ntupel common block inf., track information HDTF bank: BDCTRK ------------------------------------------------------ common block name: BDCTRK definition of the variables: NTRKS : number of selected tracks IHOTRK : TRZ0(MXBDCTR) : Z of track params, typ. -145.26 TRR0(MXBDCTR) : Radial position in xy plane at Z0 TRPHI0(MXBDCTR):Azimuth in xy plane at Z0 TLP(MXBDCTR) : TAN of Polar angle parallel to R0 TLS(MXBDCTR) : TAN of Polar angle perpendicular to R0 DR0(MXBDCTR) : Error of R0 DPHI0(MXBDCTR): Error of PHI0 DTLP(MXBDCTR) : Error of TLP DTLS(MXBDCTR) : Error of TLS CHSQ(MXBDCTR) : Chi squared DEDX(MXBDCTR) : dE/dx NHITR(MXBDCTR): Number of hits TRQ(MXBDCTR) : Total charge around the track QLAY0-7(..) : Charge / layer around the track IQLAY0-7(..) : Validity flag, QLAY0-7 ok if IQLAY0-7 = 0 RLAY0-7(..) : Residual / layer around the track IRLAY0-7(..) : Validity flag, RLAY0-7 ok if IRLAY0-7 = 0 CHIEXT((MXBDCTR)Extended chi** a la Katzy ntupel common block inf., SPACAL e cluster linked with BDC track: SPACBDC ----------------------------------------------------------------- common block name: SPBDLC definition of the variables: NSPBDL : Number of tracks linked to the SPACAL cluster DIZSPL(MXSPBD) : Distance vtx - SPACAL line to BDC track in ZBDC XZSPL(MXSPBD) : space point from vtx-SPACAL on BDC track YZSPL(MXSPBD) : ZZSPL(MXSPBD) : RZSPL(MXSPBD) : r from vtx-SPACAL on BDC track PZSPL(MXSPBD) : phi from vtx-SPACAL on BDC track DRZSPL(MXSPBD) : space point from vtx-SPACAL on BDC track DPZSPL(MXSPBD) : difference in r and phi XXBD(MXSPBD) : space point of the BDC track YXBD(MXSPBD) : ZXBD(MXSPBD) : RXBD(MXSPBD) : r of the BDC track PXBD(MXSPBD) : phi of the BDC track TLPXBD(MXSPBD) : direction cosines of the BDC track TLSXBD(MXSPBD) : DRXBD(MXSPBD) : error of r of the BDC track DPHXBD(MXSPBD) : error of phi of the BDC track DTPXBD(MXSPBD) : error of the direction cosines of the BDC track DTSXBD(MXSPBD) : CSQXBD(MXSPBD) : chi **2 of the BDC track DEDXBD(MXSPBD) : dEdx of the BDC track HHTXBD(MXSPBD) : number of hits of the BDC track ntupel common block information, extrapolated CT linked with BDC track: CTBDC ----------------------------------------------------------------------- common block name: CTBDLC definition of the variables: NCTBDL : Number of tracks linked to the central track DIZCTL(MXCTBD) : Distance extrapolated CT track to BDC track in ZBDC XZCTL(MXCTBD) : space point from extrapolated CT track on BDC track YZCTL(MXCTBD) : ZZCTL(MXCTBD) : RZCTL(MXCTBD) : r from extrapolated CT track on BDC track PZCTL(MXCTBD) : phi from extrapolated CT track on BDC track DRZCTL(MXCTBD) : space point from extrapolated CT track on BDC track DPZCTL(MXCTBD) : difference in r and phi XCBD(MXCTBD) : space point of the BDC track YCBD(MXCTBD) : ZCBD(MXCTBD) : RCBD(MXCTBD) : r of the BDC track PCBD(MXCTBD) : phi of the BDC track TLPCBD(MXCTBD) : direction cosines of the BDC track TLSCBD(MXCTBD) : DRCBD(MXCTBD) : error of r of the BDC track DPHCBD(MXCTBD) : error of phi of the BDC track DTPCBD(MXCTBD) : error of the direction cosines of the BDC track DTSCBD(MXCTBD) : CSQCBD(MXCTBD) : chi **2 of the BDC track DEDCBD(MXCTBD) : dEdx of the BDC track HHTCBD(MXCTBD) : number of hits of the BDC track ntupel common block information, extr. BST linked with BDC track: BSBDC ------------------------------------------------------------------------ common block name: BSBDLC definition of the variables: NBSBDL : Number of tracks linked to the BST DIZBSL(MXBSBD) : Distance extrapolated BST track to BDC track in ZBDC XZBSL(MXBSBD) : space point from extrapolated BST track on BDC track YZBSL(MXBSBD) : ZZBSL(MXBSBD) : RZBSL(MXBSBD) : r from extrapolated BS track on BDC track PZBSL(MXBSBD) : phi from extrapolated BS track on BDC track DRZBSL(MXBSBD) : |space point from extrapolated BS track on BDC track DPZBSL(MXBSBD) : |difference in r and phi XBBD(MXBSBD) : space point of the BDC track YBBD(MXBSBD) : ZBBD(MXBSBD) : RBBD(MXBSBD) : r of the BDC track PBBD(MXBSBD) : phi of the BDC track TLPBBD(MXBSBD) : direction cosines of the BDC track TLSBBD(MXBSBD) : DRBBD(MXBSBD) : error of r of the BDC track DPHBBD(MXBSBD) : error of phi of the BDC track DTPBBD(MXBSBD) : error of the direction cosines of the BDC track DTSBBD(MXBSBD) : CSQBBD(MXBSBD) : chi 2 of the BDC track DEDBBD(MXBSBD) : dEdx of the BDC track HHTBBD(MXBSBD) : number of hits of the BDC track ntupel common block generic information: GENERIC ---------------------------------------- common block name: GENCOM definition of the variables: NGRUN : Run number NGEVT : Event number XVTX : YVTX : vertex ZVTX : kinematic variable and other info from e XBEL : x YEL : y Q2EL : Q ** 2 EEL : Energy of the electron PTEL : Pt from track angle and E energy ETEL : Pt from calorimeter alone THEEL : Theta of the electron PHIEL : Phi of the electron XCOGEL : x of the CoG of the e YCOGEL : y of the CoG of the e ZCOGEL : z of the CoG of the e RCOGEL : r of the CoG of the e PCOGEL : phi of the CoG of the e