Sakata-like electro/weak model

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Abstract

A left-handed SU (2)L × U(1) × U′(1) electro/weak model (with Q = T3 + 1 2Y - 2 3L) is proposed. For neutrino interactions, our predictions are à la WS only with sin2ΘW → sin2ΘeffW < sin2W for processes which involve quarks, and (b) sin2ΘeffW (purely leptonic processes) > sin2ΘeffW (νq-scattering). For the polarized process eD → eX, the asymmetry parameter agrees with the WS one up to a second-order term. The additional neutral gauge boson is expected to be only one order of magnitude heavier than W±. We argue that the present neutral-current experimental results are not capable of distinguishing between the standard and the present models.

Original languageEnglish
Pages (from-to)73-76
Number of pages4
JournalPhysics Letters B
Volume83
Issue number1
DOIs
StatePublished - 23 Apr 1979
Externally publishedYes

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