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Lifetime Measuremen...
Lifetime Measurements of Excited States in Pt-172 and the Variation of Quadrupole Transition Strength with Angular Momentum
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- Cederwall, Bo, 1964- (author)
- KTH,Kärnfysik
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- Doncel, M. (author)
- Univ Liverpool, Oliver Lodge Lab, Dept Phys, Liverpool L69 7ZE, Merseyside, England.
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- Aktas, Özge (author)
- KTH,Kärnfysik
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- Ertoprak, Aysegul (author)
- KTH,Kärnfysik
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- Liotta, Roberto (author)
- KTH,Kärnfysik
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- Qi, Chong, 1983- (author)
- KTH,Kärnfysik
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- Grahn, T. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Cullen, D. M. (author)
- Univ Manchester, Sch Phys & Astron, Schuster Bldg, Manchester M13 9PL, Lancs, England.
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- Hodge, D. (author)
- Univ Manchester, Sch Phys & Astron, Schuster Bldg, Manchester M13 9PL, Lancs, England.
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- Giles, M. (author)
- Univ Manchester, Sch Phys & Astron, Schuster Bldg, Manchester M13 9PL, Lancs, England.
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- Stolze, S. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Badran, H. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Braunroth, T. (author)
- Univ Cologne, Inst Kernphys, D-50937 Cologne, Germany.
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- Calverley, T. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Cox, D. M. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.;Lund Univ, Dept Phys, S-22100 Lund, Sweden.
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- Fang, Y. D. (author)
- Osaka Univ, Res Ctr Nucl Phys, JP-5670047 Osaka, Japan.
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- Greenlees, P. T. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Hilton, J. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Ideguchi, E. (author)
- Osaka Univ, Res Ctr Nucl Phys, JP-5670047 Osaka, Japan.
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- Julin, R. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Juutinen, S. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Raju, M. Kumar (author)
- Osaka Univ, Res Ctr Nucl Phys, JP-5670047 Osaka, Japan.
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- Li, H. (author)
- CEA, GANIL, DSMa, CNRS,IN2P3, F-14076 Caen 5, France.
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- Liu, H. (author)
- KTH
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- Matta, Sanya (author)
- KTH,Fysik
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- Modamio, V. (author)
- Univ Oslo, Dept Phys, NO-0316 Oslo, Norway.
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- Pakarinen, J. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Papadakis, P. (author)
- Univ Liverpool, Oliver Lodge Lab, Dept Phys, Liverpool L69 7ZE, Merseyside, England.;Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Partanen, J. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Petrache, C. M. (author)
- Univ Paris Saclay, Ctr Sci Nucl & Sci Mat, CNRS, IN2P3, F-91405 Orsay, France.
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- Rahkila, P. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Ruotsalainen, P. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Sandzelius, M. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Saren, J. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Scholey, C. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Sorri, J. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.;Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy.;Sodankyla Geophys Observ, FI-99600 Sodankyla, Finland.
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- Subramaniam, Pranav (author)
- KTH
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- Taylor, M. J. (author)
- Univ Manchester, Sch Med Sci, Div Canc Sci, Manchester M13 9PL, Lancs, England.
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- Uusitalo, J. (author)
- Univ Jyvaskyla, Epartment Phys, POB 35, FI-40014 Jyvaskyla, Finland.
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- Valiente-Dobon, J. J. (author)
- Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy.
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(creator_code:org_t)
- American Physical Society, 2018
- 2018
- English.
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In: Physical Review Letters. - : American Physical Society. - 0031-9007 .- 1079-7114. ; 121:2
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
Close
- Lifetimes of the first excited 2(+) and 4(+) states in the extremely neutron -deficient nuclide Pt-172 have been measured for the first time using the recoil-distance Doppler shift and recoil-decay tagging techniques. An unusually low value of the ratio B(E2: 4(1)(+) -> 2(1)(+)/B(E2: 2(1)(+) -> 0(gs)(+)) = 0.55(19) was found, similar to a handful of other such anomalous cases observed in the entire Segre chart. The observation adds to a cluster of a few extremely neutron -deficient nuclides of the heavy transition metals with neutron numbers N approximate to 90-94 featuring the effect. No theoretical model calculations reported to date have been able to explain the anomalously low B(E2: 4(1)(+) -> 2(1)(+)/B(E2: 2(1)(+) -> 0(gs)(+)) ratios observed in these cases. Such low values cannot, e.g., be explained within the framework of the geometrical collective model or by algebraic approaches within the interacting boson model framework. It is proposed that the group of B(E2: 4(1)(+) -> 2(1)(+)/B(E2: 2(1)(+) -> 0(gs)(+)) ratios in the extremely neutron-deficient even-even W, Os, and Pt nuclei around neutron numbers N approximate to 90-94 reveal a quantum phase transition from a seniority-conserving structure to a collective regime as a function of neutron number. Although a system governed by seniority symmetry is the only theoretical framework for which such an effect may naturally occur, the phenomenon is highly unexpected for these nuclei that are not situated near closed shells.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Cederwall, Bo, 1 ...
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Doncel, M.
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Aktas, Özge
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Ertoprak, Aysegu ...
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Liotta, Roberto
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Qi, Chong, 1983-
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Grahn, T.
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Cullen, D. M.
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Hodge, D.
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Giles, M.
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Stolze, S.
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Badran, H.
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Braunroth, T.
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Calverley, T.
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Cox, D. M.
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Fang, Y. D.
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Greenlees, P. T.
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Hilton, J.
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Ideguchi, E.
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Julin, R.
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Juutinen, S.
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Raju, M. Kumar
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Li, H.
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Liu, H.
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Matta, Sanya
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Modamio, V.
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Pakarinen, J.
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Papadakis, P.
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Partanen, J.
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Petrache, C. M.
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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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Scholey, C.
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Sorri, J.
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Subramaniam, Pra ...
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Taylor, M. J.
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Uusitalo, J.
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Valiente-Dobon, ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Subatomic Physic ...
- Articles in the publication
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Physical Review ...
- By the university
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Royal Institute of Technology