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Fields and Particles

• Construction of 1/N expansion in gauge theories in extra dimensions.
  
  Evaluation of antiproton flux from the Dark matter annihilation in the halo of our galaxy and combined analysis of astrophysics data.
  
  Calculation of the cross-sections of SUSY production at LHC in various channels and analysis of missing energy distributions.
  
  
• The factorization in hard processes involving the transverse momentum dependent functions will be studied and the evolution of these functions will be extracted to compare BELLE, HERMES and COMPASS Collins asymmetry data.
  
  The double spin asymmetries in the Drell-Yan process for J-PARC and for polarized U-70 will be calculated.
  
  The distribution amplitude for the transversally polarized -meson will be improved on the basis of QCD sum rules with nonlocal condensates.
  
  On this basis the predictions for the B1 form factor will be derived at moderate momentum transfers.
  
  Quark contribution to the amplitudes of longitudinally polarized and production within the GPD approach will be estimated. This will give a possibility to analyze spin density matrix elements in HERMES and COMPASS energy range.
  
  
• Investigations of the nonlocal chiral quark model of the NJL type for description of pseudoscalar, scalar and vector meson nonets will be continued. Decays of the vector mesons , to , and polarizability of ^± and ⁰ will be investigated in the framework of a nonlocal model. Different hadronic contributions to muon anomalous magnetic moment iduced by light-by-light scattering process will be calculated.
  
  The new finite-energy sum rules for total photoabsorption cross-sections on nucleon and nuclei will be derived and used to estimate the role of the non-Regge singularities in the definition of the real part of the Compton scattering amplitudes at high energies.
  
  Calculation of the instanton induced nonperturbative contributions to the cross sections of unpolarized and polarized processes (DIS and Drell-Yan). Analisis of nonperturbative contributions to transverse-momentum dependent quark distribution functions, the Sivers, Collins and Boer-Mulders functions, calculation of corresponding single-spin and double-spin asymmetries.
  
  Continue analysis of the world data on the unpolarized and polarized structure functions obtained in inclusive and semiinclusive DIS, in both NLO and LO QCD, including the new HERMES and COMPASS data with the aim to exctract detailed information on the structure of higher orders of perturbative QCD, the x-dependence of higher twist corrections and the shape of polarized gluon distribution function.
  
  
• Aiming the study of heavy-ion collisions at energies below about 20 AGeV, two issues are expected to be solved:
  
  to construct an equation of state for hot and dense nuclear matter within the relativistic mean-field theory with hadron masses and coupling constants depending on the sigma-field;
  
  to develop a consistent procedure for describing the fireball freeze-out at hydrodynamic expansion based on the Cooper-Frye/Bugaev consideration and to estimate observable hadron abundance.
  
  

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