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Measurement of the branching fraction for the Cabibbo-suppressed decay tau/sup -/. -->. K/sup -/. nu. /sub tau/

Journal Article · · Phys. Rev. Lett.; (United States)
The branching fraction for the Cabibbo-supressed decay tau/sup -/..-->..K/sup -/..nu../sub tau/ is measured from data obtained with the Mark II detector at SPEAR. Fifteen events containing a K/sup + -/ in coincidence with a muon or electron of opposite charge are observed. It is determined that B(tau/sup -/..-->..K/sup -/..nu../sub tau/) = (1.3 +- 0.5)%.
Research Organization:
Stanford Linear Accelerator Center, Stanford University, Stanford, California 94305
DOE Contract Number:
AC03-76SF00515; W-7405-ENG-48
OSTI ID:
5019802
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 48:23; ISSN PRLTA
Country of Publication:
United States
Language:
English