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Fields and Particles

Scientific Programme:

• Calculation of the spectrum of secondary particles from the annihilation of the dark matter in galactic halo within the Minimal supersymmetric standard model.
  
  Production of electron-positron pairs with large transversal momentum in heavy ion collisions.
  
  Calculation of the amplitude of neutrino-quark scattering in the one-loop approximation at energies of about 100 GeV and higher to define the refraction coefficient of neutrino in medium.
  
  
• Investigations of QCD factorization for inclusive and exclusive hard processes sensitive to T-odd fragmentation functions and Generalized Parton Distributions of Higher twist will be continued. The results will be applied to describe spin asymmetries at HERMES and CLAS experiments.
  
  
• The relation to the conformal symmetry of the instanton-size distribution and the higher-loop contributions to the process of the inclusive lepton decay will be studied in the framework of a recently developed model for the QCD analytic invariant charge.
  
  
• Transformation of the frame of reference in General Relativity to the description of the CMB fluctuations and the derivation of kinetic equations in conformal cosmology.
  
  Multiplicative representation of the evolution operator and construction of discrete models for the description of scattering processes in atomic and optical systems.
  
  The construction of superintegrable systems on the spaces with the constant curvature and its implementation to the description of the quantum dot systems.
  
  
• The cross sections of the processes J/+ DD, DD ^*, D ^*D ^* will be calculated within a relativistic constituent quark model.
  
  
• Investigation of color quark condensates and meson properties at large chemical potential in the framework of the Nambu-Jona-Lasinio model.
  
  Development of the effective nonlocal chiral gauge quark model based on the quark interaction in the field of instanton. Application of the model to the hadron processes at low and high energies.
  
  Investigation of the higher order perturbative corrections and the effects of the nontrivial structure of QCD vacuum in hadron processes.
  
  The QCD analysis of DIS and SIDIS data and the evolution of polarized parton densities and higher twist contribution to structure functions. Quark-hadron duality and sum rules for structure parameters of hadrons.

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