CERN Accelerating science

Tau

Topics

  • tau branching fractions
    • global constrained fit of tau branching fractions
      • test lepton universality, compute Vus
  • tau lepton flavour violation
    • list experimental upper limits
    • compute combination of experimental upper limits 

Current results

Past results

  • Summer 2016 HFLAV report, version 1, October 2016
    • arXiv:1612.07233 [hep-ex], Y. Amhis et al., "Averages of b-hadron, c-hadron, and tau-lepton properties as of Summer 2016"
    • HFLAV Tau web report, published on 7 October 2016
    • no significant updates since 2014, but several minor improvement and fixes
  • Summer 2014 HFLAV report
    • arXiv:1412.7515 [hep-ex], Y. Amhis et al., "Averages of b-hadron, c-hadron, and tau-lepton properties as of Summer 2014"
    • HFLAV Tau web report
    • includes combinations on limits on searches for Lepton flavor Violation in tau decays
  • Early 2012 HFLAV report
    • arXiv:1207.1158 [hep-ex], Y. Amhis et al., "Averages of b-hadron, c-hadron, and tau-lepton properties as of early 2012"
    • HFLAV Tau web report
    • includes average of three |Vus| determinations with tau data
  • Summer 2011 HFLAV Tau web report
    • since March 2011 includes some additional new and old measurements
  • Summer 2010 HFLAV report
    • arXiv:1010.1589v3 [hep-ex], D. Asner et al., "Averages of b-hadron, c-hadron, and tau-lepton Properties"
      • (this HFLAV report includes for the first time a Tau section)

Additional useful references, which are not official HFLAV Tau reports

  • Tau 2010 proceedings contribution on HFLAV Tau on-going work

    • S.Banerjee et al., Status Report from Tau subgroup of the HFLAV,
      Proceedings of the 11th International Workshop on Tau Lepton Physics, Manchester, UK, 13-17 September 2010,
      arXiv:1101.5138 [hep-ex]

Members

  • Swagato Banerjee (University of Louisville, BABAR)
  • Marcin Chrząszcz (University of Zürich & Kraków, LHCb)
  • Kiyoshi Hayasaka (Niigata University, BELLE)
  • Hisaki Hayashii (Nara Woman's University, BELLE)
  • Alberto Lusiani (Scuola Normale Superiore and INFN Pisa, BABAR)
  • Mike Roney (University of Victoria, BABAR)
  • Boris Shwartz (BINP, BELLE)