Published February 8, 1990
| Version v1
Journal article
Measurement of gA and gv, the neutral current coupling constants to leptons
Description
We have measured both the rates and the forward-backward asymmetry of l+l- from Zdeg→l+l- (where l=μ, τ) with the L3 detector. We obtained Γll=88±4±3 MeV and the vector neutral current coupling constant, gv=0.00±0.07 and the axial vector neutral current coupling constant, gA=-0.515±0.015. (orig.)
Additional details
Publishing Information
- Journal Title
- Physics Letters, (Section) B
- Journal Volume
- 236
- Journal Issue
- 1
- Series
- Phys. Lett., B.
- Journal Page Range
- 109-115
- ISSN
- 0370-2693
- CODEN
- PYLBA
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 21038565
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- ANGULAR DISTRIBUTION; ANNIHILATION; ASYMMETRY; AXIAL-VECTOR CURRENTS; COUPLING CONSTANTS; ELECTRON-POSITRON INTERACTIONS; ENERGY DEPENDENCE; EXCITATION FUNCTIONS; EXPERIMENTAL DATA; GEV RANGE 10-100; INTEGRAL CROSS SECTIONS; LEPTONIC DECAY; MUON PAIRS; MUONS MINUS; MUONS PLUS; NEUTRAL-CURRENT INTERACTIONS; PAIR PRODUCTION; PARTICLE WIDTHS; TAU PARTICLES; VECTOR CURRENTS; WEAK NEUTRAL CURRENTS; Z NEUTRAL BOSONS
- Descriptors DEC
- ALGEBRAIC CURRENTS; ANTILEPTONS; ANTIMATTER; ANTIPARTICLES; BASIC INTERACTIONS; BOSONS; CROSS SECTIONS; CURRENTS; DATA; DECAY; DISTRIBUTION; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; GEV RANGE; HEAVY LEPTONS; INFORMATION; INTERACTIONS; INTERMEDIATE BOSONS; INTERMEDIATE VECTOR BOSONS; LEPTON-LEPTON INTERACTIONS; LEPTONS; MATTER; MUONS; NEUTRAL CURRENTS; NUMERICAL DATA; PARTICLE DECAY; PARTICLE INTERACTIONS; PARTICLE PRODUCTION; PARTICLE PROPERTIES; WEAK INTERACTIONS; WEAK PARTICLE DECAY
Optional Information
- Collaborations
- L3 Collaboration.