Nuclear enhancement of π0 and η mesons produced at large transverse momenta

J. Povlis, J. Biel, C. Bromberg, B. Brown, C. Chandlee, S. Cihangir, S. R.W. Cooper, T. Ferbel, D. Garelick, G. Glass, M. Glaubman, S. R. Han, K. Heller, S. Hossain, J. Huston, A. Jonckheere, J. Lebritton, R. A. Lewis, F. Lobkowicz, M. McLaughlinM. Marshak, C. A. Nelson, E. Peterson, E. Pothier, K. Ruddick, M. Shupe, P. Slattery, G. A. Smith

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


The authors have measured the large-pT inclusive cross sections for π0 and η production near 90°in the center-of-mass system in 200-GeV/c π+ and proton collisions with beryllium, carbon, and aluminum targets. The cross section for both π0 and η mesons rises with increasing nucleon number (A) of the target nucleus as Aα, with α>1. The ratio of the π0 yield in pA collisions to that in π+A collisions decreases with increasing pT.

Original languageEnglish (US)
Pages (from-to)967-970
Number of pages4
JournalPhysical review letters
Issue number11
StatePublished - 1983


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