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Measurement of the branching fraction beta(tau(-) -> pi(0) nu(tau))
Ammar, Raymond G. Ball, S. Baringer, Philip S. Bean, Alice Besson, David Zeke Coppage, Don Copty, N. Davis, Robin E. P. Hancock, N. Kelly, M.
Ammar, Raymond G.
Ball, S.
Baringer, Philip S.
Bean, Alice
Besson, David Zeke
Coppage, Don
Copty, N.
Davis, Robin E. P.
Hancock, N.
Kelly, M.
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Abstract
Using data from the CLEO II detector at the Cornell Electron Storage Ring, we measure B(tau- --> h-pi0nu(tau)) where h- refers to either pi- or K-. We use three different methods to measure this branching fraction. The combined result is beta(tau- --> h- pi0nu(tau)) = 0.2587 +/- 0.0012 +/- 0.0042, in good agreement with standard model predictions.
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Date
1994-06
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AMERICAN PHYSICAL SOC
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ARTUSO, M, GOLDBERG, M, et al. MEASUREMENT OF THE BRANCHING FRACTION BETA(TAU(-)-]H(-)PI(0)NU(TAU)). PHYSICAL REVIEW LETTERS. June 1994. 72(24) : 3762-3766