BB vertex

From: Hironori Ito (hito@students.phsx.ukans.edu)
Date: Thu Sep 13 2001 - 05:51:14 EDT

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    	Hello.  My first try (well not really first since I tried many
    times to get it working) of getting BB vertex is shown in
    "http://pii3.brahms.bnl.gov/~hito/bb/bbvertex.html"  Since many of you are
    not interested in the detail, here is the summary.  
    
    1.  Small tubes are easily slew corrected.
    2.  Big tubes behave very strangely at large adc values.
    3.  My BB vertex sigma is .95 cm  (or is it???)
    4.  my slewing function is "a + b/sqrt(x) + c/x"
    5.  Question about Cluster Vertex.  (Bjorn and Trine may be able to answer
    my question.)
    
    	Hiro
    



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