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Preprint
Off the Mass Shell: Electroweak Physics at NuTeV
arXiv (Cornell University)
04 Oct 2002
Abstract
eConf C020620:SABT01,2002 The NuTeV collaboration has performed precision measurements of the ratio of
neutral current to charged current cross-sections in high rate, high energy
neutrino and anti-neutrino beams on a dense, primarily steel, target. The
separate neutrino and anti-neutrino beams, high statistics, and improved
control of other experimental systematics, allow the determination of
electroweak parameters with significantly greater precision than past
neutrino-nucleon scattering experiments. Our null hypothesis test of the
standard model prediction measures
sin2thetaW=0.2277+/-0.0013(stat)+/-0.0009(syst), a value which is 3 sigma above
the prediction. We discuss possible explanations for and implications of this
discrepancy.
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Details
- Title
- Off the Mass Shell: Electroweak Physics at NuTeV
- Creators
- K. S McFarlandG. P ZellerT AdamsA AltonS AvvakumovL deBarbaroP deBarbaroR. H BernsteinA BodekT BoltonJ BrauD BuchholzH BuddL BugelJ ConradR. B DruckerB. T FlemingR FreyJ. A FormaggioJ GoldmanM GoncharovD. A HarrisR. A JohnsonJ. H KimS KoutsoliotasM. J LammW MarshD MasonJ McDonaldC McNultyD NaplesP NienaberV RadescuA RomosanW. K SakumotoH SchellmanM. H ShaevitzP SpentzourisE. G SternN SuwonjandeeM TzanovM VakiliA VaitaitisU. K YangJ YuE. D Zimmerman
- Publication Details
- arXiv (Cornell University)
- Resource Type
- Preprint
- Language
- English
- Academic Unit
- Physics
- Other Identifier
- 991021862281304721