root [2] 
root [2] 
root [2] tree1->Draw("r_track");
Error in <TTreeFormula::Compile>:  Bad numerical expression : "r_track"
root [3] tree1->Draw("mom_track");
Error in <TTreeFormula::Compile>:  Bad numerical expression : "mom_track"
root [4] tree1->Draw("mom_tr");
root [5] tree1->Draw("mom_tr","mom_tr<2");
root [6] tree1->Draw("en_cl/mom_tr","mom_tr<2");
root [7] tree1->Draw("en_cl/mom_tr:mom_tr","mom_tr<2");
root [8] tree1->Draw("en_cl/mom_tr:mom_tr","mom_tr<2");
Info in <TCanvas::MakeDefCanvas>:  created default TCanvas with name Canvas_1
root [9] tree1->Draw("en_cl/mom_tr:mom_tr","mom_tr<2","zcol");
root [10] tree1->Draw("en_cl/mom_tr:mom_tr","mom_tr<2&&en_cl<10","zcol");
root [11] tree1->Draw("en_cl/mom_tr:mom_tr","mom_tr<2&&en_cl/mom_tr<10","zcol");
root [12] tree1->Draw("en_cl/mom_tr:mom_tr","mom_tr<2&&en_cl/mom_tr<3","zcol");
root [13] tree1->Draw("r_tr");
root [14] tree1->Draw("en_cl/mom_tr:mom_tr","mom_tr<2&&en_cl/mom_tr<10","zcol");
root [15] tree1->Draw("en_cl/mom_tr:mom_tr","mom_tr<2&&en_cl/mom_tr<10&&r_tr>20","zcol");
root [16] tree1->Draw("en_cl/mom_tr:mom_tr","mom_tr<2&&en_cl/mom_tr<3&&r_tr>20","zcol");
root [17] tree1->Draw("en_cl/mom_tr:mom_tr","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30","zcol");
root [18] tree1->Draw("en_cl/mom_tr:mom_tr","mom_tr<2&&en_cl/mom_tr<3&&r_tr>40","zcol");
root [19] tree1->Draw("en_cl","mom_tr<2&&en_cl/mom_tr<3&&r_tr>40&&mom_tr>0.8","zcol");
root [20] tree1->Draw("en_cl","mom_tr<2&&en_cl/mom_tr<3&&r_tr>40&&mom_tr>0.9","zcol");
root [21] tree1->Draw("en_cl","mom_tr<2&&en_cl/mom_tr<3&&r_tr>40&&mom_tr>1.0","zcol");
root [22] tree1->Draw("en_cl","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0","zcol");
root [23] tree1->Draw("en1","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0","zcol");
root [24] tree1->Draw("en","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0","zcol");
root [25] tree1->Draw("en","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>0","zcol");
root [26] tree1->Draw("en_cl","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0","zcol");
root [27] tree1->Draw("en","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>0","zcol");
root [28] tree1->Draw("en1","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>0","zcol");
root [29] tree1->Draw("en1","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en1>0","zcol");
root [30] tree1->Draw("en1","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en1>-2","zcol");
root [31] tree1->Draw("en1","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en1>0","zcol");
root [32] tree1->Draw("en2","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en2>0","zcol");
root [33] tree1->Draw("en2","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en2>-10","zcol");
root [34] tree1->Draw("ntrack");
Error in <TTreeFormula::Compile>:  Bad numerical expression : "ntrack"
root [35] tree1->Draw("ntr");
root [36] tree1->Draw("en2","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en2>-10&&ntr=1","zcol");
Error in <TTreeFormula::Compile>:  Bad numerical expression : "ntr=1"
root [37] tree1->Draw("en2","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en2>-10&&ntr==1","zcol");
root [38] tree1->Draw("en","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1","zcol");
root [39] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1","zcol");
root [40] TBrowser t
root [41] tree1->Draw("ndf","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1","zcol");
root [42] tree1->Draw("prob","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1","zcol");
root [43] tree1->Draw("en","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1","zcol");
root [44] tree1->Draw("en","mom_tr<2&&en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.8","zcol");
root [45] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.8","zcol");
root [46] tree1->Draw("en:ndf","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.8","zcol");
root [47] tree1->Draw("en:ndf","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.8&&ndf>16","zcol");
