Precise SU(5) predictions for sin/sup 2/theta/sub W/ /sup exp/, m/sub W/, and m/sub Z/
Journal Article
·
· Phys. Rev. Lett.; (United States)
Radiative corrections to v-induced neutral-current scattering are computed for an arbitrary grand unified theory Gcontains(SU(3))/sub c/x(SU(2))/sub L/xU(1). Applying to the Georgi-Glashow SU(5) model with a single superheavy mass leads, for ..lambda../sub M/S (the mass scale of quantum chromodynamics)=0.4 GeV, to the precise predictions sin/sup 2/theta/sub W/ /sup(..mu..;l)(0)=0.2104 for ..nu../sub ..mu../-lepton scattering at q/sup 2/=0 and sin/sup 2/theta/sub W/ /sup( nu;h/)(-20 GeV/sup 2/)=0.2098 for deep-inelastic ..nu..-hadron scattering. This result, together with our previous radiative corrections to m/sub W/ sintheta/sub W/ gives the SU(5) predictions m/sub W/=84.36 GeV and m/sub Z/=94.91 GeV.
- Research Organization:
- Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60201
- OSTI ID:
- 6666965
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 46:3; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645203* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Weak Interactions & Properties
645302 -- High Energy Physics-- Particle Invariance Principles & Symmetries-- Applications to Electromagnetic & Weak Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
CORRECTIONS
COUPLING CONSTANTS
DATA
DEEP INELASTIC SCATTERING
ELEMENTARY PARTICLES
INELASTIC SCATTERING
INFORMATION
INTERACTIONS
INTERMEDIATE BOSONS
INTERMEDIATE VECTOR BOSONS
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LIE GROUPS
MASS FORMULAE
NEUTRAL-CURRENT INTERACTIONS
NEUTRINO-ELECTRON INTERACTIONS
NEUTRINO-NUCLEON INTERACTIONS
NUMERICAL DATA
PARTICLE INTERACTIONS
POSTULATED PARTICLES
RADIATIVE CORRECTIONS
RENORMALIZATION
SCATTERING
SU GROUPS
SU-5 GROUPS
SYMMETRY GROUPS
THEORETICAL DATA
645302 -- High Energy Physics-- Particle Invariance Principles & Symmetries-- Applications to Electromagnetic & Weak Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
CORRECTIONS
COUPLING CONSTANTS
DATA
DEEP INELASTIC SCATTERING
ELEMENTARY PARTICLES
INELASTIC SCATTERING
INFORMATION
INTERACTIONS
INTERMEDIATE BOSONS
INTERMEDIATE VECTOR BOSONS
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LIE GROUPS
MASS FORMULAE
NEUTRAL-CURRENT INTERACTIONS
NEUTRINO-ELECTRON INTERACTIONS
NEUTRINO-NUCLEON INTERACTIONS
NUMERICAL DATA
PARTICLE INTERACTIONS
POSTULATED PARTICLES
RADIATIVE CORRECTIONS
RENORMALIZATION
SCATTERING
SU GROUPS
SU-5 GROUPS
SYMMETRY GROUPS
THEORETICAL DATA