Available statistics in Data and MC

Photon energy before correction was required to be > 300 MeV.

4D distributions. Data.

Fig.1 Pi0 inv. mass in bins of Z,pT2,Q2,Nu (total 2916).Fit is guas+mixed back for N_entries > 100.


Fig.1a Here you can find references to the similar plots for all other targets:
D (from Pb) , Fe , D (from Fe) , C , D (from C )
Fig.1b Here you can find references the 4D background shape from Event Mixing

3D distributions. Data.
Fig.2 Pi0 inv. mass in bins of Z,pT2,Nu (total 2916) integrated over Q2.
Here you can find references to the 3D plots for all targets: Pb , D (from Pb) , Fe , D (from Fe) , C , D (from C )


2D distributions. Data.
Fig.3 All 3(+3D) target are plotted horizantally; vertically are bins in : pT x z , pT x nu , z x nu


4D distributions. Rec MC.
Pi0 inv. mass in bins of Z,pT2,Q2,Nu (total 2916).

Fig.4a Fit gaus + mixed background (Pol4) (for N>100 entries) : D , Fe
Fig.4b Fit gaus + Pol2 (for N>100 entries) : D , Fe
Fig.4b Fit gaus only for matching photons : D , Fe


Mixed background shapew for 4D distributions. Rec MC.
Fig.5 4D mixed background shape is here


r