root [48] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.8&&ndf>16","zcol");
root [49] tree1->Draw("en_cl","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.8&&ndf>16","zcol");
root [50] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.8&&ndf>16","zcol");
root [51] tree1->Draw("nhit","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.8&&ndf>16","zcol");
root [52] tree1->Draw("nhit","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.9&&ndf>16","zcol");
root [53] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.9&&ndf>16","zcol");
root [54] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>20&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.9&&ndf>16","zcol");
root [55] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>10&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.9&&ndf>16","zcol");
root [56] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.9&&ndf>16","zcol");
root [57] tree1->Draw("en1","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en1>-10&&ntr==1&&prob>0.9&&ndf>16","zcol");
root [58] tree1->Draw("en2","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en2>-10&&ntr==1&&prob>0.9&&ndf>16","zcol");
root [59] tree1->Draw("en2","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en2>-10&&ntr==1&&prob>0.9&&ndf>18","zcol");
root [60] tree1->Draw("en2","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en2>-10&&ntr==1&&prob>0.9&&ndf>14","zcol");
root [61] tree1->Draw("en2","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en2>-10&&ntr==1&&prob>0.9&&ndf>12","zcol");
root [62] tree1->Draw("en1","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en1>-10&&ntr==1&&prob>0.9&&ndf>12","zcol");
root [63] tree1->Draw("en1:","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en1>-10&&ntr==1&&prob>0.9&&ndf>1","zcol");
Error in <TTreeFormula::Compile>:  Empty String
root [64] tree1->Draw("en1:ndf","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en1>-10&&ntr==1&&prob>0.9&&ndf>1","zcol");
root [65] tree1->Draw("en1:ndf","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en1>-10&&ntr==1&&prob>0.9&&ndf>12","zcol");
root [66] tree1->Draw("en1","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en1>-10&&ntr==1&&prob>0.9&&ndf>12","zcol");
root [67] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.9&&ndf>12","zcol");
root [68] tree1->Draw("en1","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en1>-10&&ntr==1&&prob>0.9&&ndf>12","zcolsame");
root [69] tree1->Draw("en2","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en2>-10&&ntr==1&&prob>0.9&&ndf>12","zcolsame");
root [70] tree1->Draw("en2","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en2>-10&&ntr==1&&prob>0.9&&ndf>12","colsame");
root [71] tree1->Draw("en2","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en2>-10&&ntr==1&&prob>0.9&&ndf>12","colsame");
root [72] tree1->Draw("en2","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en2>-10&&ntr==1&&prob>0.9&&ndf>12","colsame");
root [73] tree1->Draw("en2","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en3>-10&&ntr==1&&prob>0.9&&ndf>12","colsame");
Error in <TTreeFormula::Compile>:  Bad numerical expression : "en3"
root [74] tree1->Draw("prob");
root [75] tree1->Draw("r_tr");
root [76] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.9&&ndf>12","zcol");
root [77] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.9&&ndf>12","zcolsame");
root [78] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.9&&ndf>12","zcol");
root [79] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.9&&ndf>12","zcol");
Info in <TCanvas::MakeDefCanvas>:  created default TCanvas with name Canvas_1
root [80] tree1->Draw("ndf");
root [81] tree1->Draw("en","en_cl/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.9&&ndf>12","zcol");
 tree1->Draw("en","en/mom_tr<3&&r_tr>30&&mom_tr>1.0&&en>-10&&ntr==1&&prob>0.2&&ndf>10","zcol");


tree1->Draw("en","r_tr>40&&prob>0.2&&mom_tr>1&&ndf>12&&en/mom_tr<1","zcol");

root [0] TChain *a = new TChain("tree1");
root [1] a->Add("2115_0.root");
root [2] a->Add("2115_1.root");
root [3] a->Draw("ndf");