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Publisher's URL: http://dx.doi.org/10.1016/S0146-6410(00)00063-6
Nucleon-nucleon correlations were studied in two (e,e'pp) experiments. The first one, on /sup 12/C, was performed in close to 4 pi geometry at E/sub beam/=705 MeV, w=225 MeV, and q=412 MeV/c. The electrons were observed in a large-acceptance magnetic spectrometer in coincidence with protons detected in a BGO crystal ball. Missing energy and momentum, relative momentum and angular distributions were derived and compared with a factorised two-nucleon emission model. A G-matrix correlation function is favoured by the data. The second experiment was a high resolution study of the reaction /sup 16/O(e,e'pp)/sup 14/C in super-parallel kinematics. Three magnetic spectrometers were used in coincidence at E/sub beam/=855 MeV, w=215 MeV, q=316 MeV/c. A missing momentum (pair momentum) range -100 MeV/c lt or=P/sub m/ lt or=450 MeV/c was sampled. Two-hole states were preferentially excited, with an energy resolution of 500 keV. Their momentum distributions are compared with unfactorised model calculations which make use of realistic NN potentials.
|Glasgow Author(s) Enlighten ID:||Rosner, Professor Guenther|
|Subjects:||Q Science > QC Physics|
|College/School:||College of Science and Engineering > School of Physics and Astronomy|
|Journal Name:||Progress in Particle and Nuclear Physics|