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[Sphenix-hcal-l] Calorimeter Calibrations Meeting [08/27/23]

From: "Hodges, Anthony" <ahodges4 AT illinois.edu>
To: "sphenix-emcal-l AT lists.bnl.gov" <sphenix-emcal-l AT lists.bnl.gov>, "sphenix-hcal-l AT lists.bnl.gov" <sphenix-hcal-l AT lists.bnl.gov>, Takao Sakaguchi via sPHENIX-calibration-l <sphenix-calibration-l AT lists.bnl.gov>
Subject: [Sphenix-hcal-l] Calorimeter Calibrations Meeting [08/27/23]
Date: Mon, 28 Aug 2023 01:48:13 +0000

Good evening, everyone,

Sorry for the late notice [again], but we'll have our regularly scheduled Calorimeter Calibrations meeting at 11:00AM EDT tomorrow morning. The indico page can be found here:

https://indico.bnl.gov/event/20381/

And the corresponding zoom link can be found here:

https://bnl.zoomgov.com/j/1617635022?pwd=WmlVME9tcnlTYnlkUC9nU3crNTdRdz09

Like last week, in addition to calibration-related material, we will also welcome any jet-related updates as well to facilitate the timely dissemination of feedback on analyses. We welcome, in particular, analyses making use of the new, calibrated Run 23 dataset to present updates. I will give a presentation on the neutral meson analysis for QM23, which will also double as an update on the status and efficacy of our current round of calorimeter calibrations for the EMCal. If you'd also wish to present, please feel free to reach out to Blair or myself and we'll add you to the agenda!

Lastly, a new round of the production has completed. This round applies a residual correction to the cluster position-dependent energy correction to deal with the residual non-closure found at low p_T. This production won't matter to you unless you've been using the EMCal clusters. The DST's can be found here:

/direct/sphenix+tg+tg01/jets/ahodges/run23_production_pdcFixFlat

These, like the previous round circulated, have z-vertex information from the MBD. We recommend imposing at least a +/-30 cm cut to clean up the MBD-Calo correlations, as well as rejecting events with a z-vertex that is identically zero. These are events where the z-vertex reconstruction failed, but a reasonable vertex (i.e. not -9999) is still required downstream, so a default of exactly zero is given.

See you all tomorrow morning,

-Anthony and Blair

Anthony Hodges, PhD (he/him/his)

High Energy Experimental Nuclear Physics

Postdoctoral Researcher, NSF MPS-Ascend Fellow

University of Illinois Urbana-Champaign

[Sphenix-hcal-l] Calorimeter Calibrations Meeting [08/27/23], Hodges, Anthony, 08/27/2023