DGFRS-2—A gas-filled recoil separator for the Dubna Super Heavy Element Factory
Oganessian Y.T. Utyonkov V.K. Popeko A.G. Solovyev D.I. Abdullin F.S. Dmitriev S.N. Ibadullayev D. Itkis M.G. Kovrizhnykh N.D. Kuznetsov D.A. Petrushkin O.V. Podshibiakin A.V. Polyakov A.N. Sagaidak R.N. Schlattauer L. Shirokovsky I.V. Shubin V.D. Shumeiko M.V. Tsyganov Y.S. Voinov A.A. Subbotin V.G. Bekhterev V.V. Belykh N.A. Chernyshev O.A. Gikal K.B. Ivanov G.N. Khalkin A.V. Konstantinov V.V. Osipov N.F. Paschenko S.V. Protasov A.A. Semin V.A. Sorokoumov V.V. Sychev K.P. Verevochkin V.A. Yakovlev B.I. Antoine S. Beeckman W. Jehanno P. Yavor M.I. Shcherbakov A.P. Rykaczewski K.P. King T.T. Roberto J.B. Brewer N.T. Grzywacz R.K. Gan Z.G. Zhang Z.Y. Huang M.H. Yang H.B.
11 June 2022Elsevier B.V.
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
2022#1033
The main goal of development of the new Dubna Gas-Filled Recoil Separator (DGFRS-2) is to sufficiently improve the efficiency of studies on heavy and superheavy nuclei at the Super Heavy Element Factory of the Flerov Laboratory of Nuclear Reactions (FLNR) at the Joint Institute for Nuclear Research. The use of beams with the intensity up to 6×1013 s−1 (10 pμA) delivered by the DC280 cyclotron requires an effective setup providing high suppression of background reaction products. The described gas-filled separator is optimized for synthesis and study of heavy isotopes produced in complete fusion reactions of massive nuclei. Basic characteristics of DGFRS-2, as well as the results of the first test experiments, are presented. In comparison to the DGFRS-1, the transmission efficiency was doubled, and the background was reduced by a factor 200.
Electromagnetic separators , Gas-filled separators , Nuclear reactions , Superheavy elements
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Joint Institute for Nuclear Research, Dubna, 141980, Russian Federation
Institute of Nuclear Physics, Almaty, 050032, Kazakhstan
Palacky University Olomouc, Department of Experimental Physics, Faculty of Science, Olomouc, 771 46, Czech Republic
SIGMAPHI, Vannes, F-56000, France
Institute for Analytical Instrumentation, RAS, St. Petersburg, 198103, Russian Federation
Oak Ridge National Laboratory, Oak Ridge, 37831, TN, United States
Department of Physics and Astronomy, University of Tennessee, Knoxville, 37996, TN, United States
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, China
Joint Institute for Nuclear Research
Institute of Nuclear Physics
Palacky University Olomouc
SIGMAPHI
Institute for Analytical Instrumentation
Oak Ridge National Laboratory
Department of Physics and Astronomy
Institute of Modern Physics
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