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Targets for Neutron-Rich Nuclei Investigation


Development and Creation of Radioactive Ве-10 Targets on the Basis of Russian Nuclear Technologies

Tech Area / Field

  • PHY-ANU/Atomic and Nuclear Physics/Physics
  • FIR-MAT/Materials/Fission Reactors

8 Project completed

Registration date

Completion date

Senior Project Manager
Malakhov Yu I

Leading Institute
MIFI, Russia, Moscow

Supporting institutes

  • FEI (IPPE), Russia, Kaluga reg., Obninsk\nJoint Institute of Nuclear Research, Russia, Moscow reg., Dubna


  • Technische Universität München / Department of Physics, Germany, Garching

Project summary

The aim of the present project is the development of the new method of the 10Ве isotope extraction from the spent rods of control and safety systems of the BN-600 reactor and its production in amount, sufficient for fundamental research of light neutron-rich nuclei near the drip-line. The unusual properties of such nuclei, especially the formation of the neutron “halo” are sensitive to predictions of modern theoretical models and this is the reason of experimental activity on their synthesis and spectroscopy in many laboratories of the world. The experiments are carried out with the help of various types of nuclear reactions of heavy ions beams, and also of pion beams. One of the crucial conditions for success in these researches is the use of targets with the maximal neutron enrichment. The 10Вe (N/Z = 1.5) targets and beams have a large N/Z ratio and will allow to carry out a series of new critical experiments.

The main problem in the creation of 10Ве targets is the 10Ве isotope production in amounts much more than it is present in the world nowadays. Progress in the targets characteristics, which is planned to create within the framework of the present project, is based on the new method of 10Ве production with the help of treatment of the waste products from high power fast reactors. All works on 10Ве extraction and creation of the material for experimental target samples, will be carried out at State Scientific Center Russian Federation “Institute of Physics and Power Engineering”, where there are all necessary conditions for these purposes.

The IPPE experts have experience on extraction of isotopes from radioactive waste. They will realize the development of the 10Ве extraction technology, and also development of technologies and manufacture of materials for creation of the 10Вe targets and beams.

The MEPhI, JINR, HMI and LMU experts have the experience of the fundamental research of light neutron-rich nuclei. They will ensure the development of the technical tasks, designing and manufacture of targets assemblies, testing of pilot pieces, including tests with accelerators beams, and also the planning of new experiments within the framework of international cooperation.

All of the IPPE, MEPhI, JINR, HMI and LMU experts in collaboration will participate in a decision of an optimum way for successful performance of the project.

Foreign collaborators – scientists from HMI and LMU, have the experience of the fundamental research of light neutron-rich nuclei end of the creation and exploitation of the unique nuclear targets for such experiments. They took part in the project and work plans development. In the frame of collaboration HMI and LMU experts will test and evaluate the quality and completeness of the results, obtained in the course of the project. Foreign collaborators agree to participate in technical monitoring of project activities performed by ISTC staff and to provide comments to the technical reports (quarterly, annual final, etc.), submitted by project participants to the ISTC.

For realizations of the project 4290 person-days will be needed. From them, 2590 fall on alternative employment of the scientific personnel, of engineers and technicians, earlier working in tasks of a weapon orientation. The project will promote reorientation of their activity on the peaceful purposes connected to the international cooperation in the field of the fundamental research and the solution of the ecological problems.


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