Inclusive J/psi Production in e+ e- Annihilation in the Energy Range from 4.0-GeV to 5.0-GeV
Mar, 19774 pages
Published in:
- Phys.Lett.B 68 (1977) 283
- Published: 1977
Report number:
- DESY-77-17
Experiments:
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Abstract: (Elsevier)
We report on inclusive production of J ψ (3.1)-mesons observed in e + e − -annihilation in the energy range s = 4.0–5.0 GeV . After substraction of the radiative tail of the ψ(3.7) direct production of the J ψ (3.1) is found to be in the order of 0.1% of the total hadronic cross section. No enhancements are seen at s = 4.03 GeV and 4.4 GeV. The level is in agreement with expectations from violation of the Zweig-rule.- ELECTRON POSITRON: ANNIHILATION
- ANNIHILATION: ELECTRON POSITRON
- ELECTRON POSITRON: INCLUSIVE REACTION
- ELECTRON POSITRON: COLLIDING BEAMS
- COLLIDING BEAMS: ELECTRON POSITRON
- J/PSI(3100): ELECTROPRODUCTION
- ELECTROPRODUCTION: J/PSI(3100)
- J/PSI(3100): DIRECT PRODUCTION
- MUON+: FINAL STATE
- FINAL STATE: MUON+
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