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Run 23 initial BeamLine calibration

Made using data from day 143, with zero SpaceCharge distortion corrections.

-Gene

Dihadron azimuthal correlation asymmetry and unpolarized cross section: Paper Proposal Draft

 

Target Journal: Physics Review D 

Title:

JPSI_dielectron_UPC

 

JPSI_dielectron_UPC

 

Second EPD Timing Scan of Run 23

In our first timing scan of this run, we found the optimum timing labels for the EPD QTs.  H

QTD

Fast offline QA Au+Au@200GeV (run2023)

Regular QA
Trigger: 900001 and 900001+40+41
Vz cut: -145., 145.
XYSqr cut: 2.
NHits cut: 10, 1e6
P cut: 0., 100.
Pt cut: 0.15, 1.45

QA for BHT3 dataset

 

Have the EPD SiPMs degraded over time?

Executive Summary

Silicon multipliers (SiPMs) are damaged by radiation.  This increases dark current and noise, broadening a peaked distribution of (e.g.) measured energy loss in a dete

E0_p in pT from 1 to 1.0