Gauge invariance, parton transverse momenta, and single-lepton spectra at high transverse momentum
Journal Article
·
· Phys. Rev., D; (United States)
We discuss minimal extensions of the Drell--Yan process to low Q/sup 2/, incorporating gauge invariance and transverse-momentum fluctuations of the partons. Resulting predictions for single-lepton cross sections at high P/sub T/ and for lepton pair production at low Q/sup 2/ are discussed. Existing single-lepton spectra with P/sub T/ < 5 GeV/c are not explained by these extensions of the Drell--Yan process, but for P/sub T/ > 5 GeV/c the Drell--Yan mechanism will probably dominate. (AIP)
- Research Organization:
- Department of Physics, University of California, Davis, California 95616
- OSTI ID:
- 7337013
- Journal Information:
- Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 14:5; 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
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYON-BARYON INTERACTIONS
BASIC INTERACTIONS
COMPOSITE MODELS
CROSS SECTIONS
DRELL MODEL
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
FERMIONS
GAUGE INVARIANCE
HADRON-HADRON INTERACTIONS
INTERACTIONS
INVARIANCE PRINCIPLES
LEPTONS
LINEAR MOMENTUM
MATHEMATICAL MODELS
NUCLEON-NUCLEON INTERACTIONS
PAIR PRODUCTION
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PARTON MODEL
PHOTOPRODUCTION
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
SPECTRA
TRANSVERSE MOMENTUM
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYON-BARYON INTERACTIONS
BASIC INTERACTIONS
COMPOSITE MODELS
CROSS SECTIONS
DRELL MODEL
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
FERMIONS
GAUGE INVARIANCE
HADRON-HADRON INTERACTIONS
INTERACTIONS
INVARIANCE PRINCIPLES
LEPTONS
LINEAR MOMENTUM
MATHEMATICAL MODELS
NUCLEON-NUCLEON INTERACTIONS
PAIR PRODUCTION
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PARTON MODEL
PHOTOPRODUCTION
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
SPECTRA
TRANSVERSE MOMENTUM