Review of the theory and phenomenology of lepton pair production. [Review Drell-Yan mechanism, parton distribution, gluon radiation, quantum chromodynamics, transverse momentum]
Recent experimental data and theoretical developments on the production of lepton pairs in hadron collisions are reviewed. With emphasis on the interplay between theory and experiment, the relevance of theoretical calculations to the data available at present energies is critically examined. The Drell--Yan mechanism is found to be phenomenologically dominant provided that the parton distribution functions contain effects of gluon radiation in a narrow cone. Explicit QCD perturbative calculations of the non-Drell--Yan type yield results that are apparently important at large transverse momenta, but are contradicated by subsequent data at 400 GeV and below. A consistent picture in the parton model is sketched. Further experiments to probe the basic mechanism are suggested. 83 references.
- Research Organization:
- Science Research Council, Chilton (UK). Rutherford High Energy Lab.
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- EY-76-S-06-2230-004
- OSTI ID:
- 6465974
- Report Number(s):
- DOE-ER-70004-203; RLO-2230-T4-203; CONF-780353-6; TRN: 79-009856
- Resource Relation:
- Conference: 13. high energy hadronic interactions sessions, Les Arcs, France, 12 Mar 1978
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
HADRON-HADRON INTERACTIONS
INCLUSIVE INTERACTIONS
PAIR PRODUCTION
LEPTONS
ANGULAR DISTRIBUTION
CROSS SECTIONS
DISTRIBUTION FUNCTIONS
GLUON MODEL
PARTON MODEL
PERTURBATION THEORY
QUANTUM CHROMODYNAMICS
REVIEWS
SUM RULES
TRANSVERSE MOMENTUM
COMPOSITE MODELS
DISTRIBUTION
DOCUMENT TYPES
ELEMENTARY PARTICLES
EQUATIONS
FERMIONS
FIELD THEORIES
INTERACTIONS
LINEAR MOMENTUM
MATHEMATICAL MODELS
PARTICLE INTERACTIONS
PARTICLE MODELS
QUANTUM FIELD THEORY
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