Re: Minutes of SciFi weekly meeting (00/Oct/30)

From: Jeon, Eun-Ju (ejjeon@jeonsi.kek.jp)
Date: Tue Oct 31 2000 - 17:23:46 JST

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    Date: Tue, 31 Oct 2000 17:23:46 +0900 (KST)
    From: "Jeon, Eun-Ju" <ejjeon@jeonsi.kek.jp>
    Subject: Re: Minutes of SciFi weekly meeting (00/Oct/30)
    Message-ID: <Pine.LNX.4.10.10010311720570.12301-100000@jeonsi.kek.jp>
    
    Dear sen-sei,
    
    > 2. Efficiency vs 1/cos(th)  (Jeon)
    > She plotted Npix and efficiency as function of 1/cos(th) for
    > cosmic-ray muons with real detector. 
     ^^^^^^^^^^^^^^^^^^  
    >
    Not cosmic-ray muon, but data of Jun00.
    
    Sincerely,
    ejjeon
    
    
    On Tue, 31 Oct 2000, Makoto Sakuda wrote:
    
    > Subject: Minutes of SciFi weekly meeting (00/Oct/23)
    > Subject: Minutes of SciFi weekly meeting (00/Oct/30)
    > 
    > 1. Analysis of Electron Beam (Jeon)
    > She managed to analyse both cosmic-ray data and beam test
    > data using the present SciFi software. First, she will
    > estimate the efficiency and Npix for cosmic-rays.
    > 
    > 2. Efficiency vs 1/cos(th)  (Jeon)
    > She plotted Npix and efficiency as function of 1/cos(th) for 
    > cosmic-ray muons with real detector.
    > 
    > 3. Reprocess 
    > Ishida reprocessed all data and MC data. He checks the
    > overlap between penetrating muons from 1kton and neutrino 
    > events in SciFi. It is less than 1%. He will estimate it.
    > 
    > 4. IIT maintenance etc (Iwashita)
    > Kobe group and Hamamatsu finished the IIT maintenance. They
    > adjusted the bolt fixing the 1st stage IIT and the 2ns stage 
    > IIT. Tanaka et al studied the gate width of MCP with LED.
    > 
    > We will take cosmic-ray data with a new gate width
    > (60microsec or so) after looking at Tanaka's data
    > carefully. EL data will be taken then.
    > 
    > Water leak check will be done when EL calibration is done. 
    > 
    > We observe that the black sheets covering SciFi detector 
    > become old and torn. In November, we will double the black
    > sheets.
    > 
    > 5. New official plots (Walter and Boyd)
    > They are almost ready. 
    > 
    > //
    > 
    > 
    > 
    



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