Measurement of the spin correlation parameters All and Asl for the reaction ppd+ in the energy region 500800 MeV

D. B. Barlow*, A. Saha, K. K. Seth, T. S. Bhatia, G. Glass, J. C. Hiebert, R. A. Kenefick, S. Nath, L. C. Northcliffe, W. B. Tippens, J. J. Jarmer, J. E. Simmons, R. H. Jeppesen, G. E. Tripard

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

Angular distributions of the spin-correlation parameters Asl and All for the reaction pp+d have been measured at pion center-of-mass angles 40°+*130°at incident energies of 500, 650, and 800 MeV. Additional measurements of All were made at 600, 700, and 750 MeV. The results of the experiment are compared with the predictions of several unified coupled-channel calculations and partial-wave analyses. While the latest partial-wave analyses were found to fit the data reasonably well, all except one of the various model predictions not only do not fit the data well, but also tend to be in disagreement with each other. The data show no clear sign of a need for proposed dibaryon resonances.

Original languageEnglish (US)
Pages (from-to)1977-1986
Number of pages10
JournalPhysical Review C
Volume37
Issue number5
DOIs
StatePublished - 1988

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Barlow, D. B., Saha, A., Seth, K. K., Bhatia, T. S., Glass, G., Hiebert, J. C., Kenefick, R. A., Nath, S., Northcliffe, L. C., Tippens, W. B., Jarmer, J. J., Simmons, J. E., Jeppesen, R. H., & Tripard, G. E. (1988). Measurement of the spin correlation parameters All and Asl for the reaction ppd+ in the energy region 500800 MeV. Physical Review C, 37(5), 1977-1986. https://doi.org/10.1103/PhysRevC.37.1977