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Fields and Particles

• Construction of a class of conformal field theories with deformed supersymmetry and calculation of anomalous dimensions of the first order operators.
  
  Evaluation of the Dark matter annihilation cross-sections in the halo of our galaxy for various regions of the parameter space of the minimal supersymmetric extention of the Standard model.
  
  Calculation of the cross-sections of SUSY production at LHC in various channels and the analysis of background processes in the Standard model.
  
  
• Investigation of the factorization in hard processes involving the effective distribution functions dependent on the hard subprocess.
  
  Calculation of the subleading contributions to azimuth asymmetries and comparison of theoretical predictions with the data of the CLAS experiment.
  
  Calculation of the single spin asymmetries in the Drell-Yan process for pion beams at U-70 and the COMPASS experiment.
  
  Study of the spin structure functions, Bjorken sum rule, and higher twist contributions within the perturbative analysis of experimental data and nonperturbative QCD.
  
  Investigation of the diffractive processes of meson production using the generalized parton distribution functions and unintegrated gluon distributions.
  
  
• Investigation of the relations between the low-energy constants of chiral perturbation theory at the two-loop accuracy level and study of the strange quark mass dependence of two-flavour low-energy constants.
  
  Calculation of all transition form factors for heavy-light transitions of B mesons for the entire physical domain of accessible momentum transfer. The calculated form factors will be used for studying the effects of new physics in the decay B K ^* l ⁺l ^- and the cascade decay B ⁰ K ^*0( K ^{- +}) l ⁺l ^-.
  
  Investigation of the spectrum and decays of mesons within the local and nonlocal chiral quark models. These studies are stimulated by the new high precision experiments, including the experiments devoted to the low energy test of the Standard model.
  
  Continuation of analysis of the world data on the unpolarized and polarized structure functions in both NLO and LO QCD with the aim to establish the relations between the higher twist contributions to the unpolarized and polarized structure functions. Check of the gluon distribution based on the quarkonia production data in proton-proton collisions. Investigation of the nonperturbative effects in electroproduction of longitudinally and transversally polarized vector mesons using the photon and rho meson distribution amplitudes calculated within the model of instanton vacuum.
  
  Study of the dispersion relations for different hard reactions in the framework of the QCD factorization. In particular, the dual-parameterized representation of the general parton distribution versus general distribution amplitude will be investigated and applied to HERA data. Based on QCD factorization the evolution of the spin-dependent k-unintegrated fragmentation functions (Collins functions) will be calculated.
  
  
• Development of the self-consistent description of the instanton liquid model. The weakening of repulsive interactions between pseudo-particles will be estimated. Study of the behaviour of instanton liquid in hot and dense strongly interacting matter. Dependence of instanton liquid parameters on the temperature and baryon chemical potential will be evaluated.
  
  Check of the instanton liquid model of QCD vacuum with heavy quarkonia in hot and dense hadronic matter.
  
  Development of the new dynamical model for high-energy heavy-ion collisions based on the Navier-Stokes dissipative equations.
  
  

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