Observation of a quasideuteron component in the reaction C12(π+, 2p)

A. Altman*, E. Piasetzky, J. Lichtenstadt, A. I. Yavin, D. Ashery, R. J. Powers, W. Bertl, L. Felawka, H. K. Walter, R. G. Winter, J. V.D. Pluym

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

The reaction C12(π+, 2p) was studied at 165 and 245 MeV over a broad kinematic range by coincidence measurement of the outgoing protons. The p-p angular correlations and proton energy spectra allow an identification of the "quasideuteron" component of the reaction. The angular distribution of this component has a shape similar to that of the π+d→pp reaction. It is found that one-step quasideuteron absorption accounts for at most 25% of the total absorption cross section.

Original languageEnglish
Pages (from-to)1187-1190
Number of pages4
JournalPhysical Review Letters
Volume50
Issue number16
DOIs
StatePublished - 1983

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