Some phenomenological aspects of the SU(2) sub q times SU(2) sub l times U(1) sub Y model

Journal Article · Thu Feb 01 04:00:00 EST 1990 · Physical Review, D (Particles Fields); (USA)

DOI:https://doi.org/10.1103/PhysRevD.41.946· OSTI ID:7103094

Barger, V ^[1]; Rizzo, T ^[2]

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1. Physics Department, University of Wisconsin, Madison, Wisconsin 53706 (USA)
2. Physics Department, University of Wisconsin, Madison, Wisconsin 53706 Ames Laboratory and Department of Physics, Iowa State University, Ames, Iowa 50011 (USA)

We examine the implications of the recently proposed un-unified SU(2){sub {ital q}}{times}SU(2){sub {ital l}}{times}U(1){sub {ital Y}} model for the extra-gauge-boson decay widths and hadronic production rates, the {ital e}{sup +}{ital e}{sup {minus}}{r arrow}{mu}{sup +}{mu}{sup {minus}} and {ital {bar p}p} asymmetries, the {ital B}-meson semileptonic branching fraction, {ital B}{sup 0}-{bar {ital B}} {sup 0} mixing, and the {ital CP}-violating parameter {epsilon}. A perturbative requirement gives the bound sin{phi}{approx gt}0.22 on the new mixing angle. Current searches at the Fermilab Tevatron collider for an extra {ital Z} boson can place a mass bound {ital M}{sub {ital Z}{sub {ital H}}}{approx gt}250 GeV. The hadronic decays of {ital W}{sub {ital H}},{ital Z}{sub {ital H}} produced in {ital {bar p}p} collisions may be observable as enhancements in the two-jet invariant-mass distribution. The enhanced low-energy nonleptonic interaction improves the agreement with experiment of the predicted {ital B}-meson semileptonic branching fraction.

• DOE Contract Number: AC02-76ER00881
• OSTI ID: 7103094
• Journal Information: Physical Review, D (Particles Fields); (USA), Journal Name: Physical Review, D (Particles Fields); (USA) Vol. 41:3; ISSN PRVDA; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

645203* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Weak Interactions & Properties
645300 -- High Energy Physics-- Particle Invariance Principles & Symmetries
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
ANNIHILATION
ANTILEPTONS
ANTIMATTER
ANTIPARTICLES
B MESONS
BARYON-BARYON INTERACTIONS
BASIC INTERACTIONS
BOSONS
BRANCHING RATIO
CYCLIC ACCELERATORS
DECAY
ELECTROMAGNETIC INTERACTIONS
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
FERMILAB TEVATRON
FERMIONS
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
JET MODEL
LEPTON-LEPTON INTERACTIONS
LEPTONS
LIE GROUPS
MASS SPECTRA
MATHEMATICAL MODELS
MESONS
MUONS
MUONS MINUS
MUONS PLUS
NUCLEON-ANTINUCLEON INTERACTIONS
PARTICLE DECAY
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PROTON-ANTIPROTON INTERACTIONS
PSEUDOSCALAR MESONS
SEMILEPTONIC DECAY
SPECTRA
STANDARD MODEL
SU GROUPS
SU-2 GROUPS
SYMMETRY BREAKING
SYMMETRY GROUPS
SYNCHROTRONS
U GROUPS
U-1 GROUPS
UNIFIED GAUGE MODELS
WEAK PARTICLE DECAY