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Synthesis and Properties of Nuclei at the Stability Limits

• Conducting experiments on synthesis of new isotopes of element 118 as well as neutron-deficient isotopes of Fl and element 115 in reactions with ⁴⁸Ca ions.
  
  
• Preparation of the experiment aimed at detailed spectroscopy of the decay properties of the ²⁸⁸115 isotope and its daughter products, using the modernized separator VASSILISSA (SHELS) + GABRIELA. Conducting model experiments to study the decay properties of the Rf and Db isotopes.
  
  
• Preparation and conduct of experiments to study the chemical properties of element 113.
  
  
• Data acquisition during mass measurement of the ²⁸³Cn isotope produced as a daughter product in the ⁴⁸Ca  + ²⁴²Pu reaction using the modernized mass separation system of the MASHA setup. Data acquisition on the mechanisms of complete fusion and multinucleon transfer reactions for nuclei close to the neutron shell closure N=126 using mass-spectroscopic methods.
  
  
• Production and study of the properties of new neutron-rich heavy and superheavy nuclei in binary multi-nucleon transfer processes and quasi-fission. Data acquisition on the properties of nuclei at nucleon drip-lines. Study of multicluster decay of heavy and superheavy nuclei. Development of physical setups.
  
  
• Investigation of the structure of the exotic nuclei ⁵H, ¹⁰Li, ¹⁷Ne, and ²⁷S using radioactive beams.
  
  
• Study of the properties of nuclear reactions with loosely bound cluster nuclei over a broad range of energies (5-25 A MeV). Measurement of individual reaction channel cross-sections leading to the formation of new nuclei at the drip-line. Manufacture of detectors for the high-resolution magnetic analyzer MAVR aimed to register nuclear reaction products.
  
  
• Theoretical studies of mechanisms of heavy-ion-induced reactions.
  
  
• Development of the knowledge base on nuclear physics accessible through the Internet.
  
  
• Investigation of shapes and sizes of exotic nuclei employing laser spectroscopy methods.
  
  

List of Activities
	Activity or Experiment	Leader	Status
	Laboratory or other Division of JINR Responsible person	Main researchers
1.	Synthesis of new isotopes of superheavy elements at DGFRS	V.K. Utyonkov	Data taking
	FLNR	F.Sh. Abdullin, A.A. Voinov, A.M. Zubareva, V.I. Krashonkin, A.N. Polyakov, R.N. Sagaidak, V.G. Subbotin, A.M. Sukhov, Yu.S. Tsyganov, I.V. Shirokovsky, M.V. Shumeiko
2.	-, - and - spectroscopy of heavy nuclei at the modernized VASSILISSA (SHELS) separator	A.V. Yeremin	Data taking
	FLNR	O.N. Malyshev, A.I. Svirikhin, I.N. Izosimov, V.I. Chepigin, M.L. Chelnokov, A.V. Isaev, Yu.A. Popov, A.N. Kuznetsov, A.A. Kuznetsova, A.G. Popeko, E.A. Sokol, D.E. Katrasev, V.M. Popov, V.A. Sbitnev
3.	Chemical properties of superheavy elements	S.N. Dmitriev	Data taking
	FLNR	N.V. Aksenov, V.Ya. Lebedev, Yu.V. Albin, G.A. Bozhikov, V.I. Vakatov, M.G. Voronyuk, G.K. Vostokin, I. Zvara, E.V. Krasnoyarova, Ch.G. Kim, K.V. Lebedev, Z. Myanovska, O.V. Petrushkin, A.V. Rykhlyuk, A.V. Sabelnikov, G.Ya. Starodub, E.E. Tereshatov
4.	Experiments at the magnetic analyzer of superheavy atoms MASHA	A.M. Rodin	Data taking
	FLNR	L. Krupa, A.V. Belozerov, E.V. Chernusheva, V.Yu. Vedeneev, A.V. Guljaev, A.V. Guljaeva, A.B. Komarov, S. Motychak, A.V. Podshibyakin, V.S. Salamatin, I. Sivachek, S.V. Stepantsov, A.S. Novoselov, S.A. Yukhimchuk
5.	Study of the processes of fusion-fission, quasi-fission and multinucleon transfer reactions. CORSET-DEMON, CORSAR, and MiniFOBOS setups	M.G. Itkis	Data taking
	FLNR	E.M. Kozulin, A.N. Baranov, A.A. Bogachev, V.V. Volkov, Yu.M. Itkis, S. Ilic, E.M. Gazeeva, G.N. Knyazheva, N.I. Kozulina, K.V. Novikov, D.V. Kamanin, I.A. Alexandrova, A.A. Alexandrov, V.E. Zhuchko, E.A. Kuznetsova, Yu.V. Pyatkov, E.O. Savelieva, Yu.B. Semenov, O.N. Solodov, A.O. Strekalovsky, O.V. Strekalovskiy, J.M. Harka
6.	Study of the structure of exotic nuclei near and beyond the drip-line at the ACCULINNA and COMBAS fragment separators	A.S. Fomichev	Data taking
	FLNR	G.M. Ter-Akopian, M.S. Golovkov, L.V. Grigorenko, A.V. Gorshkov, V.A. Gorshkov, A.G. Knyazev, S.A. Krupko, A.A. Bezbakh, Yu.L. Parfenova, S.I. Sidorchuk, R.S. Slepnev, G. Kaminsky, V. Chudoba, R. Wolski, P.G. Sharov, S.A. Rimzhanova, S.G. Belogurov, Yu.M. Sereda, A.G. Artukh, A.N. Vorontsov, S.A. Klygin, G.A. Kononenko, D.A. Kislukha, N.A. Tarantin, E. Batchuluun
	BLTP	S.N. Ershov, I.A. Egorova
7.	Investigation of reactions induced by stable and radioactive ion beams leading to the formation of exotic nuclei	Yu.E. Penionzhkevich	Data taking
	FLNR	D.T. Aznabaev, E.A. Voskoboinik, M.P. Ivanov, S.M. Lukyanov, V.A. Maslov, K.O. Mendibaev, N.K. Skobelev, Yu.G. Sobolev, Z.D. Pokrovskaya, R.V. Revenko, V.I. Smirnov, D.A. Testov
8.	Theoretical studies of nuclear reaction mechanisms	A.V. Karpov
	FLNR	A.S. Denikin, V.V. Samarin, M.A. Naumenko, E.A. Cherepanov, Yu.A. Muzichka, V.A. Rachkov, V.V. Saiko
9.	Development and maintenance of the knowledge base on nuclear physics accessible through Internet	A.V. Karpov A.S. Denikin	Data taking
	FLNR	V.V. Samarin, V.A. Rachkov, M.A. Naumenko, V.V. Saiko
10.	Laser spectroscopy of isotopes	S.G. Zemlyanoy	Data taking
	FLNR	V.I. Zhemenik, G.V. Myshinskiy, K.P. Marinova

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