Higher order corrections to the cross section of e{sup +}e{sup -{yields}}quarkonium+{gamma}
Journal Article
·
· Physical Review. D, Particles Fields
- Key Laboratory of Frontiers in Theoretical Physics, Institute of Theoretical Physics, Academia Sinica, Beijing 100190 (China)
The cross sections of e{sup +}e{sup -} to S-wave and P-wave quarkonia with C-parity even associated with a photon are analyzed in the framework of nonrelativistic Quantum Chromodynamics (NRQCD) factorization formulism. The short-distance coefficients are analytically determined up to the next-to-leading order (NLO) QCD radiative corrections to S-wave and P-wave quarkonium production and NLO relativistic correction to {eta}{sub c} production. We also invoke the analytical expressions to estimate the cross sections. Our numerical results indicate that both the QCD and the relativistic corrections are considerable.
- OSTI ID:
- 21409183
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 81, Issue 3; Other Information: DOI: 10.1103/PhysRevD.81.034028; (c) 2010 The American Physical Society; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CROSS SECTIONS
ELECTRON-POSITRON INTERACTIONS
FACTORIZATION
P WAVES
PARITY
PHOTONS
QUANTUM CHROMODYNAMICS
QUARKONIUM
RADIATIVE CORRECTIONS
RELATIVISTIC RANGE
S WAVES
BOSONS
CORRECTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
FIELD THEORIES
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
MASSLESS PARTICLES
PARTIAL WAVES
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
QUANTUM FIELD THEORY
CROSS SECTIONS
ELECTRON-POSITRON INTERACTIONS
FACTORIZATION
P WAVES
PARITY
PHOTONS
QUANTUM CHROMODYNAMICS
QUARKONIUM
RADIATIVE CORRECTIONS
RELATIVISTIC RANGE
S WAVES
BOSONS
CORRECTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
FIELD THEORIES
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
MASSLESS PARTICLES
PARTIAL WAVES
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
QUANTUM FIELD THEORY