ωπ Resonances and ππ s-wave structures as observed in pp annihilations at rest

P. Frenkiel,C. Ghesquière,E. Lillestøl,S.U. Chung,J. Diaz, A. Ferrando,L. Montanet

Nuclear Physics B（1972）

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摘要

A detailed analysis of about 7400 events of type: pp → ωoπ+π−, the annihilations occuring at rest, shows some evidence for the presence of two ωπ± resonances with M ∼ 1250 MeV, spin 1 and opposite parities.

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