Precision measurement of sin2 θw from νFe scattering at the tevatron

T. A. Bolton,C. G. Arroyo,K.T. Bachmann,A.O. Bazarko,R. E. Blair,C. Foudas,B.J. King,W.C. Lefmann,W.C. Leung,S.R. Mishra,E. Oltman,P. Z. Quintas,S.A. Rabinowitz,F. Sciulli,W.G. Seligman,M. H. Shaevitz,F. S. Merritt,M. J. Oreglia,B. A. Schumm,R.H. Bernstein,F. Borcherding,H. E. Fisk,M.J. Lamm,W. Marsh,K. W. Merritt,H. Schellman,D. Yovanovitch,A. Bodek,H. S. Budd,P. de Barbaro,W. K. Sakumoto,W. H. Smith,T. Kinnel,P.H. Sandler

Precision measurement of sin2 θw from νFe scattering at the tevatron

2008

We present the results of a preliminary determination of sin2 θW from a study of νFe scattering in the Lab E detector at Fermilab. The analysis is based on a sample of 5×105 events with a mean neutrino energy of 166 GeV. Our result, sin2 θW=0.2242±0.0044expt.±0.0047model, is the highest energy high statistics determination of the weak mixing angle using neutrino data.

Keywords:

Fermilab
Weinberg angle
Quantum chromodynamics
Nuclear physics
Scattering
Monte Carlo method
Tevatron
Neutrino
Particle physics
Physics
Standard Model

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