Experimental Zn-64((d)over-right-arrow, t)Zn-63 spectroscopic factors: Guidance for isospin-symmetry-breaking calculations

TitleExperimental Zn-64((d)over-right-arrow, t)Zn-63 spectroscopic factors: Guidance for isospin-symmetry-breaking calculations
Publication TypeJournal Article
Year of Publication2013
AuthorsLeach, K. G., P. E. Garrett, I. S. Towner, G. C. Ball, V. Bildstein, B. A. Brown, G. A. Demand, T. Faestermann, P. Finlay, K. L. Green, R. Hertenberger, R. Krucken, A. A. Phillips, E. T. Rand, C. S. Sumithrarachchi, C. E. Svensson, S. Triambak, H. F. Wirth, and J. Wong
JournalPhysical Review C
Volume87
Issue6
Date PublishedJun
ISBN Number0556-2813
Accession NumberWOS:000320165500005
AbstractWith the recent inclusion of core orbitals to the radial-overlap component of the isospin-symmetry-breaking (ISB) corrections for superallowed Fermi beta decay, experimental data are needed to test the validity of the theoretical model. This work reports measurements of single-neutron pickup reaction spectroscopic factors into Zn-63, one neutron away from Zn-62, the superallowed daughter of Ga-62. The experiment was performed using a 22-MeV polarized deuteron beam, a Q3D magnetic spectrograph, and a cathode-strip focal-plane detector to analyze outgoing tritons at nine angles between 10 degrees and 60 degrees. Angular distributions and vector analyzing powers were obtained for all 162 observed states in Zn-63, including 125 newly observed levels, up to an excitation energy of 4.8 MeV. Spectroscopic factors are extracted and compared to several shell-model predictions, and implications for the ISB calculations are discussed.
URL<Go to ISI>://WOS:000320165500005
DOI10.1103/PhysRevC.87.064306
Short TitleExperimental Zn-64((d)over-right-arrow, t)Zn-63 spectroscopic factors: Guidance for isospin-symmetry-breaking calculations
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