotic Higgs multiplets are also discussed.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:45491
Deposited On:28 Jun 2011 05:00
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