Signatures of an extra Z/sup 0/ gauge boson in elastic e/sup -/-proton scattering
Journal Article
·
· Phys. Rev. D; (United States)
We consider popular extensions of the standard model which include new heavy Z/sup 0/ gauge bosons, and examine their effect on parity violation in elastic electron-proton scattering at intermediate energies. These extensions all involve an effective low-energy symmetry group SU(3)/sub C/xSU(2)/sub L/ xU(1)/sub Y/x(U)1/sub Y//sub '/. In several special cases motivated by grand unified theories based on SO(10) and E/sub 6/, we find that a parity measurement with an accuracy of a few percent would raise the existing mass bounds on a heavy Z/sup 0/, and would reduce the range of allowed mixing angles by as much as a factor of 5. In some cases, the lower bound on a heavy Z/sup 0/ mass would be raised by more than 100 GeV over current limits.
- Research Organization:
- Continuous Electron Beam Accelerator Facility, 12070 Jefferson Avenue, Newport News, Virginia 23606
- OSTI ID:
- 6536768
- Journal Information:
- Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 39:1; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645203* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Weak Interactions & Properties
645300 -- High Energy Physics-- Particle Invariance Principles & Symmetries
645400 -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
ELASTIC SCATTERING
ELECTRON-NUCLEON INTERACTIONS
ELECTRON-PROTON INTERACTIONS
ELEMENTARY PARTICLES
FIELD THEORIES
GAUGE INVARIANCE
GRAND UNIFIED THEORY
INTERACTIONS
INTERMEDIATE BOSONS
INTERMEDIATE VECTOR BOSONS
INVARIANCE PRINCIPLES
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LIE GROUPS
MASS
MATHEMATICAL MODELS
P INVARIANCE
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
QUANTUM FIELD THEORY
SCATTERING
SO GROUPS
SO-10 GROUPS
STANDARD MODEL
SU GROUPS
SU-2 GROUPS
SU-3 GROUPS
SYMMETRY BREAKING
SYMMETRY GROUPS
U GROUPS
U-1 GROUPS
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
Z NEUTRAL BOSONS
645300 -- High Energy Physics-- Particle Invariance Principles & Symmetries
645400 -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
ELASTIC SCATTERING
ELECTRON-NUCLEON INTERACTIONS
ELECTRON-PROTON INTERACTIONS
ELEMENTARY PARTICLES
FIELD THEORIES
GAUGE INVARIANCE
GRAND UNIFIED THEORY
INTERACTIONS
INTERMEDIATE BOSONS
INTERMEDIATE VECTOR BOSONS
INVARIANCE PRINCIPLES
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LIE GROUPS
MASS
MATHEMATICAL MODELS
P INVARIANCE
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
QUANTUM FIELD THEORY
SCATTERING
SO GROUPS
SO-10 GROUPS
STANDARD MODEL
SU GROUPS
SU-2 GROUPS
SU-3 GROUPS
SYMMETRY BREAKING
SYMMETRY GROUPS
U GROUPS
U-1 GROUPS
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
Z NEUTRAL BOSONS