Ground-state and pairing-vibrational bands with equal quadrupole collectivity in 124Xe
Abstract
The nuclear structure of 124Xe has been investigated via measurements of the β+/EC decay of 124Cs with the 8π γ-ray spectrometer at the TRIUMF-ISAC facility. The data collected have enabled branching ratio measurements of weak, low-energy transitions from highly excited states, and the 2+ → 0+ in-band transitions have been observed. Combining these results with those from a previous Coulomb excitation study, $$B(E2; 2^+_3 → 0^+_2)$$ = 78(13) W.u. and $$B(E2; 2^+_4 → 0^+_3)$$ = 53(12) W.u. were determined. The $$0^+_3$$ state, in particular, is interpreted as the main fragment of the proton-pairing vibrational band identified in a previous 122Te(3He,n)124Xe measurement, and has quadrupole collectivity equal to, within uncertainty, that of the ground-state band.
- Authors:
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- Univ. of Guelph, ON (Canada)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Simon Fraser Univ., Burnaby, BC (Canada)
- TRIUMF, Vancouver, BC (Canada)
- Univ. of the Western Cape, Bellville (South Africa)
- Georgia Inst. of Technology, Atlanta, GA (United States)
- Univ. of Kentucky, Lexington, KY (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1265470
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C, Nuclear Physics
- Additional Journal Information:
- Journal Volume: 91; Journal Issue: 4; Journal ID: ISSN 0556-2813
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 74 ATOMIC AND MOLECULAR PHYSICS
Citation Formats
Radich, A. J., Garrett, P. E., Allmond, J. M., Andreoiu, C., Ball, G. C., Bianco, L., Bildstein, V., Chagnon-Lessard, S., Cross, D. S., Demand, G. A., Diaz Varela, A., Dunlop, R., Finlay, P., Garnsworthy, A. B., Hackman, G., Hadinia, B., Jigmeddorj, B., Laffoley, A. T., Leach, K. G., Michetti-Wilson, J., Orce, J. N., Rajabali, M. M., Rand, E. T., Starosta, K., Sumithrarachchi, C. S., Svensson, C. E., Triambak, S., Wang, Z. M., Wood, J. L., Wong, J., Williams, S. J., and Yates, S. W. Ground-state and pairing-vibrational bands with equal quadrupole collectivity in 124Xe. United States: N. p., 2015.
Web. doi:10.1103/PhysRevC.91.044320.
Radich, A. J., Garrett, P. E., Allmond, J. M., Andreoiu, C., Ball, G. C., Bianco, L., Bildstein, V., Chagnon-Lessard, S., Cross, D. S., Demand, G. A., Diaz Varela, A., Dunlop, R., Finlay, P., Garnsworthy, A. B., Hackman, G., Hadinia, B., Jigmeddorj, B., Laffoley, A. T., Leach, K. G., Michetti-Wilson, J., Orce, J. N., Rajabali, M. M., Rand, E. T., Starosta, K., Sumithrarachchi, C. S., Svensson, C. E., Triambak, S., Wang, Z. M., Wood, J. L., Wong, J., Williams, S. J., & Yates, S. W. Ground-state and pairing-vibrational bands with equal quadrupole collectivity in 124Xe. United States. https://doi.org/10.1103/PhysRevC.91.044320
Radich, A. J., Garrett, P. E., Allmond, J. M., Andreoiu, C., Ball, G. C., Bianco, L., Bildstein, V., Chagnon-Lessard, S., Cross, D. S., Demand, G. A., Diaz Varela, A., Dunlop, R., Finlay, P., Garnsworthy, A. B., Hackman, G., Hadinia, B., Jigmeddorj, B., Laffoley, A. T., Leach, K. G., Michetti-Wilson, J., Orce, J. N., Rajabali, M. M., Rand, E. T., Starosta, K., Sumithrarachchi, C. S., Svensson, C. E., Triambak, S., Wang, Z. M., Wood, J. L., Wong, J., Williams, S. J., and Yates, S. W. Wed .
"Ground-state and pairing-vibrational bands with equal quadrupole collectivity in 124Xe". United States. https://doi.org/10.1103/PhysRevC.91.044320. https://www.osti.gov/servlets/purl/1265470.
@article{osti_1265470,
title = {Ground-state and pairing-vibrational bands with equal quadrupole collectivity in 124Xe},
author = {Radich, A. J. and Garrett, P. E. and Allmond, J. M. and Andreoiu, C. and Ball, G. C. and Bianco, L. and Bildstein, V. and Chagnon-Lessard, S. and Cross, D. S. and Demand, G. A. and Diaz Varela, A. and Dunlop, R. and Finlay, P. and Garnsworthy, A. B. and Hackman, G. and Hadinia, B. and Jigmeddorj, B. and Laffoley, A. T. and Leach, K. G. and Michetti-Wilson, J. and Orce, J. N. and Rajabali, M. M. and Rand, E. T. and Starosta, K. and Sumithrarachchi, C. S. and Svensson, C. E. and Triambak, S. and Wang, Z. M. and Wood, J. L. and Wong, J. and Williams, S. J. and Yates, S. W.},
abstractNote = {The nuclear structure of 124Xe has been investigated via measurements of the β+/EC decay of 124Cs with the 8π γ-ray spectrometer at the TRIUMF-ISAC facility. The data collected have enabled branching ratio measurements of weak, low-energy transitions from highly excited states, and the 2+ → 0+ in-band transitions have been observed. Combining these results with those from a previous Coulomb excitation study, $B(E2; 2^+_3 → 0^+_2)$ = 78(13) W.u. and $B(E2; 2^+_4 → 0^+_3)$ = 53(12) W.u. were determined. The $0^+_3$ state, in particular, is interpreted as the main fragment of the proton-pairing vibrational band identified in a previous 122Te(3He,n)124Xe measurement, and has quadrupole collectivity equal to, within uncertainty, that of the ground-state band.},
doi = {10.1103/PhysRevC.91.044320},
journal = {Physical Review C, Nuclear Physics},
number = 4,
volume = 91,
place = {United States},
year = {Wed Apr 01 00:00:00 EDT 2015},
month = {Wed Apr 01 00:00:00 EDT 2015}
}
Web of Science
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