The STAR experiment

 

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

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

Rates from 24142014

 

 

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

 

Time	Talk	Presenter
10:00	Alignment Update ( 00:20 ) 1 file	Gavin Wilks
10:20	FttPointMaker ( 00:20 ) 1 file	Zhen Wang (SDU) (Shandong University)
10:40	Single Particle Jet Reconstruction ( 00:20 ) 1 file	Manny Rosales (University of Kentucky)

Time	Talk	Presenter
10:00	Forward Alignment Update ( 00:20 ) 1 file	Gavin Wilks

 

This page describes the EPD timing scan for the 2023 RHIC run, done in very early hours 18 May 2023.  It is deemed "semi-successful" because the new fourth crate (EQ4) in the syste

 

 

 

Request Type

Standard Embedding request (particle in real events)

Description

 production_OO_200GeV_2021
Library Tag: SL23c, Production Tag: P23ic
Trigger: 860001, 860002
Vertex cut: |Vz| < 30 cm, Vr< 2 cm
Good runs: https://drupal.star.bnl.gov/STAR/system/files/RFF_run_good.txt 

production_ps_OO_200GeV_2021
Library Tag: SL23c, Production Tag: P23ic
Trigger: 860001, 860002, 860111, 860103
Vertex cut: |Vz| < 30 cm, Vr< 2 cm
Good runs: https://drupal.star.bnl.gov/STAR/system/files/ps_run_good.txt

production_FF_OO_200GeV_2021
Library Tag: SL23c, Production Tag: P23ic
Trigger: 860011, 860012
Vertex cut: |Vz| < 30 cm, Vr< 2 cm
Good runs: https://drupal.star.bnl.gov/STAR/system/files/FF_minitree_run_good.txt



Single particle embedding pi+/k+/proton and pi-/k-/anti-proton
pT∝ exp{-1.0*sqrt(pT)} in [0, 10] GeV/c
Flat eta in [-2.0, 2.0]
Flat phi in [0, 2π]
5% multiplicity embed

Statistics: 
2.0 M events for pi
1 M for k and proton

 

General Information

Request ID	20232003
Priority: EC	0
Priority: pwg	High
Status	Assigned to Deputy [2/7]
Physics Working Group	Flow Chirality and Vorticity
Requested by	subhash
Contact email(s)	connectsubhash@gmail.com, shengli.huang@stonybrook.edu
Contact phone(s)
PWG email(s)	star-fcv-l@lists.bnl.gov
Assigned Deputy:	Not assigned
Assigned Helper:	Not assigned

Global Simulation Settings

Request type:	Standard Embedding request (particle in real events)
Number of events	1
Magnetic Field	---- SELECT MAGFIELD ----
Collision Type	---- SELECT COLLISION TYPE ----
Centrality	---- SELECT CENTRALITY ----
BFC tags
Production	---- SELECT PRODUCTION TAG ----
Geometry: simu	---- SELECT GEOMETRY ----
Geometry: reco	---- SELECT GEOMETRY ----
Library	---- SELECT STAR LIBRARY ----
Vertex option	---- SELECT VERTEX OPTION ----
Pileup option	No
Detector Set	nbsp;

Data Sources

Real Data

File lookup	 

Single Particle MC

Particle	Alpha
Particle settings	dalitz
Particles per event	1
Vertex Z, cm	-30 < Vertex < 30
Gaussian sigma in X,Y,Z (cm), if applicable	0, 0, 0
Vertex offset: x, mm	0
Vertex offset: y, mm	0
Φ (phi), radian	0 < Φ < 6.29
η (eta)	-0.5 < η < 0.5
Pt, GeV	0 < Pt < 30

 

Commissioning the EPD for run 23 was the job that never ended.  In this post, I will attempt to summarize the actions taken from the end of run 22 through the commissioning with beam of the EPD i