The energy dependence of 18O(π+, π−)18Ne(gs) |
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| Authors: | Peter A. Seidl C. Fred Moore S. Mordechai R. Gilman Kalvir S. Dhuga H.T. Fortune J.D. Zumbro C.L. Morris J.A. Faucett G.R. Burleson |
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| Affiliation: | University of Texas at Austin, Austin, TX 78712, USA;University of Pennsylvania, Philadelphia, PA 19104, USA;Los Alamos National Laboratory, Los Alamos, NM 87545, USA;New Mexico State University, Las Cruces, NM 88003, USA |
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| Abstract: | Eight angular distributions measured for 18(π+, π?)18Ne(gs) across the Δ33 resonance show the details of the energy dependence of the reaction. At higher energies, the maximum is at q ? 0.85 fm?1, in agreement with simple sequential scattering models, but a lower energies it is at q ? 0.5 fm?1, with the transition occuring over a narrow energy range. |
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