Pion-LT/Kaon-Lt Meeting: Wednesday, October 26, 2022

Normally, pion-LT would go first today, but Richard had to leave early for
travel to DNP, so he went first.

**** Updates ****

Richard:
At the quarterly analysis meeting, Peter Bosted mentioned the luminosity
scan runs that had been taken just after Kaon-LT.  These were taken with only
one arm at a time (both set for electrons I think), so should be easier to
interpret.  Richard is looking into those runs.

Peter also provided information about some the rate-dependent effects he
observed/found corrections for [DG note: some corrections may depend on the
version of hcana used, as well as exact value of timing cuts I think]

Also working on using Bill's cross section code.  Need an example of Bill's
root trees to understand structure.

[There was some discussion about what Bill's code does since DG is not
familiar with it. Perhaps would be useful to have Bill attend a meeting to
give a brief overview?]

Jacob:
Not much to report (was traveling).  Trying to meet with Holly to discuss
HMS and SHMS optics (see discussion from a couple weeks ago).

Nathan:
Busy with committee reports and coursework - no analysis updates this week.

Junaid:
Also busy with committee report (2nd draft).

Jacob expressed interest in seeing committee reports.  Nathan and Junaid
agreed to pass them along when finalized. [DG comment: provides good example
of style of discussion appropriate for thesis].

Ali:
Working on implementing the spectrometer/angle offsets that Peter came up
with when analyzing all the SIDIS/Kaon-LT data and seeing how well they
work with the Heep data. Peter basically only has an offset for the HMS central
momentum (this offset is a function the HMS momentum). 

[DG comment: I think Peter also includes on offset for the HMS out-of-plane
angle. This has been around since the 6 GeV days, so might already be baked into
replay offsets.]

Also taking another look at tracking parameters and tracking efficiency
determination.

Meeting next Wednesday at the same time, then the following week
switches to the new meeting time: 7:15 Regina/8:15 Eastern