Conversion-electron spectroscopy and gamma-gamma angular correlation measurements in 116Sn

D. S. Cross, J. L. Pore, C. Andreoiu, G. C. Ball, P. C. Bender, A. S. Chester, R. Churchman, G. A. Demand, A. Diaz Varela, R. Dunlop, A. B. Garnsworthy, P. E. Garrett, G. Hackman, B. Hadinia, B. Jigmeddorj, A. T. Laffoley, A. Liblong, R. Kanungo, D. T. Miller, B. NoakesC. M. Petrache, K. Starosta, C. E. Svensson, P. Voss, Z. M. Wang, J. M. Wilson, J. L. Wood, S. W. Yates

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Abstract

The 116Sn nucleus was studied via the β- decay of 116In utilizing the 8 π spectrometer and its auxiliary detectors at TRIUMF-ISAC. The resulting K-shell conversion coefficients, K/L ratios, and multipole mixing ratios are presented. The 23+→21+931 keV and 22+→21+819 keV transition mixing ratios were re-measured and found to be δ=+1.8-0.5+0.7 and - 1. 83 (8) , respectively. Newly measured mixing ratios for transitions among the low-lying Iπ= 4 + states in 116Sn, when combined with γ-ray intensity data, suggest that the 2529 keV 42+ state possesses a neutron broken-pair admixture in addition to its dominant proton 2p-2h component.

Original languageEnglish
Article number216
JournalEuropean Physical Journal A
Volume53
Issue number11
DOIs
StatePublished - Nov 1 2017

Bibliographical note

Publisher Copyright:
© 2017, SIF, Springer-Verlag GmbH Germany, part of Springer Nature.

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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