void AliT0QATask::CreateOutputObjects()
{
// create histograms
+
+ OpenFile(0) ;
+
fhT01 = new TH1F("hRealVertex", "Primary vertex", 100, -20, 20);
fhT02 = new TH1F("hT0start", "T0 start time", 100, 12400, 12600);
fhT03 = new TH1F("hT0vertex", "T0vertex", 100, -20, 20);