Published April 15, 2001
| Version v1
Journal article
Large pT J/ψ production in pp, πA and AA collisions
Creators
- 1. Tata Inst. of Fundamental Research, Bombay (India). Theory Group
- 2. Bielefeld Univ. (Germany, F.R.). Fakultaet fuer Physik
Description
Using a perturbative QCD model, we compute the production cross sections ouf J/ψ at large pT in pp, πA and AA collisions. Comparison of our computations with pp and πA data from CERN and Fermilab suggests that i) the model works well for pT ≥ 1.5 GeV at √s = 20 GeV and ii) our chosen nuclear gluon density is a good description of data. Our results for the ratio of J/ψ production in the central region of AA collisions to that in pp collisions exhibit a qualitatively similar pattern to that of the proposed signature of quark gluon plasma. (orig.)
Additional details
Publishing Information
- Journal Title
- Nuclear Physics, A
- Journal Volume
- 525
- Series
- Nucl. Phys., A.
- Journal Page Range
- 479c-482c
- ISSN
- 0375-9474
- CODEN
- NUPAB
Conference
- Title
- 8. international conference on ultrarelativistic nucleus-nucleus collisions (Quark Matter '90).
- Original Conference Title
- 8. Conference Internationale sur les Collisions d'Ions Ultrarelativistes
- Dates
- 7-11 May 1990.
- Place
- Menton (France).
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 22067964
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Resource subtype / Literary indicator
- Conference, Numerical Data
- Descriptors DEI
- ANNIHILATION; CHARM PARTICLES; COLOR MODEL; DEEP INELASTIC HEAVY ION REACT; DIFFERENTIAL CROSS SECTIONS; FERMI GAS MODEL; GEV RANGE 10-100; GEV RANGE 100-1000; GLUON MODEL; GLUON-GLUON INTERACTIONS; GLUONS; GOLD 197 TARGET; HEAVY ION REACTIONS; INCLUSIVE INTERACTIONS; J PSI-3097 MESONS; NUCLEAR STRUCTURE; OXYGEN 16 REACTIONS; PAIR PRODUCTION; PERTURBATION THEORY; PION REACTIONS; PROTON-PROTON INTERACTIONS; QUANTUM CHROMODYNAMICS; QUARK-ANTIQUARK INTERACTIONS; QUARK-GLUON INTERACTIONS; QUARKS; RELATIVISTIC PLASMA; RELATIVISTIC RANGE; SULFUR 32 REACTIONS; TEV RANGE 01-10; TEV RANGE 10-100; THEORETICAL DATA; TRANSVERSE MOMENTUM; URANIUM 238 REACTIONS; URANIUM 238 TARGET
- Descriptors DEC
- BARYON-BARYON INTERACTIONS; BOSONS; CHARMONIUM; COMPOSITE MODELS; CROSS SECTIONS; DATA; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; FIELD THEORIES; GEV RANGE; HADRON REACTIONS; HADRON-HADRON INTERACTIONS; HADRONS; INFORMATION; INTERACTIONS; LINEAR MOMENTUM; MATHEMATICAL MODELS; MESON REACTIONS; MESONS; NUCLEAR MODELS; NUCLEAR REACTIONS; NUCLEON-NUCLEON INTERACTIONS; NUMERICAL DATA; PARTICLE INTERACTIONS; PARTICLE MODELS; PARTICLE PRODUCTION; PLASMA; POSTULATED PARTICLES; PROTON-NUCLEON INTERACTIONS; QUANTUM FIELD THEORY; QUARK MODEL; QUARKONIUM; TARGETS; TEV RANGE; VECTOR MESONS