|Author||Lieber, A. ♦ Whitten, C. A.|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||PHYSICS ♦ ANGULAR DISTRIBUTION ♦ COINCIDENCE METHODS ♦ CROSS SECTIONS ♦ CRYSTAL COUNTERS ♦ ENERGY LEVELS ♦ EXCITATION ♦ GADOLINIUM 156 ♦ HOLMIUM 165 ♦ NUCLEAR REACTIONS ♦ PARITY ♦ PROTON BEAMS ♦ RESOLUTION ♦ ROTATION ♦ SCATTERING ♦ SPIN|
|Abstract||Elastic and inelastic scattering of 17.5-Mev protons by the low-lying rotational levels of holmium-165 and gadolinium-156 was studied using a telescopic array of solidstate detectors with a resolution of about 60 kev. Angular distributions were obtained for the ground state (7/2/sup -/), first excited state (9/2/sup -/), and second excited state (11/2/sup -/) of holmium- 165, and the ground state (0/sup +/), first excited state (2/sup +/), and second excited state (4/sup +/) of gadolinium-156. The cross section for the first excited state of Ho/sup 165/ is an order of magnitude below that of the ground state. The ratio of the first excited state of Ho/sup 165/ to that of the second does not agree with the prediction given by first-order direct reaction theory. There is some evidence that the third-excited state of Gd/sup 156/ (6/sup +/) is weakly excited by 17.5-Mev protons. (auth)|
|Learning Resource Type||Article|
|Publisher Department||Princeton Univ., N.J.|
|Technical Publication No.||PUC-1963-111|
|Organization||Princeton Univ., N.J.|
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