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Measurement of the Tau Lepton Lifetime with BaBar

Conference · · Nucl.Phys.Proc.Suppl.144:105-112,2005
OSTI ID:890357
The mean lifetime of the tau lepton is measured from the decay length distribution of 3-prong tau decays from e{sup +}e{sup -} collisions at the {Upsilon}(4S) resonance. A data sample of 80.0 fb{sup -1} collected with the BABAR detector at the PEP-II B Factory is used for this measurement. The measured tau lifetime is: {tau}{sub {tau}} = 289.40 {+-} 0.91 (stat.) {+-} 0.90 (syst.) fs. All the results are preliminary.
Research Organization:
Stanford Linear Accelerator Center (SLAC)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-76SF00515
OSTI ID:
890357
Report Number(s):
SLAC-PUB-11317
Conference Information:
Journal Name: Nucl.Phys.Proc.Suppl.144:105-112,2005
Country of Publication:
United States
Language:
English

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