One-gluon-exchange quark scattering and large-p/sub T/ inclusive data

Journal Article · Mon Aug 01 04:00:00 EDT 1977 · Phys. Rev., D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.16.679· OSTI ID:7288983

Cutler, R; Sivers, D

Calculations based on the idea of asymptotic freedom enable one to estimate an effective quark-gluon coupling from experimental observations of scaling violations in deep-inelastic scattering, from Okubo-Zweig-Iizuku-rule--forbidden decays of the psi and the psi', and from corrections to the parton model for sigma (e/sup +/e/sup -/ ..-->.. hadrons). These estimates then make it possible to normalize the one-gluon-exchange Born term for quark-quark elastic scattering and, within the context of hard-scattering models for hadronic collisions, obtain a lower limit on large-p/sub T/ inclusive cross sections. The theoretical lower limit for the cross section is found to be slightly below CERN ISR data on pp ..-->.. ..pi../sup 0/X at ..sqrt..s = 53 GeV, p/sub T/ > or = 6 GeV. Further measurements at the CERN ISR or at projected new accelerators may be sensitive to the presence of this mechanism. Such measurements will be extremely important in testing the underlying unity of diverse reactions within the general framework of quark-gluon dynamics. They may also provide the most direct determination of the effective hadronic coupling constant.

• Research Organization: High Energy Physics Division, Argonne National Laboratory, Argonne, Illinois 60439
• OSTI ID: 7288983
• Journal Information: Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 16:3; ISSN PRVDA
• Country of Publication: United States
• Language: English

Related Subjects

645201* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- General & Scattering Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
COMPOSITE MODELS
COUPLING CONSTANTS
CROSS SECTIONS
DEEP INELASTIC SCATTERING
ELASTIC SCATTERING
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
EXCHANGE INTERACTIONS
GLUON MODEL
INCLUSIVE INTERACTIONS
INELASTIC SCATTERING
INTERACTIONS
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LINEAR MOMENTUM
MATHEMATICAL MODELS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTON MODEL
POSTULATED PARTICLES
QUARKS
S CHANNEL
SCATTERING
TRANSVERSE MOMENTUM