sPHENIX tracking discussion

["Liu, Ming Xiong" <mliu AT lanl.gov>]

Hi Tony,

Thanks for the slides, they are very helpful for me to understand the current tracking approach.

 

A quick question about misalignment correction:

We had some discussions among MVTX folks about implementing the MVTX misalignment corrections.

One of the ideas is to use the transformation matrix to implement the offset of a sensor position d(x,y,z,a,b,g) from the ideal geometry (the GEANT).   

Do we have a machinery ready to do such corrections?  

 

The current ML-based MVTX alignment has the capability to get the offset d(x,y,z,a,b,g) from standalone tracking.

 

Cheers,

Ming

 

-----

Dr. Ming Xiong Liu P-3, MS H846 Physics Division   Office: 505.667.7125 Mobile: 505.412.7396 Los Alamos National Laboratory

 

 

From: sPHENIX-tracking-l <sphenix-tracking-l-bounces AT lists.bnl.gov> on behalf of Anthony Frawley via sPHENIX-tracking-l <sphenix-tracking-l AT lists.bnl.gov>
Reply-To: Anthony Frawley <afrawley AT fsu.edu>
Date: Tuesday, August 30, 2022 at 11:49 AM
To: "sphenix-tracking-l AT lists.bnl.gov" <sphenix-tracking-l AT lists.bnl.gov>
Subject: [Sphenix-tracking-l] Embedding simulated tracks in real data

 

Hi All,

 

Following the discussion at yesterday's tracking software meeting, I have updated my slides on de-aligning and aligning sPHENIX tracking at:

https://indico.bnl.gov/event/16867/

 

The new slides 9 and 10 outline how I think we can embed simulated tracks in real data without modifying the simulation geometry.

 

Tony

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