Setup of a Drift Tube Muon Tracker and Calibration of Muon ...

Table 3.4: Data structure for calibration, position and alignment data.File Tree name Description Branch Contentcalib.root TCalib Tree with 4096 int tdcbin TDC valueentries, one for double radius Drift radiuseach TDC bin double sigma ResolutionTBound Tree with only int min Lower boundaryone entry int max Upper boundarygeo.root TPlane Tree with all int tdc TDC numbermodules within int subtdc module numbera plane (0,1) int igeo Reference to entry in TGeoTGeo Basic information int tdc TDC numberfor each module int subtdc module numberfloat x absolute x/y coordinate of module centerfloat y absolute z coordinate of module centerint plane Plane information [0,1]int plug Order in which TDC cables are attached [0,1]float orient rotation of moduleint iwire Entry in TGeo of first wire within moduleint back Orientation of HV board [0,1]TWire 96 Entries per int tdc TDC numberTDC, one for int subtdc Module numbereach wire float x x/y coordinate within modulefloat y z coordinate within moduleint mask Information, whether the channel is masked (1=masked)align.root TAlign Alignment data float dx x/y shift for each wirefloat dy z shift for each wire34