Published December 1, 2006 | Version v1
Journal article Metadata-only

Improved measurement of ψ(2S) decays into τ+τ-

Creators

  • 1. Institute of High Energy Physics, Beijing 100049 (China)

Description

Using 14M ψ(2S) events collected at BESII, the branching fraction of ψ(2S)→τ+τ- is measured to be Brττ=(3.08±0.21±0.38)x10-3, where the first error is statistical and the second is systematic

Additional details

Identifiers

DOI
10.1103/PhysRevD.74.112003;
arXiv
arXiv:hep-ex/0609023v1;

Publishing Information

Journal Title
Physical Review. D, Particles Fields
Journal Volume
74
Journal Issue
11
Journal Page Range
p. 112003-112003.6
ISSN
0556-2821
CODEN
PRVDAQ

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
38035813
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Descriptors DEI
BRANCHING RATIO; ERRORS; MULTIPARTICLE SPECTROMETERS; PARTICLE DECAY; PARTICLE IDENTIFICATION; PSI-4160 MESONS; TAU PARTICLES
Descriptors DEC
BOSONS; CHARMONIUM; DECAY; DIMENSIONLESS NUMBERS; ELEMENTARY PARTICLES; FERMIONS; HADRONS; HEAVY LEPTONS; LEPTONS; MEASURING INSTRUMENTS; MESONS; QUARKONIUM; SPECTROMETERS; VECTOR MESONS

Optional Information

Notes
(c) 2006 The American Physical Society
Collaborations
BES Collaboration