Constraints on gauged B-3L(tau) and related theories

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2001-04-01

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American Physical Society

Abstract

We consider extensions of the standard model with an extra U(1) gauge boson that couples to B- (alphaL(e), + betaL(mu) + gammaL(tau)) with alpha + beta + gamma =3. We show that the extra gauge boson necessarily mixes with the Z, leading to potentially significant corrections to the Zf(f) over bar vertex. The constraints on the size of this correction imposed by the Z-pole data from CERN LEP and SLD are derived.

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Keywords

solar-neutrino oscillations, parity violating couplings, fermion pair, production, assisted technicolor, qed corrections, baryon number, models, boson, topcolor, Astronomy & Astrophysics, Physics

Citation

Chang, LN ; Lebedev, O ; Loinaz, W ; et al., APR 1 2001. “Constraints on gauged B-3L(tau) and related theories,” PHYSICAL REVIEW D 63(7): 074013. DOI: 10.1103/PhysRevD.63.074013

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http://hdl.handle.net/10919/24738

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Scholarly Works, Physics