Physics
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aps..aprl10008a&link_type=abstract
American Physical Society, 2009 APS April Meeting, May 2-5, 2009, abstract #L10.008
Physics
Scientific paper
The structure of the N=90 and neighboring nuclei have been of recent interest due to an unusual number of low-lying 0^+ states and a rapid change from vibrational to rotational character. The single, unpaired neutron in ^155Gd (N=91) acts as a probe to the ^154Gd (N=90) core. To study this, an experiment was conducted at the 88-Inch Cyclotron at LBNL using the STARS and LiBerACE detector arrays. A 25 MeV proton beam incident onto a ^156Gd target was used to populate states in ^155Gd by the (p,dγ) reaction. The exit channel of the reaction and the residual excitation energy of the nucleus were tagged by detecting scattered charged particles in a Si telescope array (STARS) while coincident gamma rays were detected using 6 Ge clovers and 1 Ge LEPS detector of the LiBerACE array. Particle-γ and particle-γ-γ correlations are used to probe the structure of ^155Gd. Preliminary results are presented.
Allmond J. M.
Beausang C. W.
Darakchieva B. K.
Ross T. J.
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