summary of SciFi meeting Apr.19 2001

From: Taku Ishida (ishida@amaterasu.kek.jp)
Date: Mon Apr 23 2001 - 15:45:56 JST

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    Date: Mon, 23 Apr 2001 15:45:56 +0900 (JST)
From: Taku Ishida <ishida@amaterasu.kek.jp>
Subject: summary of SciFi meeting Apr.19 2001
Message-ID: <Pine.LNX.3.96.1010423154100.13666A-100000@amaterasu.kek.jp>

  [Summary of SciFi meeting]

  KEK TV meeting room 16:00-17:00, Apr.19, 2001
 
  Sakuda/Ishida/Iwashita/Yokoyama/Boyd/Eunju
 
 1) Data analysis
  - Yoshida's 2001 reprocess is now going.
  - Iwashita will start Nsk estimation with + MRD1L with ~2000 data.
    This will reduce systematic error. Check consistency with MRD3D
    way.
  - Prepare new data set between "nice" and "cand", which contain all 
    of neutrino interaction candidates in reproc. data.
 
                     # of events (~2000)
     fiducial              102,188
     Dveto                  15,809  -- 1st reduction "nice"
     goodspill              12,570
     Upveto                  9,360  <-- **
     LG                      5,888
     spectrum (LG,1L,2D,3D)  4,751  -- 2nd reduction "cand"
 
     ** is pure neutrino sample 
  - Addition of new banks (gtrack/kalman/sftntrack) will take place to 
    final samples. Ishida+Steve will discuss final design and commit code
    this month.
 
 2) MC 
  - Vector generation will be done in the 1st week of May (Hayato). 
    After this FGSIM generation will be started (Yoshida).  
  - Noise parameter for 2001 has been tuned both for CR and for beam
    by Steve and Yokoyama. They will commit them soon.
  - After this CR MC will be generated to check CCD-space hit 
    distribution.
 
 3) Improvement of hit finder
  - 1 dimensional fake hit filter (FC3) is known to be effective 
    to remove parallel ghost tracks.
  - FC3 will be applied for beam data subset by Steve.
  - Ishida will continue to develop new fake hit filter with best S/N.

 4) CR shift and analysis
  - We'll continue to take calibration CR data (usually 9:00-13:00 Monday). 
    Shift is assigned. Table is given at Iwashita's desk.  
  - Analysis will be done by Yokoyama
 ........................................................................
 
  - Sakuda at Kamioka (-Apr.28)
  - Steve will leave KEK on Apr.28
  - Eunju will present K2K results at KPS (Apr.26-May 3rd)
 ........................................................................

  - Next Meeting (TV, May 1st ?)

 (fin)

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