New low-spin states of 122Xe observed via high-statistics β -decay of 122Cs

B. Jigmeddorj, P. E. Garrett, C. Andreoiu, G. C. Ball, T. Bruhn, D. S. Cross, A. B. Garnsworthy, B. Hadinia, M. Moukaddam, J. Park, J. L. Pore, A. J. Radich, M. M. Rajabali, E. T. Rand, U. Rizwan, C. E. Svensson, P. Voss, Z. M. Wang, J. L. Wood, S. W. Yates

Research output: Contribution to journalConference articlepeer-review

Abstract

Excited states of 122Xe were studied via the β+/EC decay of 122Cs with the 8π γ-ray spectrometer at the TRIUMF-ISAC facility. Compton-suppressed HPGe detectors were used for measurements of γ-ray intensities, γγ coincidences, and γ-γ angular correlations. Two sets of data were collected to optimize the decays of the ground (21.2 s) and isomeric (3.7 min) states of 122Cs. The data collected have enabled the observation of about 505 new transitions and about 250 new levels, including 51 new low-spin states. Spin assignments have been made for 58 low-spin states based on the deduced β-decay feeding and γ-γ angular correlation analyses.

Original languageEnglish
Article number02026
JournalEPJ Web of Conferences
Volume178
DOIs
StatePublished - May 16 2018
Event16th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics, CGS 2017 - Shanghai, China
Duration: Sep 18 2017Sep 22 2017

Bibliographical note

Publisher Copyright:
© The Authors, published by EDP Sciences, 2018.

ASJC Scopus subject areas

  • Physics and Astronomy (all)

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