• Neutral current cross-sections for neutrinos on protons

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    • Keywords


      Neutral current weak interaction; neutrinos; inclusive processes; parton model; chiral couplings; proton target

    • Abstract


      Defining the ratiosrp =σ(vpvx)/σ(vpμx) and$$\bar r_p = \sigma (\bar \nu p \to \bar \nu x)/\sigma (\bar \nu p \to \mu ^ + x)$$ we obtain the bounds 0.28 ⩽rp ⩽ 0.61 and$$0 \cdot 15 \leqslant \bar r_p \leqslant 0 \cdot 37$$ using only the parton model and the data of CDHS group with iron target. We also give the complete set of parton-model relations which would allow the determination of all the neutral-current coupling constants from inclusive cross sections alone.

    • Author Affiliations


      G Rajasekaran1 KVL Sarma1 2

      1. Department of Theoretical Physics, University of Madras, Madras - 600 025
      2. Tata Institute of Fundamental Research, Bombay - 400 005
    • Dates

  • Pramana – Journal of Physics | News

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