Hadronic production of J/Ψ at large χF in 800 GeV p+Cu and p+Be collisions
- Univ. of California, Berkeley, CA (United States)
The differential cross-section dσ/dxF for J/Ψ production in 800 GeV proton-nucleus collisions has been measured in the kinematic range 0.30 ≤ xF ≤ 0.95 and xF < p$$\perp$$ < 5 GeV through the decay mode J/Ψ → μ+μ-. The nuclear dependence of J/Ψ production over this range was measured using copper and beryllium targets. The differential cross sections are in good agreement with the predictions of the symbolical parton duality model. The data show no evidence for an intrinsic charm component in the proton. The ratio of the differential cross sections for copper and beryllium shows a suppression of J/Ψ production in copper which increases with increasing xF.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 10131744
- Report Number(s):
- LBL--33331; ON: DE93007706
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
662340
663430
663520
663550
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
A = 59-89
A = 6-19
BEAUTY PARTICLES
BERYLLIUM 9 TARGET
COPPER
DATA ACQUISITION SYSTEMS
DIFFERENTIAL CROSS SECTIONS
FINAL-STATE INTERACTIONS
HADRON INTERACTIONS
J PSI-3097 MESONS
MASS SPECTRA
MONTE CARLO METHOD
NUCLEON-INDUCED REACTIONS AND SCATTERING
PARTICLE PRODUCTION
PROTON-NUCLEON INTERACTIONS
663430
663520
663550
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
A = 59-89
A = 6-19
BEAUTY PARTICLES
BERYLLIUM 9 TARGET
COPPER
DATA ACQUISITION SYSTEMS
DIFFERENTIAL CROSS SECTIONS
FINAL-STATE INTERACTIONS
HADRON INTERACTIONS
J PSI-3097 MESONS
MASS SPECTRA
MONTE CARLO METHOD
NUCLEON-INDUCED REACTIONS AND SCATTERING
PARTICLE PRODUCTION
PROTON-NUCLEON INTERACTIONS