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Nuclear Physics with Neutrons - Fundamental
and Applied Investigations

• Preparation of experiments at IREN:
• Investigation of possibility to create an optically polarizable target on the basis of ¹²⁹Xe and ¹³¹1Xe with pressure up to 10 atm.
  
  
• Continuation of the development 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.
  
  
• Preparation of equipment for polarization and its measurement with La target.
  
  
• Modernization of detectors at UGRA facility.
  
  
• Creation of a facility to measure neutron scattering by noble gases.
  
  
  Experiments at EG-5:
• Measurement of total, partial and differential cross sections of the (n,p) and (n,) reactions on different nuclei ( ⁶Li, ¹⁰B, ¹⁴N, ³⁵Cl, ⁶⁴Zn) in the range of neutron energies from several keV to 6,5 MeV.
  
  
• Development of the experimental method to extract weak long-range potentials in neutron scattering by nuclei based on the usage of monochromatic neutrons obtained at electrostatic accelerator.
  
  
• Calibration of LEND device for orbital lunar mission LRO.
  
  
• Investigations of depth profiles of elements in implanted samples, layered structures of microelectronics and diological objects.
  
  
  Experiments at IBR-2:
• Measurement of nuclear precession at a polarized proton target.
  
  
• Continuation of investigations of nuclear properties of lead isotopes causing parity violation in polarized neutron interactions.
  
  
• Measurements of delayed neutron yields at fission of nuclei ²⁴⁵Cm by thermal neutrons.
  
  
• Creation of the facility on the basis of mechanical chopper for neutron monochromatization and shortening of neutron burst on the flight path at the IBR-2.
  
  
• Measurement of mass-energy distributions of fission fragments at heavy nuclei under the action of thermal neutrons. Search for threefold collinear decay in fission.
  
  
• Project REGATA - investigation of atmospheric deposition of heavy metals, rare-earth and other elements in some regions of Central Russia (Tver, Yaroslavl, Tul'a and Moscow regions), in the South Urals (Udmurtiya), in Bulgaria, Vietnam, Greece, Macedonia, Mongolia, Poland, Romania, Serbia and Montenegro, Turkey. Development of new pharmaceuticals (in collaboration with the Institute of Physics of the Georgia Academy of Sciences). Development of method of synthesis of fine crystalline diamonds (in colaboration with the Institute of Solid State and Semiconductor Physics of the National Academy of Sciences of Belarus).
  
  
  Experiments at non-JINR neutron sources:
• Continuation of measurements of P-odd correlation coefficients in the reactions ⁶Li(n,) ³H и ¹⁰B(n,) ⁷Li ^{* 7}Li (g.s.) on cold polarized neutrons at the reactor of ILL, Grennoble, France.
  
  
• Creation of charged particle detectors for measurements at the lead slowing down spectrometer LSD-100, INR RAS, Troitsk. Experimental investigation of "nonstatic" effects observed in the reaction ¹⁴⁷Sm(n,) ¹⁴⁴Nd at the LSD-100 spectrometer.
  
  
• Creation of the facility to investigate the (n,p), (n,) reactions on the resonance neutrons of the pulsed neutron source at INR RAS, Troitsk. Measurement of coefficient of angular correlations "forward-backward" in the reaction ³⁵Cl(n, p) ³⁵S in the neutron source of INR RAS, Troitsk.
  
  
• Measurements of total, partial and differential cross-sections of the (n,) reaction on the nuclei ⁶Li, ¹⁰B, ⁶⁴Zn in the range of neutron energies from 3 to 7 MeV on the Van-de-Graaf accelerator in the Institute of Heavy Ion Physics of Peking University.
  
  
• Measurement of n,e-scattering length of b_ne at the neutron source, Troitsk, and at the reactor of ILL, Grenoble.
  
  
• Measurements of _tot for ²⁰⁸Pb on the filtered beams with the energies from 2 keV to 140 keV at the stationary reactors in Kiev and in Garching.
  
  
• Accumulation of the information on two-step gamma cascades at thermal neutron capture in nuclei-targets ¹⁵²Sm, ¹⁷¹Yb at the spectrometers of gamma-gamma coincidences in Dalata, Vietnam.
  
  
• Experiments to study three-fold, four-fold and five-fold nuclear fission.
  
  
• Investigation of the physics of UCN interaction with trap surfaces at the reactor of ILL. Investigation of scattering of cold and very cold neutrons on nanoparticles.
  
  
• Continuation of experiments in the field of optics of cold and ultracold neutrons at the reactor of ILL, Grenoble, France and verification of the equivalence principle for a neutron: a) observation of the effect of neutron energy change at transmission through sample, moving with acceleration, b) development and creation of a facility for quantum experiment to measure gravitational acceleration of a neutron.
  
  
• Design and construction of the facility, preparation and carrying out of test experiments on the nn scattering at the JAGUAR reactor, Snezhinsk, Russia.
  
  
• Preparation of equipment for new measurements at the n_-TOF source in CERN and processing of the data obtained in 2003-2004 on cross-sections of neutron-induced fission of minor actinides in the neutron energy range up to 250 MeV.

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