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Production and Deca...
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Düllmann, Ch. E.
(author)
Production and Decay of Element 114: High Cross Sections and the New Nucleus 277Hs
- Article/chapterEnglish2010
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LIBRIS-ID:oai:lup.lub.lu.se:f65c219f-f4c8-46cf-81d8-4c7411d6f85d
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https://lup.lub.lu.se/record/1629889URI
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https://doi.org/10.1103/PhysRevLett.104.252701DOI
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Language:English
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Summary in:English
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The fusion-evaporation reaction 244Pu(48Ca, 3-4n)288,289114 was studied at the new gas-filled recoil separator TASCA. Thirteen correlated decay chains were observed and assigned to the production and decay of 288,289114. At a compound nucleus excitation energy of E* = 39.8-43.9 MeV, the 4n evaporation channel cross section was 9.8(-3.1)(+3.9) pb. At E* = 36.1-39.5 MeV, that of the 3n evaporation channel was 8.0-(+7.4)(4.5) pb. In one of the 3n evaporation channel decay chains, a previously unobserved alpha branch in 281Ds was observed ( probability to be of random origin from background: 0.1%). This alpha decay populated the new nucleus 277Hs, which decayed by spontaneous fission after a lifetime of 4.5 ms.
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Schädel, M.
(author)
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Yakushev, A.
(author)
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Türler, A.
(author)
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Eberhardt, K.
(author)
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Kratz, J. V.
(author)
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Ackermann, D.
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Andersson, L. -L.
(author)
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Block, M.
(author)
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Brüchle, W.
(author)
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Dvorak, J.
(author)
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Essel, H. G.
(author)
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Ellison, P. A.
(author)
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Even, J.
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Gates, J. M.
(author)
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Gorshkov, A.
(author)
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Graeger, R.
(author)
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Gregorich, K. E.
(author)
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Hartmann, W.
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Herzberg, R. -D.
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Heßberger, F. P.
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Hild, D.
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Huebner, A.
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Jäger, E.
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Khuyagbaatar, J.
(author)
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Kindler, B.
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Krier, J.
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Kurz, N.
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Lahiri, S.
(author)
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Liebe, D.
(author)
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Lommel, B.
(author)
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Maiti, M.
(author)
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Nitsche, H.
(author)
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Omtvedt, J. P.
(author)
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Parr, E.
(author)
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Rudolph, DirkLund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-dru
(author)
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Runke, J.
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Schausten, B.
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Schimpf, E.
(author)
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Semchenkov, A.
(author)
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Steiner, J.
(author)
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Thörle-Pospiech, P.
(author)
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Uusitalo, J.
(author)
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Wegrzecki, M.
(author)
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Wiehl, N.
(author)
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KärnfysikFysiska institutionen
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In:Physical Review Letters104:251079-7114
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Düllmann, Ch. E.
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Schädel, M.
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Yakushev, A.
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Türler, A.
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Eberhardt, K.
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Kratz, J. V.
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Ackermann, D.
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Andersson, L. -L ...
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Block, M.
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Brüchle, W.
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Dvorak, J.
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Essel, H. G.
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Ellison, P. A.
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Even, J.
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Gates, J. M.
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Gorshkov, A.
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Graeger, R.
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Gregorich, K. E.
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Hartmann, W.
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Herzberg, R. -D.
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Heßberger, F. P.
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Hild, D.
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Huebner, A.
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Jäger, E.
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Khuyagbaatar, J.
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Kindler, B.
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Krier, J.
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Kurz, N.
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Lahiri, S.
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Liebe, D.
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Lommel, B.
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Maiti, M.
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Nitsche, H.
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Omtvedt, J. P.
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Parr, E.
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Rudolph, Dirk
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Runke, J.
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Schausten, B.
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Schimpf, E.
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Semchenkov, A.
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Steiner, J.
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Thörle-Pospiech, ...
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Uusitalo, J.
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Wegrzecki, M.
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Wiehl, N.
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