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Results from the First(249)Cf+(48)Ca Experiment.

DE200415007307

Publication Date	2003
Personal Author	Oganessian, Y. T.; Utyonkov, V. K.; Lobanov, Y. V.; Abdullin, F. S.; Polyakov, A. N.
Page Count	16
Abstract	The present paper reports the results of an attempt aimed at the synthesis of element 118 in the reaction (sup 249)Cf((sup 48)Ca,3n)(sup 294)118. The experiment was performed employing the Dubna Gas-filled Recoil Separator and the U400 heavy-ion cyclotron at FLNR, JINR, Dubna. In the course of a 2300-hour irradiation of an enriched (sup 249)Cf target (0.23 mg/cm(sup 2)) with a beam of 245-MeV(sup 48)Ca ions, we accumulated a total beam dose of 2.5 x 10(sup 19) ions. We detected two events that may be attributed to the formation and decay of nuclei with Z=118.
Keywords	Element 118 Fission fragments Irradiation Cyclotrons Chains Alpha decays Ions Excitation Isotopes Kinetics Nuclear models Nuclei Synthesis Targets
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Lawrence Livermore National Lab., CA.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200426

Results from the First(249)Cf+(48)Ca Experiment.

Results from the First(249)Cf+(48)Ca Experiment.
DE200415007307

Publication Date	2003
Personal Author	Oganessian, Y. T.; Utyonkov, V. K.; Lobanov, Y. V.; Abdullin, F. S.; Polyakov, A. N.
Page Count	16
Abstract	The present paper reports the results of an attempt aimed at the synthesis of element 118 in the reaction (sup 249)Cf((sup 48)Ca,3n)(sup 294)118. The experiment was performed employing the Dubna Gas-filled Recoil Separator and the U400 heavy-ion cyclotron at FLNR, JINR, Dubna. In the course of a 2300-hour irradiation of an enriched (sup 249)Cf target (0.23 mg/cm(sup 2)) with a beam of 245-MeV(sup 48)Ca ions, we accumulated a total beam dose of 2.5 x 10(sup 19) ions. We detected two events that may be attributed to the formation and decay of nuclei with Z=118.
Keywords	Element 118 Fission fragments Irradiation Cyclotrons Chains Alpha decays Ions Excitation Isotopes Kinetics Nuclear models Nuclei Synthesis Targets
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Lawrence Livermore National Lab., CA.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200426