Inclusive hadronic production cross sections measured in proton-nucleus collisions at √s =27.4 GeV

J. A. Crittenden, Y. B. Hsiung, D. M. Kaplan, J. R. Hubbard, Ph Mangeot, A. Peisert, G. Charpak, F. Sauli, C. N. Brown, S. Childress, D. A. Finley, A. S. Ito, A. M. Jonckheere, H. Jostlein, L. M. Lederman, R. Orava, S. R. Smith, K. Sugano, K. Ueno, A. MakiY. Sakai, Y. Hemmi, K. Miyake, T. Nakamura, M. R. Adams, H. D. Glass, D. E. Jaffe, J. Kirz, R. L. McCarthy, R. Gray, R. E. Plaag, J. E. Rothberg, J. P. Rutherfoord, K. K. Young

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


We present results on the production of hadrons in collisions of 400-GeV/c protons with beryllium, copper, and tungsten nuclei. The data cover the region from 5.6 to 8.0 GeV/c in the transverse momentum of the final-state hadron and from 73° to 102° in the proton-nucleon center-of-momentum frame production angle theta*. The restriction of the data to values of xT (xT=2pT/ s) greater than 0.4 enriches the sample with hard collisions of valence quarks. Asymmetries about theta*=90° reflect the presence of neutrons in the target nuclei. The variation of the atomic-weight dependence parameter with production angle is discussed in the context of the phenomenology of nucleonic structure within nuclei. We also extrapolate our measurements to a deuteron target to minimize nuclear effects and compare the result to QCD calculations.

Original languageEnglish (US)
Pages (from-to)2584-2600
Number of pages17
JournalPhysical Review D
Issue number9
StatePublished - 1986

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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