sigma_Lagr_NucSpl_minerva_me.dat - cs with errors - 785000 events
sigma_Lagr_NucSpl_minerva_le.dat - 108000 events
ene_bin.dat gives the ene_binning.
eff_cs_le-cc-bd-i111-ph-sa.dat  - efficiencies purity for cross section, le
eff_cs_me-cc-bd-i111-ph-sa.dat  - efficiencies purity for cross section, me
eff_pur_q2_1_2trk_me_mod.dat - eff & puritye for q2. Last column is the one that is used
     rows are q2 bins, 0.1-0.5, 0.5-1.0, 1.0-2.0, 2.0-3.0, 3.0-9.0
eff_pur_q2_1_2trk_le_mod.dat - same as above for le
q2_nu_Minerva_nu_LE.dat - gives q2 binning
q2_nu_Minerva_nu_ME.dat - gives q2 binning
q2_num_event_le.dat - events in Q2 bin
q2_num_event_me.dat - events in Q2 bin