QCD radiative corrections to the transverse spin structure function g sub 2 ( x , Q sup 2 ): Nonsinglet operators

We study QCD radiative corrections to the nucleon's transverse spin-dependent structure function {ital g}{sub 2}({ital x},{ital Q}{sup 2}) in the leading-logarithmic order for large {ital Q}{sup 2}. The anomalous-dimension matrix for the nonsinglet twist-3 operators appearing in the operator-pr...

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Veröffentlicht in:	Physical review. D, Particles and fields Particles and fields, 1990-12, Vol.42:11
Hauptverfasser:	Ji Xianodong, Chou Chihong
Format:	Artikel
Sprache:	eng
Schlagworte:	645203 - High Energy Physics- Particle Interactions & Properties-Theoretical- Weak Interactions & Properties 645400 - High Energy Physics- Field Theory BARYONS BETHE-SALPETER EQUATION CORRECTIONS DIAGRAMS ELEMENTARY PARTICLES EQUATIONS FERMIONS FEYNMAN DIAGRAM FIELD THEORIES FUNCTIONS HADRONS IMPULSE APPROXIMATION MATRIX ELEMENTS NUCLEONS PERTURBATION THEORY PHYSICS OF ELEMENTARY PARTICLES AND FIELDS QUANTUM CHROMODYNAMICS QUANTUM FIELD THEORY RADIATIVE CORRECTIONS RENORMALIZATION STRUCTURE FUNCTIONS SUM RULES ULTRAVIOLET DIVERGENCES
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Zusammenfassung:	We study QCD radiative corrections to the nucleon's transverse spin-dependent structure function {ital g}{sub 2}({ital x},{ital Q}{sup 2}) in the leading-logarithmic order for large {ital Q}{sup 2}. The anomalous-dimension matrix for the nonsinglet twist-3 operators appearing in the operator-product expansion for {ital g}{sub 2}({ital x},{ital Q}{sup 2}) is calculated and the experimental implications are discussed.
ISSN:	0556-2821 1089-4918