Study of Δ++ production in π-p interactions at 100, 200, and 360 GeV/c

  • Patrick D Higgins
  • , N. N. Biswas
  • , J. M. Bishop
  • , R. L. Bolduc
  • , N. M. Cason
  • , V. P. Kenney
  • , R. C. Ruchti
  • , W. D. Shephard
  • , W. D. Walker
  • , J. S. Loos
  • , L. R. Fortney
  • , A. T. Goshaw
  • , W. J. Robertson
  • , E. W. Anderson
  • , H. B. Crawley
  • , A. Firestone
  • , R. Floyd
  • , W. J. Kernan
  • , J. W. Lamsa
  • , D. L. Parker
  • G. A. Snow, B. Y. Oh, M. Pratap, G. Sionakides, G. A. Smith, J. Whitmore, V. Sreedhar, G. Levman, B. M. Schwarzschild, T. S. Yoon, G. Hartner, P. M. Patel, L. Voyvodic, R. J. Walker

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

We present a systematic study of Δ++ production in π-p reactions at Fermilab energies. Inclusive and semi-inclusive Δ++(1232) production cross sections are determined. We observe these cross sections to be energy independent. The invariant cross sections as a function of Feynman x and pT2 are also energy independent consistent with scaling behavior. We show that Δ++ production is consistent with a one-pion-exchange mechanism. Comparison of the density matrix elements with model predictions and results of a triple-Regge analysis both support the validity of a one-pion-exchange model.

Original languageEnglish (US)
Pages (from-to)731-742
Number of pages12
JournalPhysical Review D
Volume19
Issue number3
DOIs
StatePublished - 1979

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