A Way to Measure Polarized Gluon Distributions

Abstract

Effects of the spin-dependent gluon distributions on J/$\psi$ productions in polarized ep and pp collisions are investigated. These productions serve as a very clean probe of the spin-dependent gluon distributions in a proton.

Comments: LaTeX file, 6 pages+5 figures available upon request, KOBE-FHD-94-01, Talk delivered at meeting on "Particle Physics and its Future", YITP (Japan), Jan. 17-21, 1994