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Pauli correlation and spin effects in intermediate energy proton-nucleus inelastic scattering

Thesis/Dissertation ·
OSTI ID:5480200
Inelastic scattering of near 1 GeV protons from spin zero nuclei is studied using Gauber theory. Two different versions of a correlation expansion for the A-body nuclear transition density required to evaluate the Glauber amplitude are tested. A central NN amplitude and antisymmetrized oscillator wave functions, containing only Pauli correlations, are used to calculate the exact Glauber amplitude as well as various terms in the correlation expansions for the excitation of the 3-(6.13 MeV) state of /sup 16/O and the 5-(4.49 Mev) state of /sup 40/Ca. The leading term in both expansions which ignores all correlations and corresponds to the Glauber theory version of the DWIA, leads to errors which are larger than present experimental errors, especially at large momentum transfers. In one version of the correlation expansion, due to Alkhazov et. al., the first order correction leads to satisfactory results. In the other version, used by Abgrall et. al., the first- and second-order corrections are needed to obtain accuracy comparable to that of the latest experiments. The cross section and the polarization for the excitation of the 3-(6.13MeV) state of /sup 16/O are then calculated in the DWIA using an NN amplitude with a spin-orbit (SO) component.
Research Organization:
Rutgers--the State Univ., New Brunswick, NJ (USA)
OSTI ID:
5480200
Country of Publication:
United States
Language:
English