E2 polarization charge in 102Sn

M. Lipoglavšek, D. Seweryniak, C. N. Davids, C. Fahlander, M. Górska, R. V.F. Janssens, J. Nyberg, J. Uusitalo, W. B. Walters, I. Ahmad, J. Blomqvist, M. P. Carpenter, J. A. Cizewski, S. M. Fischer, H. Grawe, G. Hackman, M. Huhta, C. J. Lister, D. Nisius, G. PoliP. Reiter, J. Ressler, J. Schwartz, A. Sonzogni

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Abstract

The nucleus 102Sn, which is the lightest Sn isotope with known excited states, was investigated with the 50Cr(58Ni, α2n) reaction using delayed in-beam γ-ray and conversion-electron spectroscopy. The experimental setup was designed to study the decay of μs-long isomeric states by placing γ-ray and electron detectors behind the focal plane of the Fragment Mass Analyzer at the Argonne National Laboratory. A 44 keV conversion-electron line corresponding to the (6+) → (4+) transition in Sn was identified and a half-life of 0.62+0.43-0.19 μs was measured for the (6+) state. From the available experimental information neutron effective charges from 1.6 to 2.3 e were deduced, based on the comparison with different shell-model calculations.

Original languageEnglish (US)
Pages (from-to)246-250
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume440
Issue number3-4
DOIs
StatePublished - Nov 19 1998

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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