Inclusive Δ++(1232) production in π-p interactions at 15 GeV / c

F. Barreiro*, O. Benary, J. E. Brau, J. Grunhaus, E. S. Hafen, R. I. Hulsizer, U. Karshon, V. Kistiakowsky, A. Levy, A. Napier, I. A. Pless, J. P. Silverman, P. C. Trepagnier, J. Wolfson, R. K. Yamamoto

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We present in this paper a study of the Δ++(1232) inclusive production for momentum transfer squared to the target proton, |t|<1 (GeV/c)2. We have investigated the production mechanism of the Δ++ by measuring its density matrix elements as a function of t and of the missing mass squared, MX2, and by carrying out a triple-Regge analysis. For |t|<0.4 (GeV/c)2, the Δ++ production mechanism is consistent with one-pion exchange. We have also studied the average charged multiplicity recoiling from the Δ++ as a function of MX2, for |t|<0.4 (GeV/c)2. The study yields information about the π-π- average charged multiplicity.

Original languageEnglish
Pages (from-to)681-688
Number of pages8
JournalPhysical Review D
Volume17
Issue number3
DOIs
StatePublished - 1978

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