  Hadron production is investigated in proton-proton (pp) collisions at \surds
= 7 TeV LHC energy - especially outside the cones of identified jets. We
improved the original CDF definition of underlying event and introduce
surrounding rings/belts (SB) around the cone of identified jets. We compare the
characteristics of hadron production using the original CDF-based and the new
SB-based via analysing PYTHIA generated fluxes of these hadrons within the
geometrical regions of pp collisions.
