Measurement of the branching fraction of the decay UPSILON(1S). -->. tau/sup +/tau/sup -/

Journal Article · Mon Mar 21 00:00:00 EST 1983 · Phys. Rev. Lett.; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.50.877· OSTI ID:6237633

Giles, R; Hassard, J; Hempstead, M

The branching fraction for the decay of the UPSILON(1S) into tau pairs has been measured to be 3.4 +- 0.4 +- 0.4%. This result agrees with the previously measured branching ratio of the decay into muon pairs.

• Research Organization: Harvard University, Cambridge, Massachusetts 02138
• OSTI ID: 6237633
• Journal Information: Phys. Rev. Lett.; (United States), Vol. 50:12
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
UPSILON-9500 RESONANCES
LEPTONIC DECAY
BRANCHING RATIO
CESR STORAGE RING
EXPERIMENTAL DATA
S STATES
TAU PARTICLES
BASIC INTERACTIONS
BOSONS
DATA
DECAY
ELEMENTARY PARTICLES
ENERGY LEVELS
FERMIONS
HADRONS
HEAVY LEPTONS
INFORMATION
INTERACTIONS
LEPTONS
MESON RESONANCES
MESONS
NUMERICAL DATA
PARTICLE DECAY
POSTULATED PARTICLES
RESONANCE PARTICLES
STORAGE RINGS
UPSILON RESONANCES
WEAK INTERACTIONS
WEAK PARTICLE DECAY
645102* - High Energy Physics- Particle Interactions & Properties-Experimental- Weak Interactions & Properties