Analyzing powers and partial wave decomposition of pn→pp(1S0- at low energies

H. Hahn, F. A. Duncan, J. Aclander, D. Ashery, E. G. Auld, D. R. Gill, D. A. Hutcheon, G. Jones, E. Korkmaz, S. Maytal-Beck, M. A. Moinester, J. A. Niskanen, D. Ottewell, A. Rahav, S. Ram, M. Sevior, P. L. Walden, R. Weiss

Research output: Contribution to journalArticlepeer-review


Analyzing powers for p→pp(1S0- were measured at beam energies 353, 404, and 440 MeV by extracting the quasifree process from pd→pppπ-. Partial wave amplitude analysis yields a significant contribution from the isospin 1, s-wave channel. This contribution is relatively much larger than that expected from theoretical models which have been successful in describing the isospin 1, s-wave channel behavior of pp→ppπ0 cross sections at threshold.

Original languageEnglish
Pages (from-to)2258-2261
Number of pages4
JournalPhysical Review Letters
Issue number11
StatePublished - 1999


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