EST Eficiencies

            The new Est tracking is acually set to reconstruct tracks going trough SVT and TPC in the following to patterns:

          To evaluate the efficiency of reconstruction of secondaries tracks, I define the Efficiency as above, but when selecting the good MC trcaks I request this tracks NOT to came from the primary vertex. The purity is also defined as above but selecting  globals RC tracks I ask them NOT to have a primary track partner.