Probe of anomalous neutrino couplings to W and Z in medium energy setup of a beta-beam facility

Balantekin A. B., Sahin İ., Sahin B.

JOURNAL OF HIGH ENERGY PHYSICS, no.5, 2009 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Publication Date: 2009
  • Doi Number: 10.1088/1126-6708/2009/05/005
  • Journal Name: JOURNAL OF HIGH ENERGY PHYSICS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Keywords: Neutrino Physics, Beyond Standard Model, PARTON DISTRIBUTIONS, PHYSICS, UNIVERSALITY, PREDICTIONS, SCATTERING, COMPLEX
  • Ankara University Affiliated: No

Abstract

Capability of medium energy setup of a beta beam experiment to probe new physics contributions to neutrino-W and neutrino-Z couplings are investigated. We employ the effective lagrangian approach of Buchmuller and Wyler and obtain 95% confidence level limits on neutrino couplings to these gauge bosons without assuming the flavor universality of the coupling of neutrinos. We show that a beta beam facility with a systematic error of 2% can place 10 times more restrictive limit than present one on the deviations from the electron neutrino-Z couplings in the Standard Model.Capability of medium energy setup of a beta beam experiment to probe new physics contributions to neutrino-W and neutrino-Z couplings are investigated. We employ the effective lagrangian approach of Buchmuller and Wyler and obtain 95% confidence level limits on neutrino couplings to these gauge bosons without assuming the flavor universality of the coupling of neutrinos. We show that a beta beam facility with a systematic error of 2% can place 10 times more restrictive limit than present one on the deviations from the electron neutrino-Z couplings in the Standard Model.