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  • Düllmann, Ch. E. (author)

Production and Decay of Element 114: High Cross Sections and the New Nucleus 277Hs

  • Article/chapterEnglish2010

Publisher, publication year, extent ...

  • 2010
  • 5 s.

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:f65c219f-f4c8-46cf-81d8-4c7411d6f85d
  • https://lup.lub.lu.se/record/1629889URI
  • https://doi.org/10.1103/PhysRevLett.104.252701DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • 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.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Schädel, M. (author)
  • Yakushev, A. (author)
  • Türler, A. (author)
  • Eberhardt, K. (author)
  • Kratz, J. V. (author)
  • Ackermann, D. (author)
  • Andersson, L. -L. (author)
  • Block, M. (author)
  • Brüchle, W. (author)
  • Dvorak, J. (author)
  • Essel, H. G. (author)
  • Ellison, P. A. (author)
  • Even, J. (author)
  • Gates, J. M. (author)
  • Gorshkov, A. (author)
  • Graeger, R. (author)
  • Gregorich, K. E. (author)
  • Hartmann, W. (author)
  • Herzberg, R. -D. (author)
  • Heßberger, F. P. (author)
  • Hild, D. (author)
  • Huebner, A. (author)
  • Jäger, E. (author)
  • Khuyagbaatar, J. (author)
  • Kindler, B. (author)
  • Krier, J. (author)
  • Kurz, N. (author)
  • Lahiri, S. (author)
  • Liebe, D. (author)
  • Lommel, B. (author)
  • Maiti, M. (author)
  • Nitsche, H. (author)
  • Omtvedt, J. P. (author)
  • Parr, E. (author)
  • 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)
  • Runke, J. (author)
  • Schausten, B. (author)
  • Schimpf, E. (author)
  • Semchenkov, A. (author)
  • Steiner, J. (author)
  • Thörle-Pospiech, P. (author)
  • Uusitalo, J. (author)
  • Wegrzecki, M. (author)
  • Wiehl, N. (author)
  • KärnfysikFysiska institutionen (creator_code:org_t)

Related titles

  • In:Physical Review Letters104:251079-7114

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