Journal
PHYSICAL REVIEW C
Volume 99, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.99.054306
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Funding
- German BMBF [05P12UMFNE]
- Helmholtz association [VH-NG-723]
- Australian Research Council
- Swedish Research Council [VR 2011-5253]
- U.S. Department of Energy by LLNL [DE-AC52-07NA27344]
- Laboratory Directed Research and Development Program at LLNL [11-ERD-011]
- Helmholtz Institute Mainz
- Office of Science, U.S. Department of Energy
- U.S. DOE [DE-AC05-00OR22725]
- U.S. Department of Energy, Office of Science, Nuclear Physics, Low Energy Physics Program, through the Lawrence Berkeley National Laboratory [DE-AC02-05CH11231]
- STFC [ST/L005689/1, ST/L005670/1] Funding Source: UKRI
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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.
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