Forward low-mass enhancement in pp seen in reactions in -d(ns)ppn and -d(ps)pp

A. E. Kreymer, P. Bonamy, B. Brabson, H. Paik, N. Baggett, C. Baglin, E. C. Fowler, D. Hood, T. Fieguth, M. S. Alam, S. E. Jones, J. S. Poucher, A. H. Rogers, S. Stone

Research output: Contribution to journalArticlepeer-review


A study of -d interactions at 13.2 GeV/c has been performed using the SLAC 2-m streamer chamber with a forward-proton trigger/spectrometer. In this paper, we discuss baryon-antibaryon final states where a forward produced pp enhancement is seen near 2.1 GeV in both ppn and pp-n final states. The measured cross section for -d(ns)ppn is 7.6+1.3 b and for -d(ps)pp-n is 6.6+1.1 b in this experiment.

Original languageEnglish (US)
Pages (from-to)36-41
Number of pages6
JournalPhysical Review D
Issue number1
StatePublished - 1980
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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