COLOR-SINGLET PSI(Q) PRODUCTION AT E(-) COLLIDERS()E()

Citation
P. Cho et Ak. Leibovich, COLOR-SINGLET PSI(Q) PRODUCTION AT E(-) COLLIDERS()E(), Physical review. D. Particles and fields, 54(11), 1996, pp. 6690-6695
Citations number
22
Categorie Soggetti
Physics, Particles & Fields
ISSN journal
05562821
Volume
54
Issue
11
Year of publication
1996
Pages
6690 - 6695
Database
ISI
SICI code
0556-2821(1996)54:11<6690:CPPAEC>2.0.ZU;2-G
Abstract
We calculate in closed form the complete O(alpha(s)(2)) color-singlet differential cross section for e(+)e(-) --> gamma --> psi(Q) + X scat tering. The cross section reduces at high energies to a heavy quark fr agmentation form. We find that the energy scale at which the approxima ted fragmentation results become reliable exceeds the psi(Q) mass by m ore than an order of magnitude. We also discuss the color-singlet mode l's predictions for direct J/psi angular and energy distributions at C LEO.