Dependence of pp → pp π0 near threshold on the spin of the colliding nucleons

H. O. Meyer, J. T. Balewski, M. Dzemidzic, J. Doskow, R. E. Pollock, B. von Przewoski, T. Rinckel, F. Sperisen, P. Thörngren-Engblom, M. Wolanski, W. Haeberli, B. Lorentz, F. Rathmann, B. Schwartz, T. Wise, W. W. Daehnick, R. W. Flammang, Swapan K. Saha, D. J. Tedeschi, P. V. Pancella

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49 Scopus citations

Abstract

A polarized internal atomic-hydrogen target and a stored, polarized beam are used to measure the spin-dependent total cross section ΔσTtot for pp → pp π0, as well as the polar integrals of the spin correlation coefficient combination Axx − Ayy, and the analyzing power Ay at four bombarding energies between 325 and 400 MeV. This experiment is made possible by the use of a cooled beam in a storage ring. The polarization observables are used to study the contribution from individual partial waves.

Original languageEnglish (US)
Pages (from-to)3096-3099
Number of pages4
JournalPhysical Review Letters
Volume81
Issue number15
DOIs
StatePublished - Jan 1 1998
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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