EPJ Web Conf.
Volume 178, 201816th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics (CGS16)
|Number of page(s)||3|
|Published online||16 May 2018|
New low-spin states of 122Xe observed via high-statistics β-decay of 122Cs
University of Guelph, Guelph, ON, Canada
2 Simon Fraser University, Burnaby, BC, Canada
3 TRIUMF, Vancouver, BC, Canada
4 University of British Columbia, Vancouver, BC, Canada
5 Georgia Institute of Technology, Atlanta, GA, USA
6 University of Kentucky, Lexington, KY, USA
a e-mail: firstname.lastname@example.org
b Present Address: McMaster University, Hamilton, ON, Canada
c Present Address: University of Surrey, Guildford, UK
d Present Address: Lund University, Lund, Sweden
e Present Address: Lawrence Berkeley National Laboratory, USA
f Present Address: Tennessee Technological University, TN, USA
g Present Address: Chalk River Laboratories, ON, Canada
h Present Address: Albion College, Michigan, USA
Published online: 16 May 2018
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.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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