Complete Next-to-Leading-Order Corrections to J/psi Photoproduction in Nonrelativistic Quantum Chromodynamics
Journal Article
·
· Physical Review Letters
- II. Institut fuer Theoretische Physik, Universitaet Hamburg, Luruper Chaussee 149, 22761 Hamburg (Germany)
We calculate the cross section of inclusive direct J/psi photoproduction at next-to-leading order within the factorization formalism of nonrelativistic quantum chromodynamics for the first time including the full relativistic corrections due to the intermediate {sup 1}S{sub 0}{sup [8]}, {sup 3}S{sub 1}{sup [8]}, and {sup 3}P{sub J}{sup [8]} color-octet states. A comparison of our results to recent H1 data suggests that the color-octet mechanism is indeed realized in J/psi photoproduction, although the predictivity of our results still suffers from uncertainties in the color-octet long-distance matrix elements.
- OSTI ID:
- 21386801
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 7 Vol. 104; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BASIC INTERACTIONS
BOSONS
CHARMONIUM
COLOR MODEL
COMPOSITE MODELS
CORRECTIONS
CROSS SECTIONS
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
FACTORIZATION
FIELD THEORIES
HADRONS
HYDROGEN 1
HYDROGEN ISOTOPES
INTERACTIONS
ISOTOPES
J PSI-3097 MESONS
LIGHT NUCLEI
MATHEMATICAL MODELS
MATRIX ELEMENTS
MESONS
NUCLEI
ODD-EVEN NUCLEI
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PHOTOPRODUCTION
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARK MODEL
QUARKONIUM
RELATIVISTIC RANGE
STABLE ISOTOPES
VECTOR MESONS
BASIC INTERACTIONS
BOSONS
CHARMONIUM
COLOR MODEL
COMPOSITE MODELS
CORRECTIONS
CROSS SECTIONS
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
FACTORIZATION
FIELD THEORIES
HADRONS
HYDROGEN 1
HYDROGEN ISOTOPES
INTERACTIONS
ISOTOPES
J PSI-3097 MESONS
LIGHT NUCLEI
MATHEMATICAL MODELS
MATRIX ELEMENTS
MESONS
NUCLEI
ODD-EVEN NUCLEI
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PHOTOPRODUCTION
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARK MODEL
QUARKONIUM
RELATIVISTIC RANGE
STABLE ISOTOPES
VECTOR MESONS