Re: congrats to successful TPC surgery

[Frederick Gray <fegray@berkeley.edu>]

>   It really isn't clear to us what changed.  The curve started falling 
> just before the beam went off around noon and did not recover when it 
> came back.  It seems that no individual magnet moved very far, but it 
> does seem that there was a somewhat systematic drifting on a sizeable 
> fraction of magnets right around 12:00 today.

Hi, Peter,

My hypothesis, based on a rough comparison of extinction factors with the timing
of COBRA activities today, is that we are being bitten by PSI's favorite snake.

-- Fred

-- Fred Gray / Visiting Postdoctoral Researcher                 --
-- Department of Physics / University of California, Berkeley   --
-- fegray@berkeley.edu / phone 510-642-2438 / fax 510-643-8497  --