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    • SU2 ⊗ U1 gauge model of electroweak interaction with (V + A) strangeness-changing charged current

      L K Pandit

      Particle Physics Volume 19 Issue 4 October 1982 pp 303-313

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/019/04/0303-0313

    • Keywords

       

      Electroweak interaction; gauge theory; strangeness-changing charged current; charm-changing neutral current; quarks; leptons; intermediate bosons

    • Abstract

       

      We construct a model of renormalizable electroweak interaction with (V+A) strangeness-changing charged current in the framework of the minimal spontaneously broken SU2 ⊗ U1 gauge theory, taking our motivation from the recently reported measurement of the electron asymmetry in polarizedΣ−-hyperonβ-decay by Keller and co-workers. The model avoids strangeness-changing but admits charm-changing pieces in the neutral current. Several phenomenological consequences of the model are discussed together with a comparison with the standard model of electroweak interaction.

    • Author Affiliations

       

      L K Pandit1

      1. Tata Institute of Fundamental Research, Homi Bhabha Road, Bombay - 400 005, India

    • Dates

       
      Published
      October 1982
      Manuscript received
      9 June 1982

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