Transverse quark polarization in large-p/sub T/ reactions, e/sup +/e/sup -/ jets, and leptoproduction: A test of quantum chromodynamics
Journal Article
·
· Phys. Rev. Lett.; (United States)
We point out that the polarization P of a scattered or produced quark is calculable perturbatively in quantum chromodynamics for e/sup +/e/sup -/ts-arrow-right qq-bar, large-p/sub T/ hadron reactions, and large-Q/sup 2/ leptoproduction, and is infrared finite. The quantum-chromodynamics predictions is that P = 0 in the scaling limit. Experimental tests are or will soon be possible in ppts-arrow-right ..lambda..X (where presently P (..lambda..) approx. = 25% for p/sub T/ 4 2 GeV/c) and in e/sup +/e/sup -/ts-arrow-right quark jets.
- Research Organization:
- Physics Department, University of Michigan, Ann Arbor, Michigan 48109
- OSTI ID:
- 6196259
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 41:25; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645202* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Electromagnetic Interactions & Properties
645400 -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
BAG MODEL
BASIC INTERACTIONS
COMPOSITE MODELS
ELECTROMAGNETIC INTERACTIONS
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
EXTENDED PARTICLE MODEL
FIELD THEORIES
INFRARED DIVERGENCES
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LINEAR MOMENTUM
MATHEMATICAL MODELS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
POLARIZATION
POSTULATED PARTICLES
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARK MODEL
QUARKS
TRANSVERSE MOMENTUM
645400 -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
BAG MODEL
BASIC INTERACTIONS
COMPOSITE MODELS
ELECTROMAGNETIC INTERACTIONS
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
EXTENDED PARTICLE MODEL
FIELD THEORIES
INFRARED DIVERGENCES
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LINEAR MOMENTUM
MATHEMATICAL MODELS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
POLARIZATION
POSTULATED PARTICLES
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARK MODEL
QUARKS
TRANSVERSE MOMENTUM