Higher twist QCD terms in high-p/sub T/ pion production
Conference
·
OSTI ID:6592448
The higher twist subprocesses qG ..-->.. q..pi../sup + -/ and q anti q ..-->.. G..pi../sup + -/ in the framework of perturbative Quantum Chromodynamics (QCD) are investigated. Cross sections for these processes are compared with the minimum twist QCD results for q anti q ..-->.. q anti q and qG ..-->.. qG. The higher twist terms give sizeable corrections to the inclusive pion yields, particularly for q anti q initial states. The effects of higher twist QCD terms for the charge ratio, N(..pi../sup -/N ..-->.. ..pi../sup -/X)/N(..pi../sup -/N ..-->.. ..pi../sup +/X) are examined.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 6592448
- Report Number(s):
- ANL-HEP-CP-80-59; CONF-800724-74
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645204* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
CORRECTIONS
DATA
ELEMENTARY PARTICLES
FIELD THEORIES
HADRONS
INFORMATION
MESONS
NUMERICAL DATA
PARTICLE PRODUCTION
PERTURBATION THEORY
PIONS
PIONS MINUS
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
THEORETICAL DATA
TWISTOR THEORY
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
CORRECTIONS
DATA
ELEMENTARY PARTICLES
FIELD THEORIES
HADRONS
INFORMATION
MESONS
NUMERICAL DATA
PARTICLE PRODUCTION
PERTURBATION THEORY
PIONS
PIONS MINUS
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
THEORETICAL DATA
TWISTOR THEORY