Angular correlations in B(B)over-bar pair production at the LHC in the parton Reggeization approach

We calculate angular correlation spectra between beauty (B) and anti-beauty ((B) over bar) mesons in proton-proton collisions in the leading order approximation of the parton Reggeization approach consistently merged with the next-to-leading order corrections from the emission of additional hard gluon (NLO star approximation). To describe b-quark hadronization we use the universal scale-depended parton-to-meson fragmentation functions extracted from the combined e(+)e(-) annihilation data. The Kimber-Martin-Ryskin model for the unintegrated talon distribution functions in a proton is implied. We have obtained good agreement between our predictions and data from the CMS Collaboration at the energy root S = 7 TeV for B (B) over bar angular correlations within uncertainties and without free parameters.