Published August 17, 1989
| Version v1
Journal article
Large pT J/ψ production in the central region of AA and pp collisions
Creators
- 1. European Organization for Nuclear Research, Geneva (Switzerland). Theory Div.
- 2. Bielefeld Univ. (Germany, F.R.). Fakultaet fuer Physik
- 3. Bombay Univ. (India). Dept. of Physics
Description
We analyse large pTJ/ψ production in the central rapidity region of nucleus-nucleus (AA) and proton-proton (pp) collisions, in the framework of perturbative QCD. The nuclear effects are assumed to come entirely from the structure functions. We find qualitative similarities with the expected signature of a quark-gluon plasma. The cross section for J/ψ production in AA collisions relative to that in pp collisions is suppressed more at small pT than at large pT. The Drell-Yan production of muon pairs, on the other hand, shows very little pT dependence. (orig.)
Additional details
Publishing Information
- Journal Title
- Physics Letters, (Section) B
- Journal Volume
- 227
- Journal Issue
- 1
- Series
- Phys. Lett., B.
- Journal Page Range
- 161-166
- ISSN
- 0370-2693
- CODEN
- PYLBA
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 20074041
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- ANGULAR CORRELATION; ANNIHILATION; CHARM PARTICLES; COLOR MODEL; DEEP INELASTIC HEAVY ION REACT; DIFFERENTIAL CROSS SECTIONS; DRELL MODEL; EFFECTIVE MASS; FEYNMAN DIAGRAM; GEV RANGE 10-100; GEV RANGE 100-1000; GLUON MODEL; GLUON-GLUON INTERACTIONS; GLUONS; INCLUSIVE INTERACTIONS; J PSI-3097 MESONS; JET MODEL; MASS SPECTRA; MULTIPLE PRODUCTION; MUON PAIRS; MUONS MINUS; MUONS PLUS; NUCLEAR STRUCTURE; OXYGEN 16 REACTIONS; PAIR PRODUCTION; PARTICLE RAPIDITY; PERTURBATION THEORY; PROTON-PROTON INTERACTIONS; QUANTUM CHROMODYNAMICS; QUARK-ANTIQUARK INTERACTIONS; QUARK-GLUON INTERACTIONS; QUARKS; RELATIVISTIC PLASMA; RELATIVISTIC RANGE; THEORETICAL DATA; TRANSVERSE MOMENTUM; URANIUM 238 TARGET
- Descriptors DEC
- ANTILEPTONS; ANTIMATTER; ANTIPARTICLES; BARYON-BARYON INTERACTIONS; BOSONS; CHARMONIUM; COMPOSITE MODELS; CORRELATIONS; CROSS SECTIONS; DATA; DIAGRAMS; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; FIELD THEORIES; GEV RANGE; HADRON-HADRON INTERACTIONS; HADRONS; HEAVY ION REACTIONS; INFORMATION; INTERACTIONS; LEPTONS; LINEAR MOMENTUM; MASS; MATHEMATICAL MODELS; MATTER; MESONS; MUONS; NUCLEAR REACTIONS; NUCLEON-NUCLEON INTERACTIONS; NUMERICAL DATA; PARTICLE INTERACTIONS; PARTICLE MODELS; PARTICLE PRODUCTION; PARTICLE PROPERTIES; PLASMA; POSTULATED PARTICLES; PROTON-NUCLEON INTERACTIONS; QUANTUM FIELD THEORY; QUARK MODEL; QUARKONIUM; SPECTRA; TARGETS; VECTOR MESONS