bank_ftg

              FTG Grid Fitter Summary bank.  One for each event
              =================================================
 
    Contact:  M. Moorhead, LBL.
 
    Revision History:-
    ================
 
    2.09  M. Moorhead  First version.
    4.02  X. Chen      Add  KFTG_chi2, KFTG_chi2_nfit, KFTG_div.
          N. West      Add structural link to FTXA
 

 
Description
-----------
 
    This document only describes grid fitter extensions to the generic FTx bank.
See:-
 
    ftx
 
for a description of the FTx bank.
 
 
Reference Links
---------------
 
    No extensions.
 
 
Structural Links
----------------
 
 -1  -KFTX_FTXV  FTGV   Link to first fit vertex.
 -2  -KFTX_FTXA  FTXA   Link to fit analysis bank.
 
    No extensions.
 
 
Status Bits
-----------
 
Note: Any status bit parameters are defined to work with bit functions such as
      IAND and BTEST.
 
 
Data Words
----------
 
 
    Data types: B(bit), I, F, D(double), H(hollerith 4 char)
 
>+9                    The first 8 words are as for FTx bank.
 
 +9  F KFTG_M_LIKE        Likelihood of event at fit point
 +10 F KFTG_M_LIKE_GRID   Likelihood of event at best grid point
 +11 F KFTG_M_LIKE_RATIO  Likelihood at fit point / Nhits
 +12 F KFTG_RFIT_GRID     Rfit for best grid point
 +13 F KFTG_RCUBE         Rfit cubed
 +14 F KFTG_F_USED        Fraction of hits used for best grid point
 +15 F KFTG_CHI2          Likelihood of the in time hits
 +16 I KFTG_CHI2_NFIT     Number of in time hits
 +17 F KFTG_DIV           Spare slot for the divergence parameter.