Measurements of the tau mass and the mass difference of the tau+ and tau- at BABAR
Name
Aubert-2009-Measurements of the.pdf
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Author(s)
Fisher, Peter H.
Dujmic, Denis
Cowan, Ray Franklin
Henderson, Shawn Wesley
Sciolla, Gabriella
Spitznagel, M.
Yamamoto, R. K.
Zhao, M.
Alternative Title
Measurements of the τ mass and the mass difference of the τ+ and τ- at BABAR
Date Issued
November 2009
Journal
Physical Review D
Publisher
American Physical Society
Citation
Aubert, B. et al. “Measurements of the tau mass and the mass difference of the tau^{+} and tau^{-} at BABAR.” Physical Review D 80.9 (2009): 092005. © 2009 The American Physical Society.
Version
Final published version
Abstract
We present the result from a precision measurement of the mass of the tau lepton, Mτ, based on 423 fb[subscript -1] of data recorded at the Υ(4S) resonance with the BABAR detector. Using a pseudomass endpoint method, we determine the mass to be 1776.68±0.12(stat)±0.41(syst) MeV. We also measure the mass difference between the tau+ and tau-, and obtain (Mtau+-Mtau-)/MAVGtau=(-3.4±1.3(stat)±0.3(syst))×10-4, where MAVGtau is the average value of Mtau+ and Mtau-.
MIT Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Massachusetts Institute of Technology. Department of Physics
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevD.80.092005
