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Spectroscopy along ...
Spectroscopy along flerovium decay chains: Discovery of 280Ds and an excited state in 282Cn
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- Såmark-Roth, Anton (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Cox, Daniel (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Rudolph, Dirk (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Sarmiento Pico, Luis (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Carlsson, Gillis (author)
- Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Egido, J. L. (author)
- Autonomous University of Madrid
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- Golubev, Pavel (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Heery, J.A.M. (author)
- University of Liverpool
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- Yakushev, Alexander (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Åberg, Sven (author)
- Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Albers, Helena M. (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Albertsson, Martin (author)
- Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Block, M. (author)
- Johannes-Gutenberg University Mainz,GSI Helmholtz Centre for Heavy Ion Research,Helmholtz Institute Mainz
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- Brand, H. (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Calverley, T. (author)
- University of Liverpool
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- Cantemir, R. (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Clark, Roderick M. (author)
- Lawrence Berkeley National Laboratory
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- Düllmann, Ch. E. (author)
- GSI Helmholtz Centre for Heavy Ion Research,Johannes-Gutenberg University Mainz,Helmholtz Institute Mainz
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- Eberth, J (author)
- University of Cologne
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- Fahlander, Claes (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Forsberg, Ulrika (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Gates, J. M. (author)
- Lawrence Berkeley National Laboratory
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- Giacoppo, F. (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Götz, Michael (author)
- Helmholtz Institute Mainz,Johannes-Gutenberg University Mainz,GSI Helmholtz Centre for Heavy Ion Research
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- Götz, Stefan (author)
- Helmholtz Institute Mainz,Johannes-Gutenberg University Mainz,GSI Helmholtz Centre for Heavy Ion Research
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- Herzberg, R.-D. (author)
- University of Liverpool
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- Hrabar, Yuliia (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Jäger, E. (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Judson, D. (author)
- University of Liverpool
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- Khuyagbaatar, J. (author)
- Helmholtz Institute Mainz,GSI Helmholtz Centre for Heavy Ion Research
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- Kindler, Birgit (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Kojouharov, I. (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Kratz, Jens-Volker (author)
- Johannes-Gutenberg University Mainz
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- Krier, J. (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Kurz, N. (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Lens, L. (author)
- GSI Helmholtz Centre for Heavy Ion Research,Johannes-Gutenberg University Mainz
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- Ljungberg, Jimmy (author)
- Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Lommel, Bettina (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Louko, J. (author)
- University of Jyväskylä
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- Meyer, Carl-Christian (author)
- Johannes-Gutenberg University Mainz,Helmholtz Institute Mainz
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- Mistry, A. (author)
- Technical University of Darmstadt,GSI Helmholtz Centre for Heavy Ion Research
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- Mokry, C. (author)
- Johannes-Gutenberg University Mainz,Helmholtz Institute Mainz
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- Papadakis, P. (author)
- Daresbury Laboratory,University of Liverpool
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- Parr, E. (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Pore, J. L. (author)
- Lawrence Berkeley National Laboratory
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- Ragnarsson, Ingemar (author)
- Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Runke, J. (author)
- GSI Helmholtz Centre for Heavy Ion Research,Johannes-Gutenberg University Mainz
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- Schädel, Matthias (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Schaffner, H. (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Schausten, B. (author)
- GSI Helmholtz Centre for Heavy Ion Research
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- Shaughnessy, D. A. (author)
- Lawrence Livermore National Laboratory
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- Thörle-Pospiech, P. (author)
- Helmholtz Institute Mainz,Johannes-Gutenberg University Mainz
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- Trautmann, N. (author)
- Johannes-Gutenberg University Mainz
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- Uusitalo, J. (author)
- University of Jyväskylä
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(creator_code:org_t)
- 2021
- 2021
- English 7 s.
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In: Physical Review Letters. - 1079-7114. ; 126:3
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http://dx.doi.org/10... (free)
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https://doi.org/10.1...
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Abstract
Subject headings
Close
- A nuclear spectroscopy experiment was conducted to study α-decay chains stemming from isotopes of flerovium (element Z=114). An upgraded TASISpec decay station was placed behind the gas-filled separator TASCA at the GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt, Germany. The fusion-evaporation reactions 48Ca+242Pu and 48Ca+244Pu provided a total of 32 flerovium-candidate decay chains, of which two and eleven were firmly assigned to 286Fl and 288Fl, respectively. A prompt coincidence between a 9.60(1)-MeV α-particle event and a 0.36(1)-MeV conversion electron marked the first observation of an excited state in an even-even isotope of the heaviest man-made elements, namely 282Cn. Spectroscopy of 288Fl decay chains fixed Qα=10.06(1) MeV. In one case, a Qα=9.46(1)-MeV decay from 284Cn into 280Ds was observed, with 280Ds fissioning after only 518 μs. The impact of these findings, aggregated with existing data on decay chains of 286,288Fl, on the size of an anticipated shell gap at proton number Z=114 is discussed in light of predictions from two beyond-mean-field calculations, which take into account triaxial deformation.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- Superheavy elements
- Nuclear spectroscopy
- Alpha decay
- Mean field theory
- Island of stability
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Såmark-Roth, Ant ...
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Cox, Daniel
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Rudolph, Dirk
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Sarmiento Pico, ...
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Carlsson, Gillis
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Egido, J. L.
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show more...
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Golubev, Pavel
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Heery, J.A.M.
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Yakushev, Alexan ...
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Åberg, Sven
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Albers, Helena M ...
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Albertsson, Mart ...
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Block, M.
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Brand, H.
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Calverley, T.
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Cantemir, R.
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Clark, Roderick ...
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Düllmann, Ch. E.
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Eberth, J
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Fahlander, Claes
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Forsberg, Ulrika
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Gates, J. M.
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Giacoppo, F.
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Götz, Michael
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Götz, Stefan
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Herzberg, R.-D.
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Hrabar, Yuliia
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Jäger, E.
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Judson, D.
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Khuyagbaatar, J.
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Kindler, Birgit
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Kojouharov, I.
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Kratz, Jens-Volk ...
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Krier, J.
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Kurz, N.
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Lens, L.
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Ljungberg, Jimmy
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Lommel, Bettina
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Louko, J.
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Meyer, Carl-Chri ...
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Mistry, A.
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Mokry, C.
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Papadakis, P.
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Parr, E.
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Pore, J. L.
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Ragnarsson, Inge ...
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Runke, J.
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Schädel, Matthia ...
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Schaffner, H.
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Schausten, B.
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Shaughnessy, D. ...
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Thörle-Pospiech, ...
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Trautmann, N.
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Uusitalo, J.
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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 ...
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Physical Review ...
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Lund University