[Hps-analysis] FEE Track Matched Clusters

[Graf, Norman A.]

Good Morning Holly,
I’m sure the experts will also chime in, but I’d like to point you to the presentations at
yesterday’s SVT meeting where there was quite a bit of discussion of alignment.
https://confluence.slac.stanford.edu/display/hpsg/10.6.2015+Weekly
Omar had also shown some slides (not yet posted) from his analysis of the v3
detector, which I assume he will be showing either tomorrow or Friday.
Norman

From: Hps-analysis [mailto:hps-analysis-bounces at jlab.org] On Behalf Of Holly Vance
Sent: Wednesday, October 07, 2015 7:24 AM
To: hps-analysis at jlab.org
Subject: [Hps-analysis] FEE Track Matched Clusters

Hi,

I analyzed the skimmed FEE events from pass 2 studying track matched clusters at the Ecal. I made a very short summary in the attached pdf, and I was wondering if anyone from tracking can comment on why the momentum for these tracks is 10% high/low.

How well do we know the SVT planes positions? I assume the survey cannot tell us this precisely.

-Holly


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