[G14_run] a note on TOF corrections
Franz Klein
fklein at jlab.org
Wed May 6 11:34:40 EDT 2015
Hi,
I expected the discussion on TOF corrections to be short this morning:
some of the offsets in Delta T plots that Irene showed last week are
understood but the bulk of paddle corrections have to be studied once more:
- Haiyun's studies from last summer were based on silver 5 data (we
might need different corrections for other run ranges);
- for some counters it is only possible to get reasonable results if you
do empirical time-walk corrections based on the data.
I will work with Haiyun to get reasonable corrections over the next
week(s)!
The current code can be downloaded
https://clasweb.jlab.org/rungroups/g9/wiki/index.php/TSCtimeCorr (for
g9b I did some empirical time-walk corrections based on p pi+ pi-
events, I will try to use the same correction functions for problematic
'green' paddles first).
Greetings,
Franz
ps. I tried to reconnect to the meeting this morning but blueJeans got
stuck.
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