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Structure of Nuclei at the Limits of Nucleon Stability
| Leader: | M.G. Itkis |
| Scientific leader: | Yu.Ts. Oganessian |
Participating countries and international organizations:
Belgium, Bulgaria, CERN, China, Czech Republic, Egypt, Finland, France, Germany, India, Italy, Japan, Kazakhstan, Mongolia, Poland, Romania, Russia, Slovakia, South Africa, Spain, Sweden, Switzerland, Ukraine, United Kingdom, USA, Vietnam.
Issues addressed and main goals of research:
Synthesis and investigation of the properties of nuclei at stability limits. Investigation of the mechanisms of heavy-ion-induced reactions. Study of the physical and chemical properties of heavy and superheavy elements.
Expected results in the current year:
- Experiments on the synthesis of Mc isotopes in the 48Ca + 243Am reaction at the SHE Factory.
- Experiments on the synthesis of Fl isotopes in the 48Ca + 242Pu reaction aimed at studying the chemical properties of Fl using the DGFRS-2 separator.
- Preparation for and the launch of experiments on the synthesis of elements 119 and 120 in the complete fusion reactions with 50Ti projectiles.
- Experiments on the study of the decay properties (
-, 
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-spectroscopy) of Sg isotopes and heavy isotopes of Rf formed in the reactions with 54Cr and 22Ne using the SHELS + GABRIELA separator. Experiments on measuring the multiplicity of prompt neutrons from the spontaneous fission of heavy Rf isotopes in the reactions with 22Ne. Test experiment on the spectroscopy of the decay properties of the 288Mc isotopes and its daughter products in the 48Ca + 243Am reaction. - Experiments on the study of the chemical properties of Db and Nh in the 48Ca + 243Am reaction. Preparation for chemistry experiments at the SHE Factory.
- Analysis of experiments conducted with the MASHA set-up aimed at studying the operational stability of a new design of the hot catcher for the separation of short-lived mercury and radon isotopes synthesized in complete fusion reactions.
- Investigation of the mass-energy and angular distributions of fragments produced in the 44Ca + 206Pb reaction. Study of the mechanism of multinucleon transfer in the 136Xe + 194Pt reaction. Study of multi-body decays of low-excited heavy nuclei. Study of the multicluster decay of heavy and superheavy nuclei. Development of physics set-ups.
- Study of nuclei with Z<20 near the boders of nucleon stability. Investigation of the structure of the exotic nuclei 7He, 10Li, 26Si, and 25P using radioactive ion beams at the ACCULINNA-1 and ACCULINNA-2 set-ups.
- Experiments conducted at the MAVR set-up for the study of fast charged particles in coincidence with recoil nuclei aimed at determining the reaction mechanism for experiments on the synthesis of new elements. Study of the yields of products in multinucleon transfer reactions. Measurement of total reaction cross sections using low-intensity beams of exotic nuclei.
- Theoretical studies of the mechanisms of heavy-ion-induced reactions.
- Maintenance and update of the web knowledge base on nuclear physics.
- Investigation of shapes and sizes of exotic nuclei employing laser spectroscopy methods.
