Star-tpc-l mailing list

[Richard Witt <witt AT usna.edu>]

Present: Alexei, Jim, Flemming, Yuri, Gene, and myself

== Hardware

— Nothing new reported this week

— STAR Ops meeting

—RHIC will return on May 22nd

— start with beam experiments

— magnets have not yet been warmed up (but polarity was changed last week)

== Electronics

— Nothing new reported this week

== Software

— Emmy has finished work on pt corrections based on mass splitting in eToF

— will invite back for summary of conclusion

— SC calibration for beam-beam for 2019-2024 (excluding 2022)

— new TPC alignment produces a small change in signed DCA 

— calibration with new alignment shows flat sDCA distributions for all years (< 1 mm)

— will move on to calibration production of AuAu 2023 data for ToF and dE/dx

— Yuri continuing study of magnetic field direction with respect to survey

— some gaps for magnet current data found in 2021 (about 1000 entries)

— comparing MC with real data

— Looking for geometry changes and cuts changes in 2012-2013

— have recalculated neutron flux for 2013 and 2022

— new 2013 calculation is not compatible with old one (~factor 4)

 

== AOB

— Nothing new reported this week

Best Regards,

  Richard

Sent from my iPad

-- 
"Education is the most powerful weapon which you can use to change
the world."

--Nelson Mandela

~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~
 Richard Witt, Professor of Physics     Phone (USNA): 410-293-6675
    United States Naval Academy         Email: witt AT usna.edu
~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~