[G12] TOF paddles and Goetz's thesis

Lei Guo lguo at jlab.org
Wed Jul 2 21:53:47 EDT 2014


Dead and inefficient paddles should be knocked out. What you and johann observed could be additional to this paddle knock out. I suggest we adopt both and apply both. 

Sent from my iPhone

> On Jul 2, 2014, at 5:37 PM, "Michael C. Kunkel" <mkunkel at jlab.org> wrote:
> 
> Greetings,
> 
> To add onto my discussion today about the TOF paddles. Rafael Badui 
> claims that his TOF paddle knock-out and my knock-out as a function of 
> angles seems to not coincide (mentioned today in the meeting). However, 
> if you look into Johann Goetz's thesis Figure 1.22 page 62, you see the 
> same angular distributions as I corrected for in my TOF study. 
> https://clasweb.jlab.org/rungroups/g12/wiki/index.php/TOF_Study. I had 
> thought it was decided that the discrepancies seen in the figures 
> provided were due to TOF and/or dead DC wires, so using an angle cut was 
> satisfactory.
> 
> If these were just TOF, shouldn't see these regions knockout with 
> Rafael's cuts?
> 
> BR
> MK
> 
> 
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