| List of Activities | |||||
| Activity or Experiment | Leaders | ||||
| Laboratory or other Division of JINR Responsible person |
Main researchers | ||||
| 1. | Synthesis of new isotopes of superheavy elements at DGFRS |
V.K. Utyonkov |
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| FLNR | F.Sh. Abdullin, N.D. Kovrijnykh, D.A. Kuznetsov, A.N. Polyakov, O.V. Petrushkin, R.N. Sagaidak, V.D. Shubin, V.G. Subbotin, I.V. Shirokovsky, M.V. Shumeiko, D.I. Solov'ev, L. Schlattauer, Yu.S. Tsyganov, A.A. Voinov, A.M. Zubareva | ||||
| 2. | -, - and - spectroscopy of heavy nuclei at the SHELS separator |
A.V. Yeremin |
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| FLNR | V.I. Chepigin, M.L. Chelnokov, A.V. Isaev, I.N. Izosimov, D.E. Katrasev, A.N. Kuznetsov, A.A. Kuznetsova, O.N. Malyshev, Yu.A. Popov, V.M. Popov, A.G. Popeko, E.A. Sokol, A.I. Svirikhin, V.A. Sbitnev, M.S. Tezekbaeva | ||||
| 3. | Chemical properties of superheavy elements |
S.N. Dmitriev |
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| FLNR | N.V. Aksenov, Yu.V. Albin, A.A. Astakhov, A.Yu. Bodrov, G.A. Bozhikov, I. Chuprakov, N.S. Gustova, K.V. Lebedev, A.Sh. Madumarov, E.V. Melnik, A.V. Sabelnikov, G.Ya. Starodub, G.K. Vostokin, M.G. Voronyuk | ||||
| 4. | Experiments at the magnetic analyzer of superheavy atoms MASHA |
A.M. Rodin |
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| FLNR | E.V. Chernusheva, A.V. Guljaev, A.V. Guljaeva, D. Kamas, A.B. Komarov, L. Krupa, A.S. Novoselov, A.Opihal, A.V. Podshibyakin, V.S. Salamatin, S.V. Stepantsov, V.Yu. Vedeneev, S.A. Yukhimchuk | ||||
| 5. | Study of the processes of fusion-fission, quasi-fission and multi-nucleon transfer reactions. CORSET-DEMON, CORSAR, and MiniFOBOS set-ups |
M.G. Itkis |
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| FLNR | A.A. Alexandrov, I.A. Alexandrova, T. Banerjee, I.N. Dyatlov, O.V. Falomkina, Z.I. Gorya'nova, Yu.M. Itkis, D.V. Kamanin, V.V. Kirokasian, E.M. Kozulin, N.I. Kozulina, G.N. Knyazheva, E.A. Kuznetsova, D. Kumar, C.H. Meghashree, K.V. Novikov, A. Pan, I,V, Pchelintsev, Yu.V. Pyatkov, E.O. Savelieva, Yu.B. Semenov, A.N. Solodov, A.O. Strekalovsky, O.V. Strekalovskiy, I.V. Vorob'ev, A.O. Zhukova, V.E. Zhuchko | ||||
| LIT | P.V. Goncharov, G.A. Ososkov, A.V. Uzhinsky, V.B. Zlokazov | ||||
| 6. | Study of the structure of exotic nuclei near and beyond the drip-lines at the ACCULINNA-1, ACCULINNA-2 and COMBAS fragment separators |
A.S. Fomichev |
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| FLNR | A.G. Artukh, E. Batchuluun, S.G. Belogurov, A.A. Bezbakh, V. Chudoba, M.S. Golovkov, L.V. Grigorenko, A.V. Gorshkov, E.M. Gazeeva, V.A. Gorshkov, A. Ismailova, G. Kaminski, S.A. Krupko, S.A. Klygin, G.A. Kononenko, K.A. May, B. Mauyey, I.A. Muzalevskiy, E.Yu. Nikolskii, Yu.L. Parfenova, W. Piatek,, S.A. Rimzhanova, Yu.M. Sereda, S.I. Sidorchuk, R.S. Slepnev, P.G. Sharov, S.V. Stepantsov, A. Swiercz, P. Szymkiewicz, G.M. Ter-Akopian, R. Wolski, A.N. Vorontsov, B. Zalewski | ||||
| BLTP | S.N. Ershov, N.B. Shulgina | ||||
