Inelastic and Elastic Photoproduction of J/$$\psi$$ (3097)
- UC, Santa Barbara
The J/$$\psi$$(3097) photoproduction cross section on hydrogen has been measured at a mean photon energy of 103 GeV, using the Tagged Photon Spectrometer, Batavia, Fermi lab Illinois. The total cross section, 21. 5 ± 2.4 nb <±257. normalization> has been subdivided into 7 categories: 1> all events, 2) forward elastic, 3) forward inelastic, 4> recoil inelastic, 5) totally ela-stic, 6> inelastic, and 7) inelastic with $$z = E_{\psi}/E_{\gamma}$$ < .9, as defined in the text. The forward inelastic cross section observed in this experiment is much smaller than that seen in muoproduction experiments (16, 17), but is roughly consistent with predictions < 5). second order perturbative GCD The mean P+ of the forward inelastic events is significantly larger than that of the totally elastic events, in accord with the muoproduction experiments as well as the second order GCD predictions
- Research Organization:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1433892
- Report Number(s):
- FERMILAB-THESIS-1984-23; UMI-84-03878; 197443
- Country of Publication:
- United States
- Language:
- English
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