C(γ,πn) and C(γ,πp) reactions across the Δ resonance region

M. Liang, D. Branford, T. Davinson, D. Johnstone, J.A. Mackenzie, A.C. Shotter, J.R.M. Annand, S.J. Hall, P.D. Harty, J.D. Kellie, I.J.D. Macgregor, J.C. McGeorge, G.J. Miller, R.O. Owens, T. Yau, P. Grabmayr, T. Hehl, J. Leypoldt, T. Lamparter, A. MondryM. Sauer, R. Schneider, K. Spaeth, J. Ahrens, R. Beck

Research output: Contribution to journalArticlepeer-review

Abstract

Differential cross-sections from (γ,πn) and (γ,πp) experiments on C are presented together with a microscopic model calculation. The comparison of experimental data with theory confirms that quasifree pion production is the dominant process for the (γ,πn) reaction. The comparison of (γ,πp) with (γ,πn) data shows the importance of final state interactions, first time to experimentally study the strength and the possible mechanisms involved in the final state interaction.
Original languageEnglish
Pages (from-to)244-248
Number of pages5
JournalPhysics Letters B
Volume411
Issue number3-4
Publication statusPublished - 16 Oct 1997

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