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Measurement of the Cabibbo-suppressed decays tau. -->. K. nu. /sub tau/ and tau. -->. K. nu. /sub tau/+n. pi. /sup 0/

Journal Article · · Phys. Rev. Lett.; (United States)
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The branching fractions for the Cabibbo-suppressed tau decays are measured using the DELCO detector at PEP. The results, R(tau..-->..K..nu../sub tau/) = (0.59 +- 0.18)% and R(tau..-->..K..nu../sub tau/+n..pi../sup 0/) = (1.71 +- 0.2 9)% including n = 0, are in agreement with the standard theory of sequential leptons and with tau-..mu..-e universality.
Research Organization:
California Institute of Technology, Pasadena, California 91125 and Stanford Linear Accelerator Center and Physics Department, Stanford University, Stanford, California 94305
DOE Contract Number:
AC03-76SF00515; AC03-81ER40050
OSTI ID:
6794576
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 52:22; ISSN PRLTA
Country of Publication:
United States
Language:
English

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Related Subjects

645102* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
BRANCHING RATIO
CABIBBO ANGLE
CHERENKOV COUNTERS
DECAY
ELEMENTARY PARTICLES
FERMIONS
HADRONS
HEAVY LEPTONS
KAONS
LEPTONS
MASSLESS PARTICLES
MEASURING INSTRUMENTS
MESONS
NEUTRINOS
PARTICLE DECAY
PEP STORAGE RINGS
PIONS
PIONS NEUTRAL
POSTULATED PARTICLES
PSEUDOSCALAR MESONS
QUARKS
RADIATION DETECTORS
SEMILEPTONIC DECAY
STORAGE RINGS
STRANGE PARTICLES
TAU NEUTRINOS
TAU PARTICLES
TIME-OF-FLIGHT METHOD
WEAK PARTICLE DECAY