The HFAG-Tau group has computed the world averages of the tau lepton properties using the experimental results available in early 2012. The tau lepton branching fractions, mass and lifetime are used to test lepton universality for charged weak currents and to compute vertical bar V-us vertical bar. For the first time, all vertical bar V-us vertical bar measurements based primarily on tau data have been combined in a single measurement. Searches for lepton flavor violating decays of the tau lepton are also summarized.

HFAG tau lepton averages

LUSIANI, Alberto;
2014

Abstract

The HFAG-Tau group has computed the world averages of the tau lepton properties using the experimental results available in early 2012. The tau lepton branching fractions, mass and lifetime are used to test lepton universality for charged weak currents and to compute vertical bar V-us vertical bar. For the first time, all vertical bar V-us vertical bar measurements based primarily on tau data have been combined in a single measurement. Searches for lepton flavor violating decays of the tau lepton are also summarized.
2014
12th International Workshop on Tau-Lepton Physics
Nagoya, JAPAN
SEP 17-21, 2012
The Twelfth International Workshop on Tau-Lepton Physics (TAU2012)
Elsevier
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11384/58737
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