| 7. | Investigation of reactions induced by stable and radioactive ion beams leading to the formation of exotic nuclei. Development of MAVR and MULTI set-ups |
Yu.E. Penionzhkevich |
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| FLNR | D.T. Aznabaev, T. Isataev, S.M. Lukyanov, V.A. Maslov, K.O. Mendibaev, R.V. Revenko, I. Sivacek, N.K. Skobelev, Yu.G. Sobolev, V.I. Smirnov, S.S. Stukalov, D.A. Testov, V.A. Zernyshkin | ||||
| 8. | Theoretical studies of nuclear reaction mechanisms |
A.V. Karpov |
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| FLNR | E.A. Cherepanov, A.S. Denikin, Yu.A. Muzichka, M.A. Naumenko, V.A. Rachkov, V.V. Samarin, V.V. Saiko | ||||
| 9. | Development and update of the network knowledge base on nuclear physics |
A.V. Karpov A.S. Denikin |
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| FLNR | M.A. Naumenko, V.A. Rachkov, V.V. Samarin, V.V. Saiko | ||||
| LIT | E.I. Alexandov, V.V. Korenkov, P.V. Zrelov | ||||
| 10. | Laser spectroscopy of isotopes | S.G. Zemlyanoy |
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| FLNR | K.A. Avvakumov, G.N. Myshinskiy, V.I. Zhemenik, B. Zuzaan | ||||
| Collaboration | |||
| Country or International Organization |
City | Institute or Laboratory | |
| Belgium | Brussels | ULB | |
| Leuven | KU Leuven | ||
| Bulgaria | Sofia | INRNE BAS | |
| CERN | Geneva | CERN | |
| China | Beijing | PKU | |
| Lanzhou | IMP CAS | ||
| Czech Republic | Prague | CTU | |
| VP | |||
| Olomouc | UP | ||
| Rez | NPI CAS | ||
| Egypt | Giza | CU | |
| Shibin El Kom | MU | ||
| Finland | Jyvaskyla | UJ | |
| France | Caen | GANIL | |
| Orsay | CSNSM | ||
| IPN Orsay | |||
| Saclay | SPhN CEA DAPNIA | ||
| Strasbourg | CRN | ||
| IPHC | |||
| Germany | Berlin | HZB | |
| Darmstadt | GSI | ||
| Mainz | JGU | ||
| Tubingen | Univ. | ||
| India | New Delhi | IUAC | |
| Kolkata | VECC | ||
| Manipal | MU | ||
| Rupnagar | IIT Ropar | ||
| Roorkee | IIT Roorkee | ||
| Italy | Catania | INFN LNS | |
| Legnaro | INFN LNL | ||
| Messina | UniMe | ||
| Naples | Unina | ||
| Japan | Wako | RIKEN | |
| Tokai | JAEA | ||
| Kazakhstan | Nur-Sultan | ENU | |
| Almaty | INP | ||
| IETP KazNU | |||
| Mongolia | Ulaanbaatar | NRC NUM | |
| Poland | Warsaw | UW | |
| Krakow | NINP PAS | ||
| Poznan | AMU | ||
| Romania | Bucharest | IFIN-HH | |
| Russia | Moscow | IPCE RAS | |
| MSU | |||
| MUCTR | |||
| NNRU "MEPhI" | |||
| NRC KI | |||
| SINP MSU | |||
| Moscow, Troitsk | INR RAS | ||
| Moscow, Zelenograd | RIMST | ||
| Dimitrovgrad | SSC RIAR | ||
| Gatchina | NRC KI PNPI | ||
| Sarov | VNIIEF | ||
| St. Petersburg | Ioffe Institute | ||
| KRI | |||
| SPbSU | |||
| Voronezh | VSU | ||
| Slovakia | Bratislava | CU | |
| IP SAS | |||
| South Africa | Pretoria | UNISA | |
| Faure | iThemba LABS | ||
| Stellenbosch | SU | ||
| Spain | Huelva | UHU | |
| Switzerland | Villigen | PSI | |
| Sweden | Goteborg | Chalmers | |
| Lund | LU | ||
| Ukraine | Kiev | KINR NASU | |
| United Kingdom | Manchester | UoM | |
| USA | Lemont, IL | ANL | |
| College Station, TX | Texas A&M | ||
| East Lansing, MI | MSU | ||
| Livermore, CA | LLNL | ||
| Nashville, TN | VU | ||
| Oak Ridge, TN | ORNL | ||
| Vietnam | Hanoi | IOP VAST |
