High-spin states of ²¹⁸Th

O'Donnell, D.; Page, R. D.; Grahn, T.; Ali, F. A.; Auranen, K.; Capponi, L.; Carroll, R. J.; Chishti, M. M. R.; Drummond, M. C.; Greenlees, P. T.; Henderson, J.; Herzan, A.; Jakobsson, U.; Joss, D. T.; Julin, R.; Juutinen, S.; Konki, J.; Labiche, M.; Leino, M.; Mason, P. J. R.; McPeake, C. G.; Pakarinen, J.; Papadakis, P.; Partanen, J.; Peura, P.; Rahkila, P.; Revill, J.; Ruotsalainen, P.; Sandzelius, M.; Saren, J.; Saygi, B.; Scholey, C.; Simpson, J.; Smith, J. F.; Smolen, M.; Sorri, J.; Stolze, S.; Sullivan, C. M.; Thornthwaite, A.; Uusitalo, J.; Kumar, A.; Srivastava, P. C. (2020-08-04)
 
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https://doi.org/10.1088/1361-6471/aba16c

O'Donnell, D.
Page, R. D.
Grahn, T.
Ali, F. A.
Auranen, K.
Capponi, L.
Carroll, R. J.
Chishti, M. M. R.
Drummond, M. C.
Greenlees, P. T.
Henderson, J.
Herzan, A.
Jakobsson, U.
Joss, D. T.
Julin, R.
Juutinen, S.
Konki, J.
Labiche, M.
Leino, M.
Mason, P. J. R.
McPeake, C. G.
Pakarinen, J.
Papadakis, P.
Partanen, J.
Peura, P.
Rahkila, P.
Revill, J.
Ruotsalainen, P.
Sandzelius, M.
Saren, J.
Saygi, B.
Scholey, C.
Simpson, J.
Smith, J. F.
Smolen, M.
Sorri, J.
Stolze, S.
Sullivan, C. M.
Thornthwaite, A.
Uusitalo, J.
Kumar, A.
Srivastava, P. C.
IOP Publishing
04.08.2020

D O’Donnell et al 2020, J. Phys. G: Nucl. Part. Phys. 47, 095103. https://doi.org/10.1088/1361-6471/aba16c

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© 2020 The Author(s). Published by IOP Publishing Ltd. Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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doi:https://doi.org/10.1088/1361-6471/aba16c
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Abstract

High-spin states in the N = 128 nucleus ²¹⁸Th have been investigated following fusion–evaporation reactions, using the recoil-decay tagging technique. Due to the short-lived nature of the ground state of ²¹⁸Th prompt γ rays have been correlated with the α decay of the daughter nucleus ²¹⁴Ra. The level scheme representing the decay of excited states has been extended to (16⁺) with the observation of six previously unreported transitions. The observations are compared with the results of shell model calculations and within the context of the systematics of neighbouring nuclei.

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