Determining the neutrino-hadron weak neutral-current couplings

Deepinder P. Sidhu, Paul Langacker

Research output: Contribution to journalArticle

38 Scopus citations

Abstract

It has been argued recently that the inclusive, semi-inclusive, and elastic neutrinohadron data require the neutral-current parameters to lie in one of two allowed regions in coupling-parameter space (called regions A and B). We remark in this paper that new measurements of ν(ν̄)p→ν(ν̄)p strongly favor region A [which corresponds to the standard SU(2)Laeas-U(1) and SU(2)Las-SU(2)Ras-U(1) models] over region B [which corresponds to an SU(2) as- U(1) model with a (u,A b)R doublet and dR singlet]. Neutral-current couplings of u and d quarks determined by this analysis are given.

Original languageEnglish (US)
Pages (from-to)732-735
Number of pages4
JournalPhysical review letters
Volume41
Issue number11
DOIs
StatePublished - Jan 1 1978

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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