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Identification of t...
Identification of the J(pi)=1(-) state in Ra-218 populated via alpha decay of Th-222
- Article/chapterEnglish2016
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LIBRIS-ID:oai:DiVA.org:kth-190489
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-190489URI
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https://doi.org/10.1103/PhysRevC.94.014307DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20160819
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The alpha decay of Th-222 populating the low-lying J(pi) = 3(-) state, and also a proposed 1(-) state, in Ra-218 has been observed. The observations suggest an excitation energy of 853 keV for the 1(-) state, which is 60 keV above the 3(-) state. The hindrance factors of these alpha decays give a possible boundary to the region of ground-state octupole deformation in the light-actinide nuclei. The relative positions of the J(pi) = 1(-) and 3(-) states suggest they are produced by an octupole-vibrational mechanism, as opposed to alpha clustering or rotations of a reflection-asymmetric octupole-deformed shape.
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Smith, J. F.
(author)
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Greenlees, P. T.
(author)
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Smolen, M.
(author)
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Papadakis, P.
(author)
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Auranen, K.
(author)
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Chapman, R.
(author)
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Cullen, D. M.
(author)
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Grahn, T.
(author)
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Grocutt, L.
(author)
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Herzan, A.
(author)
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Herzberg, R. -D
(author)
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Hodge, D.
(author)
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Jakobsson, UlrikaKTH,Kärnfysik,Univ Jyväskylä, Finland(Swepub:kth)u1sgmx6r
(author)
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Julin, R.
(author)
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Juutinen, S.
(author)
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Konki, J.
(author)
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Leino, M.
(author)
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McPeake, C.
(author)
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Mengoni, D.
(author)
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Mistry, A. K.
(author)
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Mulholland, K. F.
(author)
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O'Neill, G. G.
(author)
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Pakarinen, J.
(author)
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Partanen, J.
(author)
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Peura, P.
(author)
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Rahkila, P.
(author)
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Ruotsalainen, P.
(author)
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Sandzelius, M.
(author)
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Saren, J.
(author)
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Scheck, M.
(author)
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Scholey, C.
(author)
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Sorri, J.
(author)
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Stolze, S.
(author)
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Taylor, M. J.
(author)
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Uusitalo, J.
(author)
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KTHKärnfysik
(creator_code:org_t)
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In:PHYSICAL REVIEW C94:12469-9985
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Parr, E.
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Smith, J. F.
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Greenlees, P. T.
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Smolen, M.
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Papadakis, P.
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Auranen, K.
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show more...
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Chapman, R.
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Cullen, D. M.
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Grahn, T.
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Grocutt, L.
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Herzan, A.
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Herzberg, R. -D
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Hodge, D.
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Jakobsson, Ulrik ...
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Julin, R.
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Juutinen, S.
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Konki, J.
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Leino, M.
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McPeake, C.
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Mengoni, D.
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Mistry, A. K.
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Mulholland, K. F ...
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O'Neill, G. G.
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Pakarinen, J.
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Partanen, J.
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Peura, P.
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Rahkila, P.
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Ruotsalainen, P.
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Sandzelius, M.
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Saren, J.
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Scheck, M.
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Scholey, C.
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Sorri, J.
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Stolze, S.
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Taylor, M. J.
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Uusitalo, J.
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Royal Institute of Technology