Measurement of B-meson semileptonic decay
Journal Article
·
· Phys. Rev. Lett.; (United States)
Using the Columbia University-Stony Brook detector we have measured the production of energetic electrons (E>1 GeV) in e/sup +/e/sup -/ annihilations in the center-of-mass energy range 10.4 to 11.4 GeV. We observe an enhanced electron signal at the UPSILON'''(4S) resonance, which we interpret as evidence for the ..beta.. decay of a new flavor of quark, b, bound within a new flavor meson, B. We derive a branching ratio for B..-->..Xe..nu.. of (13.6 +- 2.5 +- 3)%. The observed energy spectrum of the electrons favors the decay b..-->..ce..nu.. over b..-->..uev.
- Research Organization:
- The State University of New York at Stony Brook, Stony Brook, New York 11794
- OSTI ID:
- 6071923
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 47:11; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
Similar Records
B semileptonic decays at the. Upsilon. (4 S ) and the. Upsilon. (5 S )
Decay of b-flavored hadrons to single-muon and dimuon final states
Study of the semileptonic decays of B mesons into electrons
Journal Article
·
Mon May 13 00:00:00 EDT 1991
· Physical Review Letters; (USA)
·
OSTI ID:5593830
Decay of b-flavored hadrons to single-muon and dimuon final states
Journal Article
·
Sun Jan 11 23:00:00 EST 1981
· Phys. Rev. Lett.; (United States)
·
OSTI ID:6679455
Study of the semileptonic decays of B mesons into electrons
Thesis/Dissertation
·
Fri Dec 31 23:00:00 EST 1982
·
OSTI ID:6445742
Related Subjects
645102* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
BASIC INTERACTIONS
BOSONS
CHARM PARTICLES
CHARMED MESON RESONANCES
COMPOSITE MODELS
CROSS SECTIONS
DECAY
ELECTROMAGNETIC INTERACTIONS
ELECTRON-POSITRON INTERACTIONS
ELECTRONS
ELEMENTARY PARTICLES
ENERGY RANGE
ENERGY SPECTRA
FERMIONS
FLAVOR MODEL
GEV RANGE
GEV RANGE 10-100
HADRONS
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LEPTONS
MATHEMATICAL MODELS
MESON RESONANCES
MESONS
MONTE CARLO METHOD
PARTICLE DECAY
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
POSTULATED PARTICLES
QUARK MODEL
QUARKS
RESONANCE PARTICLES
SEMILEPTONIC DECAY
SPECTRA
WEAK PARTICLE DECAY
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
BASIC INTERACTIONS
BOSONS
CHARM PARTICLES
CHARMED MESON RESONANCES
COMPOSITE MODELS
CROSS SECTIONS
DECAY
ELECTROMAGNETIC INTERACTIONS
ELECTRON-POSITRON INTERACTIONS
ELECTRONS
ELEMENTARY PARTICLES
ENERGY RANGE
ENERGY SPECTRA
FERMIONS
FLAVOR MODEL
GEV RANGE
GEV RANGE 10-100
HADRONS
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LEPTONS
MATHEMATICAL MODELS
MESON RESONANCES
MESONS
MONTE CARLO METHOD
PARTICLE DECAY
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
POSTULATED PARTICLES
QUARK MODEL
QUARKS
RESONANCE PARTICLES
SEMILEPTONIC DECAY
SPECTRA
WEAK PARTICLE DECAY