Definition of hQOD Quantities
From Jingliang Hu.  

Last Updated: 9 November 2004.

- panel 'Bulging'
 
 * HelixfitTdiff
   Mean value of the drift time difference between DC planes
   inside DenseStack and the other DC planes. All drift times
   are from Helix fit of tracks within the decay time window.

 * HelixFitChi2
   Mean value of Chi2/dof of Helix fit of tracks within the
   decay time window.

 * HelixFitNhit
   Mean value of Number of hits used in the Helix fit.

 * DCTimePlane1
   Mean value of times of raw DC1 TDC hits within the decay window.

 * DCTimePlane4
   Mean value of times of raw DC4 TDC hits within the decay window.
   
 * DCTimePlane26
   Mean value of times of raw DC26 TDC hits within the decay window.

 * DCTimePlane17Top
   Mean value of times of raw DC17 TDC hits within the decay window.
   A cut is applied on hits' position, y > 0.

 * DCTimePlane17Bottom
   Mean value of times of raw DC17 TDC hits within the decay window.
   A cut is applied on hits' position, y < 0.

 * DCTimePlane1Center
   Mean value of times of raw DC1 TDC hits within the decay window.
   A cut is applied on hits' position, sqrt(x**2+y**2) < 3.0cm.
   
 * DCTimePlane4Center
   Mean value of times of raw DC4 TDC hits within the decay window.
   A cut is applied on hits' position, sqrt(x**2+y**2) < 3.0cm.

   
- panel 'DC_PC_HITS'
 
 * PCHits
   Mean value of total number of PC hits in the decay window (H34152).
   
 * DCHits
   Mean value of total number of DC hits in the decay window (H34153).
   
 * DCMultiplicity
   Mean value of multiplicity of DC hits (H01002).
   
 * PCMultiplicity
   Mean value of multiplicity of PC hits (H01502).
    
 * MuPCWidthSum
   Mean value of the sum of TDC width for muon beam hits in PC planes (H30172).
   
 * MuDCWidthSum
   Mean value of the sum of TDC width for muon beam hits in DC planes (H30173).

 * e+DCWidthAveUS
   Mean value of the sum of TDC width for decay positron hits in the
   upstream DC planes (H30185).
 
 * e+DCWidthAveDS
   Mean value of the sum of TDC width for decay positron hits in the
   downstream DC planes (H30195).
 
- panel 'Mu_Pos_Profile'
 
 * XMuFirstPlane
   Mean value of x position of muon beam on the first PC plane.
   
 * YMuFirstPlane
   Mean value of y position of muon beam on the first PC plane.
   
 * XMuLastPlane
   Mean value of x position of muon beam on the last PC plane.
   
 * YMuLastPlane
   Mean value of y position of muon beam on the last PC plane.
   
 * Xe+FirstPlane
   Mean value of x position of decay positrons on the first PC plane.
   
 * Ye+FirstPlane
   Mean value of y position of decay positrons on the first PC plane.
   
 * Xe+LastPlane
   Mean value of x position of decay positrons on the last PC plane.
   
 * Ye+LastPlane
   Mean value of y position of decay positrons on the last PC plane.

   
- panel 'Bean'
 
 * RFTOF
   Mean value of raw RF Time of Flight (H09250)
   
 * CPTOP
   Mean value of raw CP Time of Flight (H09251)
   
 * CPTOFMultiplicity
   Mean value of raw CP TOF multiplicity (H09254)

 * M12ADC
   Mean value of raw M12 ADC (H09283)
   
 * WindowType
   Mean value of window type distribution (H30350)
   
 * EventType
   Ratio of Time Clean over Simple Clean according to the Event type
   distribution (H34014). 
   
 * MuStoppingZ
   Mean value of the muon stopping Z position (H34158).
   
 * RestrictedMuStoppingZ
   Mean value of the muon stopping Z position. Z is within (-12.,12.)
   for H34158.
   
 * DecayAsym
   A variable measuring the asymmetry of muon decays. Got from H30350,
   a histogram of the window type distribution.

      f = entries in bin 3 (window type = 2)
      b = entries in bin 4 (window type = 3)

      DecayAsym = (f- b) / (f + b)
      

- panel 'ScalerRatios'

 * MRatio
   Ratio of accumulated M triggers over accumulated T1ION for a run.
   
 * PURatio
   Ratio of accumulated PU triggers over accumulated T1ION for a run.
 
 * DSRatio
   Ratio of accumulated DS triggers over accumulated T1ION for a run.