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Introduction 

Here list the short description for variables in the current common ntuple, produced with program "makeNtuple" 

> >  General 


Int_t info_evvalid
 There are valid values in the event info values if valid==0.

UInt_t info_run

 

> > 
ECAL 


Int_t ecal_ish

Int_t ecal_nsh

 

> > 
Tracker 


Int_t trk_itrk

Int_t trk_ntrk




Float_t trk_layresy[9][2]


> > 
TOF 


Int_t tof_ibeta

Int_t tof_ibetah

 

> > 
TRD 


Int_t trd_itrd

Int_t trd_ihtrd



Int_t trd_nhtrd
 The (historical) combined number of TRD tracks: trd_nhtrd/100: number of TrdTrack. trd_nhtrd%100: number of TrdHTrack.

Int_t trd_nhits[3]


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 The number of hits used in likelihood calculation for inner(0), maxspan(1) and trd refit(2)

 

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 Then umber of offtrack(nearby) hits used in likelihood for inner(0), maxspan(1) and trd refit(2)

 

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 The (tracker) fit code used in likelihood calcluation for inner(0) and maxspan(1) .

 

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 The TRD likelihood from inner(0), maxspan(1) and trd refit(2) track position (1st dimension) and for electron(0), proton(1) and helium(2) particle (2nd dimension).

> > 

 The TRD likelihood from inner(0), maxspan(1) and trd refit(2) track position (1st dimension) and for electron(0), proton(1) and helium(2) particle (2nd dimension), calculated from rigidity.

 

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 The TRD likelihood ratio from inner(0), maxspan(1) and trd refit(2) track postion (1st dimension) and for e/p(0), e/He(1), p/He(2) ratios (2nd dimension).

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 The TRD likelihood ratio from inner(0), maxspan(1) and trd refit(2) track postion (1st dimension) and for e/p(0), e/He(1), p/He(2) ratios (2nd dimension), calculated from rigidity.



Float_t trd_klkhd_e[3][3]
 The likelihood ratio calculated from ECAL energy estimation.

Float_t trd_theta

 

> > 
RICH 


Int_t rich_inv

Int_t rich_jjok

 

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