Adependence ofJψproduction inπ−-nucleus collisions at 530 GeV/c
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields1990Vol. 41(1), pp. 1–8
Citations Over TimeTop 10% of 1990 papers
S. Kartik, R.R. Crittenden, K. De, A. Dzierba, R. Li, Stephen Markham, T. Marshall, J. Valentin, P. Smith, T. Sulanke, K. Welch, A. Ziemiński, R. Vazquez Gomez, J. Krider, Haim Goldberg, S. Margulies, J. Solomon, C. L. Davis, L. Dauwe, V. Abramov, Yu.M. Antipov, B. Baldin, S. P. Denisov, V. Yu. Glebov, Yu.P. Gorin, V. Koreshev, A. Petrukhin, V. Sirotenko, R.M. Sulyaev
Abstract
The $A$ dependence of the cross section for $\frac{J}{\ensuremath{\psi}}$ production was measured in the Feynman-$x$ region $0.1\ensuremath{\le}{x}_{F}\ensuremath{\le}0.8$ with a 530-GeV/c ${\ensuremath{\pi}}^{\ensuremath{-}}$ beam. Thick targets of C, Al, Cu, and Pb were employed. Using the cross-section parametrization $\ensuremath{\sigma}={\ensuremath{\sigma}}_{0}{A}^{\ensuremath{\alpha}}$, we find $\ensuremath{\alpha}=0.85\ifmmode\pm\else\textpm\fi{}0.06$. No statistically significant dependence of $\ensuremath{\alpha}$ on either ${x}_{F}$ or transverse momentum ${p}_{t}$ is observed.
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