Pion double charge exchange above the Δ(1232) resonance

Allen L. Williams, L. Agnew, L. G. Atencio, H. W. Baer, M. Burlein, G. R. Burleson, K. S. Dhuga, H. T. Fortune, G. S. Kyle, J. A. McGill, C. Fred Moore, C. L. Morris, S. Mordechai, J. M. O'Donnell, M. W. Rawool, S. Schilling, J. D. Silk, J. D. Zumbro

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24 Scopus citations


First measurements of exclusive cross sections for the (π+, π-) reaction at incident energies of 300-500 MeV are reported. For the analog-state transitions in 14C and 18O the 5° cross sections are found to remain nearly constant in this energy interval. This behavior is in disagreement both with predictions based on six-quark cluster models and with simple expectations based on recent single-charge-exchange measurements.

Original languageEnglish
Pages (from-to)11-14
Number of pages4
JournalPhysics Letters B
Issue number1-2
StatePublished - 5 Jan 1989


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