[Frost] About the current status after the 8th DC Calibration

Franz Klein fklein at jlab.org
Fri Jul 29 12:08:32 EDT 2011


Great, Sungkyun!

I see a great improvement for DC region 1 (superlayers 1+2), but do you 
have an idea why the mean for DC region 3 (superlayers 5+6) are still far 
from 0?

Greetings
Franz

On Fri, 29 Jul 2011, Sungkyun Park wrote:

> HI all,
>
> Here is the mean and sigma of residue after the 8th DC Calibration.
>
>  http://hadron.physics.fsu.edu/~skpark/DC_Cal_g9b/DC_Cal_jul2911.html
>
> I calibrated only runs which are less run 62800.
> I also changed the size of Y-axis in mean.
>
> After the 8th iteration, the superlayer 1,2, and 4 are improved clearly.
> But the superlayer 5 and 6, which we have focused now, are a little worst.
> If you have any comments about the current condition, let me know them.
> I will use them as a reference.
>
> I will start another iterations today.
> I will try to have more iteration before next FROST meeting.
>
> Sung
> Florida State University
>

===============================================================
                   Franz J. Klein, Associate Professor
                   CUA, Department of Physics
                   Washington, DC 20064
   office: Hannan Hall 206          phone: 202-319-6190
   or: Jefferson Lab,CC F-243       phone: 757-269-6672
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