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Study of Rare Processes

• Test of Standard Model predictions. Investigation of rare decays of K-mesons. Measurement of the branching ratio for the decay K ⁰_L ⁰ with direct CP-parity violation in experiment E391a at KEK. Search for the K ⁰_L ^{0 0} + X decay.
  
  
• Test of the nuclear Hamiltonian in few-nucleon systems. Study of 3N interactions with a polarized neutron beam and a polarized deuteron target at an energy about 16 MeV.
  Measurement of _L and _T in the nd-scattering.
  
  
• Experimental verification of the Gerasimov-Drell-Hearn (GDH) sum rule. Measurement of spin-dependent asymmetry _p - _a using the new polarized deuteron target and Crystal Ball detector at polarized photon energies up to 1.5 GeV.

• Development of GEANT4-based simulation, DAQ and data analysis software.
  
  
• Production and test of the new detectors.
  
  
• Data analysis and extraction of new, the most exact in the world, branching ratio for the decay K ⁰_L ⁰ with direct CP-parity violation.
  
  
• Design of the K ⁰_L beam line and setup for the experiment at KEK (Japan).
  
  
• Design of the K ⁰_L beam line and KLOD setup for the experiment at U-70 (SRC-IHEP).
  
  
• Measurement of _L in the nd-scattering. Modification of the experimental design used in the _L experiments for transverse polarization.
  
  
• Adapting of the Dubna-made polarized target in Mainz.
  
  

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