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Subject: sPHENIX is a new detector at RHIC.
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- From: Megan Connors <meganeconnors AT gmail.com>
- To: Sphenix L <sphenix-l AT lists.bnl.gov>
- Subject: [[Sphenix-l] ] Workfest day-3
- Date: Wed, 18 Jun 2025 08:38:10 -0400
Dear all,
The workfest continues today, Day 3, after 2 productive days. All logistical information is available on the indico page: https://indico.bnl.gov/event/28173/
The Calo workfest photo was well received in the PAC presentation. In addition to joining the workfest in person or via zoom, you can follow along with updates and join the discussions via their new mattermost channel Calo_Jet_Bulk_Workfest_2025_06
During Day 2's Tracking workfest, we had:
- a presentation from Dhanush about digital currents from last year (100% streaming) Au-Au TPC data Assignment to switch to this year data, and participate to the (new firmware) digital current effort
- a presentation from Christof about characterizing the TPC gain in Au-Au using dE/dx, as a function of sector number, TPC occupancy, number of bunches, etc. This is part of deep data checks already.
- a discussion about what we should do for the workfest, during the rest of this week and the next…
We see three thrusts that we need to carefully balance:
- Deep checks of the data we are taking now, to assess data quality. What should be such checks ? What is already performed via offline QA ? at which point do we consider ourselves satisfied ? (e.g.: is having a K0S peak enough ? should we look at it as a function of centrality, zdc rate, etc.; MVTX efficiency loss, or absence thereof when running in triggered mode; etc.)
- automatizing our procedures. All the checks and calibrations that we need are performed 'manually' right now. We are getting more data than we can chew and must make it as automatized as possible. For instance: lamination/central membrane distortion corrections; TPOT-silicon distortion corrections; T0 and drift velocity calibrations using silicons; using TPOT.
- getting high level results for both pp and Au-Au, to show for the next PAC meeting and Initial Stages. Tony sent an email to the tracking list, announcing this discussion to happen during tomorrow's tracking meeting.
- a presentation from Dhanush about digital currents from last year (100% streaming) Au-Au TPC data Assignment to switch to this year data, and participate to the (new firmware) digital current effort
- a presentation from Christof about characterizing the TPC gain in Au-Au using dE/dx, as a function of sector number, TPC occupancy, number of bunches, etc. This is part of deep data checks already.
- a discussion about what we should do for the workfest, during the rest of this week and the next…
We see three thrusts that we need to carefully balance:
- Deep checks of the data we are taking now, to assess data quality. What should be such checks ? What is already performed via offline QA ? at which point do we consider ourselves satisfied ? (e.g.: is having a K0S peak enough ? should we look at it as a function of centrality, zdc rate, etc.; MVTX efficiency loss, or absence thereof when running in triggered mode; etc.)
- automatizing our procedures. All the checks and calibrations that we need are performed 'manually' right now. We are getting more data than we can chew and must make it as automatized as possible. For instance: lamination/central membrane distortion corrections; TPOT-silicon distortion corrections; T0 and drift velocity calibrations using silicons; using TPOT.
- getting high level results for both pp and Au-Au, to show for the next PAC meeting and Initial Stages. Tony sent an email to the tracking list, announcing this discussion to happen during tomorrow's tracking meeting.
Best,
-Megan and Jin
- [[Sphenix-l] ] Workfest day-3, Megan Connors, 06/18/2025
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