Investigation of 48Ca-induced reactions with 242Pu and 238U targets at the JINR Superheavy Element Factory

Oganessian, Yu. Ts.; Utyonkov, V. K.; Ibadullayev, D.; Abdullin, F. Sh.; Dmitriev, S. N.; Itkis, M. G.; Karpov, A. V.; Kovrizhnykh, N. D.; Kuznetsov, D. A.; Petrushkin, O. V.; Podshibiakin, A. V.; Polyakov, A. N.; Popeko, A. G.; Sagaidak, R. N.; Schlattauer, L.; Shubin, V. D.; Shumeiko, M. V.; Solovyev, D. I.; Tsyganov, Yu. S.; Voinov, A. A.; Subbotin, V. G.; Bodrov, A. Yu.; Sabel'nikov, A. V.; Lindner, A.; Rykaczewski, Krzysztof P.; King, Toby T.; Roberto, James B.; Brewer, N. T.; Grzywacz, Robert Kazimierz; Gan, Z. G.; Zhang, Z. Y.; Huang, M. H.; Yang, H. B.

doi:10.1103/physrevc.106.024612

Title: Investigation of ⁴⁸Ca-induced reactions with ²⁴²Pu and ²³⁸U targets at the JINR Superheavy Element Factory

Journal Article · Mon Aug 22 00:00:00 EDT 2022 · Physical Review. C

DOI:https://doi.org/10.1103/physrevc.106.024612· OSTI ID:1883808

Oganessian, Yu. Ts. ^[1];

^[1]; Ibadullayev, D. ^[2]; Abdullin, F. Sh. ^[1]; Dmitriev, S. N. ^[1]; Itkis, M. G. ^[1]; Karpov, A. V. ^[1]; Kovrizhnykh, N. D. ^[1]; Kuznetsov, D. A. ^[1]; Petrushkin, O. V. ^[1]; Podshibiakin, A. V. ^[1]; Polyakov, A. N. ^[1]; Popeko, A. G. ^[1]; Sagaidak, R. N. ^[1]; Schlattauer, L. ^[3]; Shubin, V. D. ^[1]; Shumeiko, M. V. ^[1]; Solovyev, D. I. ^[1]; Tsyganov, Yu. S. ^[1]; Voinov, A. A. ^[1] more »

Joint Inst. for Nuclear Research (JINR), Dubna (Russian Federation)
Joint Inst. for Nuclear Research (JINR), Dubna (Russian Federation); Institute of Nuclear Physics, Almaty (Kazakhstan)
Joint Inst. for Nuclear Research (JINR), Dubna (Russian Federation); Palacky University Olomouc (Czech Republic)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
Chinese Academy of Sciences (CAS), Lanzhou (China)
Joint Inst. for Nuclear Research (JINR), Dubna (Russian Federation); Chinese Academy of Sciences (CAS), Lanzhou (China)

Experiments using a ⁴⁸Ca beam on ²³⁸U and ²⁴²Pu targets to produce superheavy nuclei were performed at the gas-filled separator DGFRS-2 online to the new cyclotron DC280 at the SHE Factory at JINR. The decay properties of ²⁸⁶Fl and ²⁸⁷Fl, as well as their α-decay products, were refined after the detection of 25 and 69 new decay chains, respectively. In addition, 16 decay chains of ²⁸³Cn were observed in the ²³⁸U+⁴⁸Ca reaction. The possibility of existing of isomeric states in the²⁸⁷Fl consecutive α decays is discussed. A new α line with an energy of 100–200 keV lower than the main one at 10.19 MeV was observed for the first time for even-even ²⁸⁶Fl decay. A maximum cross section of $$10.4^{+3.5}_{-2.1}$$pb was measured for the ²⁴²Pu(⁴⁸Ca,3n) ²⁸⁷Fl reaction.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1883808

Journal Information:: Physical Review. C, Vol. 106, Issue 2; ISSN 2469-9985

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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