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. 2007 Jul 13;99(2):022504.
doi: 10.1103/PhysRevLett.99.022504. Epub 2007 Jul 12.

Single-neutron states in (101)Sn

D Seweryniak  1 , M P Carpenter, S Gros, A A Hecht, N Hoteling, R V F Janssens, T L Khoo, T Lauritsen, C J Lister, G Lotay, D Peterson, A P Robinson, W B Walters, X Wang, P J Woods, S Zhu
Affiliations

Single-neutron states in (101)Sn

D Seweryniak et al. Phys Rev Lett. .

Abstract

The first data on the relative single-particle energies outside the doubly magic (100)Sn nucleus were obtained. A prompt 171.7(6) keV gamma-ray transition was correlated with protons emitted following the beta decay of (101)Sn and is interpreted as the transition between the single-neutron g(7/2) and d(5/2) orbitals in (101)Sn. This observation provides a stringent test of current nuclear structure models. The measured nug(7/2)-nud(5/2) energy splitting is compared with values calculated using mean-field nuclear potentials and is used to calculate low-energy excited states in light Sn isotopes in the framework of the shell model. The correlation technique used in this work offers possibilities for future, more extensive spectroscopy near (100)Sn.

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