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Nuclear Physics with Neutrons - Fundamental
and Applied Investigations

• Preparation of experiments at IREN:


• Continuation of design and construction of nuclear targets polarized by the dynamic pumping method for experiments of time invariance verification in five-fold correlation.Planning and preparation of new experiments with IREN.
  
  
• Continuation of the development of an optically polarized gaseous nuclear target with isotopes ^129,131Xe under pressure of up to 10 atm for experiments of time invariance verification in three-fold correlation. Planning and preparation of new experiments with IREN.
  
  
• Analysis of the measured interference effects in the angular distribution of fragments from fission of aligned nuclei ²³⁵U, as well as in P-even and P-odd angular correlation of fission fragments from the polarized and nonpolarized neutron-induced fission in ²³⁹Pu. Planning and preparation of new experiments with IREN.
  
  
• Analysis of the accumulated information on the cascades of two-step gamma-transitions in two insufficiently studied types of nuclei to reveal basic properties of nuclear matter in the superfluid-to-normal Fermi-liquid phase transition. Planning and preparation of new experiments with IREN.
  
  
  Experiments at EG-5:
  
  
• Creation of a channel with a deuterium gas target to generate monoenergetic neutron beams with neutron energies from 3.5 to 6.5 MeV. Modernization of ⁷Li- and T-based targets. Continuation of measurements of the total, partial or differential cross sections of the (n,p) and (n, ) reactions on ¹⁴N and ³⁵Cl nuclei in the range of neutron energies from several keV to 6.5 MeV.
  
  
• Use of neutron spectrometry method using the shift of the primary gamma-transition line in radiation capture at the KOKOS facility for measurements of energy dependencies of partial cross sections (n,gamma) reactions in the range of neutron energies from 10 to 100 keV.
  
  
  Experiments at IBR-2:
  
  
• Completion of the precision measurements of the total neutron cross-section on gaseous argon as a first stage of investigation of the n,e)-interaction. Planning and preparation of new experiments with IREN.
  
  
• Measurements of anisotropy of neutron scattering by noble gases as a function of neutron energy, determination of parameters of the (n,e)-interaction. Planning and preparation of new experiments with IREN.
  
  
• Beginning of measurements of the neutron spin precision in the process of polarized neutron transmission through a polarized target, investigation of nuclear pseudomagnetism.
  
  
• Continuation of investigations of parity violation effects in lead. Analysis of the obtained results. Preparation of the experiment to measure the gamma-quantum emission anisotropy in the process of polarized neutron transmission through lead isotopes.
  
  
• Completion of modernization of the DRENIZ facility and beginning of measurements of the delayed neutron yields from the thermal neutron induced fission of ²⁴⁵Cm nuclei.
  
  
• PROJECT REGATA - investigations of heavy metal pollution in a number of regions in Russia, including Moscow region, Ural region, Baikal region, Kola Peninsula region, and in some regions in Bulgaria, Poland, Moldova, Romania, China, Egypt, South Korea and France. Continuation of investigations in ecology and monitoring of working places. Continuation of investigation in materials science and development of biotechnologies.
  
  
  Experiments at non-JINR neutron sources:
  
  
• Analysis of the obtained results from measurements of total, partial and di fferential cross-sections of the (n, ) reaction on ⁶⁴Zn in the neutron energy interval from 1 to 8 MeV at the Van-de-Graaf accelerator in the Institute of Heavy Ion Physics of Peking University.
  
  
• Investigations in UCN physics at the reactor of ILL, Grenoble, France.
  
  
• Continuation of experiments to study weak UCN at the reactor of ILL, Grenoble, France. Carrying out of experiments with nano-powders and a sapphire trap to verify the hypothesis of weak heating mechanism.
  
  
• Continuation of experiments in the field of optics of cold and ultracold neutrons at the reactor of ILL, Grenoble, France.
  
  
• Performing of mathematical modelling of the facility to measure the nn scattering amplitude. Design and construction of the facility for a full-scale experiment, preparation and carrying out of test experiments on the nn scattering at the JAGUAR reactor (Snezhinsk, Russia).
  
  
• Measurement of cross-sections of neutron-induced fission of minor actinides in the neutron energy range up to 250 MeV at the n_-TOF source in CERN.

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