Color-octet quarkonia production. II

Journal Article · Sat Jun 01 04:00:00 EDT 1996 · Physical Review, D

DOI:https://doi.org/10.1103/PhysRevD.53.6203· OSTI ID:284571

Cho, P; Leibovich, A K ^[1]

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1. Lauritsen Laboratory, California Institute of Technology, Pasadena, California 91125 (United States)

We calculate the lowest order hadronic cross sections for producing colored heavy quark-antiquark pairs in {ital L}={ital S}=0 and {ital L}={ital S}=1 configurations. Such {ital Q{bar Q}}[{sup 1}{ital S}{sup (8)}{sub 0}] and {ital Q{bar Q}}[{sup 3}{ital P}{sup (8)}{sub {ital J}}] states hadronize into {psi}{sub {ital Q}} quarkonia at the same order in the NRQCD velocity expansion as previously considered {ital Q{bar Q}}[{sup 3}{ital S}{sup (8)}{sub 1}] pairs. Their contributions to prompt {psi} and {Upsilon} production at the Fermilab Tevatron bring the shapes of theoretical transverse momentum distributions into line with recent CDF measurements. We find that the best fit values for the linear combinations of {ital Q{bar Q}}[{sup 1}{ital S}{sup (8)}{sub 0}] and {ital Q{bar Q}}[{sup 3}{ital P}{sup (8)}{sub {ital J}}] long distance matrix elements which can be extracted from the data are generally consistent with NRQCD scaling rules. {copyright} {ital 1996 The American Physical Society.}

• Research Organization: California Institute of Technology
• DOE Contract Number: FG03-92ER40701
• OSTI ID: 284571
• Journal Information: Physical Review, D, Journal Name: Physical Review, D Journal Issue: 11 Vol. 53; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
COLOR MODEL
DISTRIBUTION
FERMILAB TEVATRON
J PSI-3097 MESONS
MATRIX ELEMENTS
MESON OCTETS
PARTICLE PRODUCTION
QUARKONIUM
SCALING
SPIN
TRANSVERSE MOMENTUM
UPSILON-9460 MESONS