[Halld-pid] [EXTERNAL] Re: Follow up on TOF reconstruction

[Sean Dobbs]

Hi all,

My original email was being held up or hitting spam filters, so if you are interested, you can find the slides at:  https://halldweb.jlab.org/wiki/images/7/79/Sdobbs_HDGeant4_20191022.2.pdf

Cheers,
Sean

On Tue, Oct 22, 2019 at 6:01 PM Sean Dobbs <sdobbs at fsu.edu<mailto:sdobbs at fsu.edu>> wrote:
Hi all,

To follow up on the discussion at the HDGeant4 meeting today, I found that the TOF2/propagation_speed CCDB table was not filled with the correct value for the mc variation.  Once I updated that, the results look reasonable.  Please see the attached slides for a comparison of TOF1 and TOF2 track/point matching.  You can see that the effect I mentioned is no longer there.

So, I think that the reconstruction code is ready for the upcoming run.  Note that the values in the TOF2 CCDB tables are fillers for the moment, so getting some initial calibration in at the beginning of the run would be important.

Cheers,
Sean
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