Experimental Investigation of the 91Zr(p, t)89Zr Reaction at 51.7 MeV

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Abstract
The 91 Zr( p , t ) 89 Zr reaction has been studied by using 51.7-MeV protons in order to obtain informations on reaction mechanism. Emitted tritons were analyzed by a broad range magnetic spectrometer with a 200-channel counter array. Angular distributions of the tritons were obtained for the thirteen states in 89 Zr. They were compared with the DWBA calculations in which a new formalism for form factors was used. Calculated patterns of the angular distributions for the lowest four one-neutron hole states in 89 Zr less fitted the experimental results in comparison with the case for the higher states. Absolute values of the observed cross sections for the formers agreed with the calculated ones within a factor 2, but were strongly enhanced for the latters.