Acta Physica Polonica B

Vol. 39, No. 3, March 2008, page 695


A Study of Levels in 149Nd Using the (d,p) and (d,t) Reactions

M. Jaskóla

The excited states in the 149Nd nucleus up to an excitation energy of about 2 MeV were investigated by (d,p) and (d,t) reactions with good energy resolution. The reaction products were analysed in a magnetic spectrograph and detected with photographic emulsion. Triton spectra from the 150Nd(d,t)149Nd reaction were measured at thirteen reaction angles from 5\circ to 125\circ and the 148Nd(d,p)149Nd reaction was studied at three angles, 60\circ , 90\circ and 125\circ , using beams of 12.1 MeV deuterons. The (d,t) angular distributions and ratios of (d,t) and (d,p) cross sections at selected angles were used to determine l values for a number of transitions. The reaction products were analysed with standard DWBA calculations and spectroscopic factors were deduced. The measured triton angular distributions are well described by the DWBA calculations and on these bases it was possible to give unambiguous assignments for a numbers of levels.

PACS numbers: 24.10.Fr, 24.50.+g, 25.50.Gx



 
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