207Pb(p,p') measurements at 135 and 61 MeV,the effective interaction and core polarization |
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Authors: | Alan Scott FTodd Baker WG Love WP Jones JD Wiggins |
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Institution: | University of Georgia, Athens, GA 30602, USA;Indiana University Cyclotron Facility and Indiana University, Bloomington, IN 47405, USA |
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Abstract: | Data at Einp = 61 and 135 MeV for neutron-hole transitions are used to study the proton-neutron part of the assumed NN force. Collective core-polarization strengths (AL) from the present fits at 135 MeV are consistent with those extracted from the (e, e') reaction for two L = 2 transitions and one L = 4 transition. This is not the case at 61 MeV where the AL values needed to fit the (p, p') data are much smaller for transitions to the hole states. A fully microscopic DWBA fit is successful for the L = 3 transition to the doublet at 2.64 MeV of excitation at Ep = 61 MeV, but fails at 135 MeV; a fully microscopic DWIA calculation provides a reasonable fit to the data at 135 MeV. |
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Keywords: | Nuclear reaction |
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