Contents of root-tuples
Kenji Hamano
Last modified : Jan 15, 2008
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Contents of root-tuples
Event block
sqrtS = beam energy from condition database
trueU4e = MC truth beam (Y(4S)) energy
trueU4p = MC truth Y(4S) momentum
nMC = number of candidates in MC truth list
nChgTrk = number of ChargedTracks
nGTVL = number of GoodTracksVeryLoose
nGTL = number of GoodTracksLoose
nPhoton = munber of single EMC bumps
nGamma = number of gammas from CalorNeutral list with E_gamma > 80 MeV
isABhabha = Bhabha event
nKaon = number of Kaon list (KMicroNotPionGTL)
nDlCand = number of Dl candidates
Dlnu block
nDl = number of selected Dl candidiates
trueD = D
trueDhad = D or Dstar
trueDstar = Dstar
trueDFromB = D from B
trueDlnu = D and l from the same B and the B has 3 daughters.
trueDlhadFromB = Dhadron from B
trueDlstarFromB = Dstar from B
trueLepFromB = lepton originated from B including b->D->X+l, etc.
trueLepFromSameB = lepton from the same B as Dhadron. Lund ID of B is used so, B0 and B0bar->B0 are considered to be same.
trueDhadlnu = Dhadron and l from the same B
trueDstarlnu = Dsatr and l from the same B
mcDirectLepFromB = lepton directly came from B
mcLepID = lepton ID
mcLepBID = Id of the mother B of the lepton
mcLepMotID = Id of the mother of the lepton
mcLepMotMom = momentum of the mother of the lepton
mcLepMissID = Mis identification of the lepton; 0 = not miss ID, 1 = miss ID
trueBDecMod = B decay mode
trueBDecMod2 = B decay mode in case of B->DDX (lepton side, in case l come from D (Cascade)))
trueBDecMod3 = B decay mode in case of B->DDX (D side)
trueDDecMod = D decay mode
trueDId = Id of D
trueSoftId = Id of soft dughter of D*
trueSoftCosT = cosTheta of soft dughter of D*
trueSoftP = LAB momentum of soft dughter of D*
trueSoftPs = CM momentum of soft dughter of D*
trueSoftPt = Pt of soft dughter of D*
noExtraKorPi = no extra K or Pi other than reconstructed ones; 1 = no extra K or Pi, 0 = may have extra K or Pi
mcKPifromSameD = K and all Pi come from the same D; 1 = yes, 0 = no.
mcKaonMissID = Miss ID of the kaon from D; 0 = not miss ID, 1 = miss ID
mcPiMissID = Miss ID of one of the pions from D; 0 = not miss ID, 1 = miss ID
mcKaonID = kaon ID
mcKmomBID = kaon mother B ID
mcLKFromSameB = lepton and kaon from same B. uid of B is used so, B0 and B0bar->B0 are distinguished.
mcPi1ID = pion-1 ID
mcPi2ID = pion-2 ID
mcPi3ID = pion-3 ID
stepsToKMoth = how many intermidiate particles to reach B
stepsToPi1Moth = how many intermidiate particles to reach B
stepsToPi2Moth = how many intermidiate particles to reach B
stepsToPi3Moth = how many intermidiate particles to reach B
mcW = w (q^2 dependence) value calculated by MC truth values of B and D momenta
MCcosL = cosTheta_L
MCcosV = cosTheta_V
MCcosChi = cosChi
trueLepMom = generated lepton momentum
trueDMom = generated D momentum
trueCosBY = generated CosBY
mcBE = B energy
mcBp = B momentum
mcBm2 = B mas square
mcDlE = Dl energy
mcDlp = Dl momentum
mcDlm2 = Dl mass square
DhadType = type of Dhadron; D* =>1, D =>0
DhadMode = Lund ID of Dhadron (D* or D)
D_plus => +411
D_minus => -411
D0 => +421
anti_D0 => -421
D_star_plus => +413
D_star_minus => -413
D_star0 => +423
anti_D_star0 => -423
DDecayMode = D0/D+ decay mode
1 => D0ToKpi
2 => D0ToK3pi
3 => D0ToKpipi0
4 => D0ToKspipi
5 => DchToKpipi
6 => DchToKspipi0
7 => DchToKspi
DhadChrg = Charge of D hadron
DChrg = Charge of D
KChrg = Charge of K from D
DhadMass = Dhadron (D* or D) mass
DMass = D mass
DhadMom = Dhadron (D* or D) momentum in CM
DMom = D momentum in CM
DlLepChrg = Dlnu side lepton charge
DlLepType = electron =1, muon =2.
DlLeptMom = Dl siide lepton momentum in CM
LepMomLab = Dl siide lepton momentum in LAB
SoftMom = momentum of soft daughter of D*
SoftPt = transverse momentum of soft daughter of D*
SoftPx = Px of soft daughter of D*
SoftPy = Py of soft daughter of D*
SoftPz = Pz of soft daughter of D*
tightK = tighter kaon selection; 0 => Not pass, 1 => Pass
DLcosV = cosV from BtaSemilepCand
DLcosL = cosL from BtaSemilepCand
DLcosChi = cosChi from BtaSemilepCand
DLcosBY = cosTheta_B-Dl calculated using lepton candidate from lepton list (with B0 mass)
DLcosBYBp = cosTheta_B-Dl calculated using lepton candidate from lepton list (with B+ mass)
B0Mass = B0 mass
BpMass = B+ mass
BEnergy = B energy = sqrtS/2
pB0 = B momentum calculated with B0 mass
pBp = B momentum calculated with Bp mass
eDl = Dl energy
pDl = Dl momentum
mDl = Dl mass
cosBY = cosTheta_B-Dl from BtaSemilepCand
nChrgDl = number of chagre tracks in the Dl candidate
nNeutDl = number of neutrals in the Dl candidate
nChrgNonDl = number of chagre tracks other than the Dl candidate
nNeutNonDl = number of neutrals other than the Dl candidate
DlThrust = thrust of Dl candidate
DlThrustAx = x component of thrust axis of Dl
DlThrustAy = y component of thrust axis of Dl
DlThrustAz = z component of thrust axis of Dl
nonDlThrust = thrust of particles and gamma other than Dl
nonDlThrustAx = x component of thrust axis
nonDlThrustAy = y component of thrust axis
nonDlThrustAz = z component of thrust axis
cosDlnonDl = cos of angle between Dl and non-Dl in CM frame
cosDLept = cos of the angle between D and the lepton in the Dl candidate in CM frame
cosDhadLept = cos of the angle between D hadron and the lepton in the Dl candidate in CM frame
FitDchiSq = chi squared of D tree fit
FitDnDof = number of degree of freedom of D tree fit
FitDstat = status of D tree fit
FitDprob = probability of D tree fit
FitBchiSq = chi squared of B tree fit
FitBnDof = number of degree of freedom of B tree fit
FitBstat = status of B tree fit
FitBprob = probability of B tree fit
trkEffCorr = tracking efficiency correction factor
trkEffCorrErr = statistical error of the above factor
PIDKCorr = Kaon PID correction factor
PIDKCorrErr = statistical error of the above factor
PIDLeptCorr = Lepton PID correction factor
PIDLeptCorrErr = statistical error of the above factor
PIDCorr = Total PID correction factor
PIDCorrErr = statistical error of the above factor
One BToDlnu candidate consists of one Dhadron and one Lepton.
Dhadron may be D* (D*+, D*-, D*0, or D*0bar) or D (D+, D-, D0, or D0bar).