Forward inclusive production spectrum of KS, Λ0, Λ̄0, and n in the collision of 200-GeV/c π-, K-, p̄, and p on Be

R. T. Edwards, T. Devlin, B. Edelman, L. Schachinger, G. Bunce, R. Handler, P. Martin, L. Pondrom, M. Sheaff, P. T. Cox, K. Heller, O. Overseth, P. Skubic, R. Grobel, U. Nauenberg, K. Wild

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47 Scopus citations

Abstract

We have measured the forward production spectra of various neutral particles produced by π-, K-, p̄, and p at 200 GeV/c, and by π- at 290 GeV/c incident on a Be target. The salient features of these measurements are (1) copious production of KSo at large Feynman xL for incident π- and K-, (2) production of roughly equal fluxes of Λ0 and Λ̄0 for incident π-, and (3) close similarity of the following spectra: π-→n and K-→Λ0; π-→Λ0, π-→Λ̄0, and p→KS0; π-→KS0 and p→Λ0. The overall features of the various distributions seem to agree with the ideas of dimensional counting presented in the constituent-interchange model of quark collisions. Results are presented in terms of the invariant cross section Ed3σ(xL, PT=0)dp3 per Be nucleus for each inclusive reaction.

Original languageEnglish (US)
Pages (from-to)76-85
Number of pages10
JournalPhysical Review D
Volume18
Issue number1
DOIs
StatePublished - Jan 1 1978

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