Study of pp interactions in the momentum range 0.9 to 2.0 GeV/c

F. Shimizu, H. Koiso, Y. Kubota, F. Sai, S. Sakamoto, S. S. Yamamoto

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Abstract

pp interactions at 11 momenta in the range 0.9 to 2.0 GeV/c have been studied. The elastic angular distributions, covering the c.m. angular range 22°-90°, agree in general with Hoshizaki's phase-shift analysis which shows the looping 1Din and 3F3 amplitudes in the Argand diagram. About 80% of pnπ+ events come from the nΔ++ state at all momenta above 1.2 GeV/c. The behavior of the density matrix elements of the Δ++ show no momentum or angular dependence. A large fraction of ppπ0 events also come from the pΔ+ state at all momenta above 1.2 GeV/c. The behavior of the Δ+ density matrix elements is similar to that for the case of Δ++.

Original languageEnglish (US)
Pages (from-to)445-456
Number of pages12
JournalNuclear Physics, Section A
Volume389
Issue number3
DOIs
StatePublished - Nov 22 1982

Bibliographical note

Funding Information:
Present address: Mitsubishi Research Institute, Otemachi, Chiyoda-ku, Tokyo 100. " Present address: Wilson Laboratory, Cornell University, Ithaca, NY, USA. t Work supported in part under the auspices of the Meson Science Laboratory, University of Tokyo, and by a grant from the Japanese Ministry of Education, Science and Culture (No. 56460010). 445

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