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Fusion reaction Ca 48 + Bk 249 leading to formation of the element Ts (Z=117)

Khuyagbaatar, J., Yakushev, A., Düllmann, C. E., Ackermann, D., Andersson, L. L., Asai, M., Block, M., Boll, R. A., Brand, H., Cox, D. M., Dasgupta, M., Derkx, X., Di Nitto, A., Eberhardt, K., Even, J., Evers, M., Fahlander, C., Forsberg, U., Gates, J. M., Gharibyan, N., Golubev, P., Gregorich, K. E., Hamilton, J. H., Hartmann, W., Herzberg, R. D., Heßberger, F. P., Hinde, D. J., Hoffmann, J., Hollinger, R., Hübner, A., Jäger, E., Kindler, B., Kratz, J. V., Krier, J., Kurz, N., Laatiaoui, M., Lahiri, S., Lang, R., Lommel, B., Maiti, M., Miernik, K., Minami, S., Mistry, A., Mokry, C., Nitsche, H., Omtvedt, J. P., Pang, G. K., Papadakis, P., Renisch, D., Roberto, J., Rudolph, D., Runke, J., Rykaczewski, K. P., Sarmiento, L. G., Schädel, M., Schausten, B., Semchenkov, A., Shaughnessy, D. A., Steinegger, P., Steiner, J., Tereshatov, E. E., Thörle-Pospiech, P., Tinschert, K., Torres De Heidenreich, T., Trautmann, N., Türler, A., Uusitalo, J., Ward, D. E., Wegrzecki, M., Wiehl, N., Van Cleve, S. M. & Yakusheva, V., 7-May-2019, In : Physical Review C. 99, 5, p. 054306-1-054306-16 16 p., 054306.

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DOI

  • J. Khuyagbaatar
  • A. Yakushev
  • Ch E. Düllmann
  • D. Ackermann
  • L. L. Andersson
  • M. Asai
  • M. Block
  • R. A. Boll
  • H. Brand
  • D. M. Cox
  • M. Dasgupta
  • X. Derkx
  • A. Di Nitto
  • K. Eberhardt
  • J. Even
  • M. Evers
  • C. Fahlander
  • U. Forsberg
  • J. M. Gates
  • N. Gharibyan
  • P. Golubev
  • K. E. Gregorich
  • J. H. Hamilton
  • W. Hartmann
  • R. D. Herzberg
  • F. P. Heßberger
  • D. J. Hinde
  • J. Hoffmann
  • R. Hollinger
  • A. Hübner
  • E. Jäger
  • B. Kindler
  • J. V. Kratz
  • J. Krier
  • N. Kurz
  • M. Laatiaoui
  • S. Lahiri
  • R. Lang
  • B. Lommel
  • M. Maiti
  • K. Miernik
  • S. Minami
  • A. Mistry
  • C. Mokry
  • H. Nitsche
  • J. P. Omtvedt
  • G. K. Pang
  • P. Papadakis
  • D. Renisch
  • J. Roberto
  • D. Rudolph
  • J. Runke
  • K. P. Rykaczewski
  • L. G. Sarmiento
  • M. Schädel
  • B. Schausten
  • A. Semchenkov
  • D. A. Shaughnessy
  • P. Steinegger
  • J. Steiner
  • E. E. Tereshatov
  • P. Thörle-Pospiech
  • K. Tinschert
  • T. Torres De Heidenreich
  • N. Trautmann
  • A. Türler
  • J. Uusitalo
  • D. E. Ward
  • M. Wegrzecki
  • N. Wiehl
  • S. M. Van Cleve
  • V. Yakusheva
The heaviest currently known nuclei, which have up to 118 protons, have been produced in Ca-48 induced reactions with actinide targets. Among them, the element tennessine (Ts), which has 117 protons, has been synthesized by fusing Ca-48 with the radioactive target Bk-249, which has a half-life of 327 d. The experiment was performed at the gas-filled recoil separator TASCA. Two long and two short a decay chains were observed. The long chains were attributed to the decay of Ts-294. The possible origin of the short-decay chains is discussed in comparison with the known experimental data. They are found to fit with the decay chain patterns attributed to Ts-293. The present experimental results confirm the previous findings at the Dubna Gas-Filled Recoil Separator on the decay chains originating from the nuclei assigned to Ts.

Original languageEnglish
Article number054306
Pages (from-to)054306-1-054306-16
Number of pages16
JournalPhysical Review C
Volume99
Issue number5
Publication statusPublished - 7-May-2019
Externally publishedYes

ID: 84986661