Inclusive electron production in e/sup +/e/sup -/ annihilation at 29 GeV

Journal Article · Mon May 16 04:00:00 EDT 1983 · Phys. Rev. Lett.; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.50.1542· OSTI ID:5959422

Nelson, M E; Blondel, A; Trilling, G H

The total momentum and transverse momentum spectra of electrons in e/sup +/e/sup -/ annihilation at 29 GeV have been measured. The inclusive cross section is determined to be 14.4 +- 1.6 +- 5.2 pb for momenta greater than 2 GeV/c. The average semielectronic branching ratios of charm and bottom quarks are measured to be (6.3 +- 1.2 +- 2.1)% and (11.6 +- 2.1 +- 1.7)%, respectively. The fragmentation function for bottom quarks is determined to be peaked at high z, with /sub b/ = 0.75 +- 0.05 +- 0.04. .AE

• Research Organization: Lawrence Berkeley Laboratory and Department of Physics, University of California, Berkeley, California 94720
• DOE Contract Number: AC03-76SF00515; AC03-76SF00098; AC02-76ER03064
• OSTI ID: 5959422
• Journal Information: Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 50:20; ISSN PRLTA
• Country of Publication: United States
• Language: English

Related Subjects

645101 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties
645102* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
BASIC INTERACTIONS
BRANCHING RATIO
CHARM PARTICLES
CROSS SECTIONS
DATA
DECAY
ELECTROMAGNETIC INTERACTIONS
ELECTRON-POSITRON INTERACTIONS
ELECTRONS
ELEMENTARY PARTICLES
ENERGY RANGE
EXPERIMENTAL DATA
FERMIONS
FRAGMENTATION
GEV RANGE
GEV RANGE 10-100
HADRONS
INCLUSIVE INTERACTIONS
INFORMATION
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LEPTONS
LINEAR MOMENTUM
NUMERICAL DATA
PARTICLE DECAY
PARTICLE IDENTIFICATION
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
POSTULATED PARTICLES
QUARKS
SEMILEPTONIC DECAY
TRANSVERSE MOMENTUM
WEAK PARTICLE DECAY