STAR Protected

Checking the isolation cut vs pythia events

Abstract:  We evaluate the rejection power vs efficiency of an isolation cut using a 1-tower cluster using pythia Monte Carlo.  The energy of the 1-tower cluster is corrected for l

Future Plans for ZDC as a Local Polarimeter

Future Plans for ZDC as a Local Polarimeter

2008.07.22 Photons from eta-meson: library QA

Ilya Selyuzhenkov July 22, 2008

2008.07.16 Gamma-gamma invariant mass cut study

Ilya Selyuzhenkov July 16, 2008

Three data sets:

Welcome and review of Agenda

Speaker : Bill Christie ( BNL )


Talk time : 09:00, Duration : 00:10

Star Integration meeting

2008-07-23 00:00
Etc/GMT-5
Wednesday, 23 July 2008
Star exp conference room at 1006, at 04:00 (GMT), duration : 00:00
Meeting to discuss progress in defined envelope of future STAR upgrades
TimeTalkPresenter
09:00Welcome and review of Agenda ( 00:10 ) 0 filesBill Christie (BNL)
09:10Radiation measurements from run9 ( 00:10 ) 1 fileHoward Matis
09:20General req. on space & Dead Material including schedule FGT ( 00:20 ) 0 filesJan Balewski
09:40Mech. design of support struct. & Triple GEM detectors FGT ( 00:20 ) 0 filesJim Kelsey (MIT)
10:00FGT West Support Cone E-field calculations ( 00:20 ) 2 filesDick Majka
10:20Cone Mechanical/Integration ( 00:20 ) 1 fileEric Andersen
10:40East end Real Estate for HFT installation ( 00:20 ) 1 fileHoward Wieman (LBNL)
11:00Strawman for Integration plans/Schedules ( 00:20 ) 0 filesBernd Surrow (MIT)
14:00Further discussion of Strawman Int. plans/Schedules ( 00:20 ) 0 filesall
14:20Discussion Item 1: Assembly/maintanance space needs of ( 00:30 ) 0 filesall
14:50 Disc. item 2: Commissioning & Testing needs of Sub systems ( 00:30 ) 0 filesall
14:50 Disc. item 2: Commissioning & Testing needs of Sub systems ( 00:30 ) 0 filesall
15:20Disc. item 3: Makeup/schedule for Standing Technical Committee ( 00:30 ) 0 filesall

Improving the Isolation Cut

Abstract:  Our goal is to improve the isolation cut by
  1. Reducing the size of the tower cluster
  2. Correcting for energy leakage into neighboring towers
which will (1) decrease the likelyhood that the 2nd photon from a meson decay contributes energy to the gamma candidate, and (2) reduces the amount of energy which the gamma candidate contributes to the isolation energy sum.
 

1.0 Illustration of the Problem

 

update on Y4@200GeV/c Pion - Proton spherical harmonics - cut comparison

Speaker : Marcin Zawisza ( WUT )


Talk time : 00:00, Duration : 00:20

http://www.star.bnl.gov/protected/hbt/zawisza/080707/index.html

Nominated Speakers 6/07 thru 6/08

Run 7 QA

I have analyzed the new test production for run 7 Au+Au @ 200GeV P08ic and compared to the old problematic production P08ib(already deleted by now).I also compared the new production P08ic to the o

Global polarization of Anti-Lambda hyperon

Figures for the Anti-Lambda hyperon global polarization

Anti-Lambda Global polarization

Acceptance corrections

Acceptance corrections in global polarization measurement

Figures for the A_0 function

A_0 vs eta

Referee reports

  1. First referee report and

Collaboration comments

Collaboration comments on "Global polarization measurement in Au+Au collisions"

Comments by Bedanga Mohanty

  1. Acceptance effect - results presented without

GPC comments

God Parent Committee for the paper on "Global polarization measurement in Au+Au collisions"

GPC members:

junior's talk

 .

Optimization of cluter size for gamma ID in the endcap

Abstract:  We compare four different cluster sizes (3x3, 2x2, 2x1 and Ahmed's high-tower/2x1 scheme) in the endcap.  Monte Carlo simulation indicates that Ahmed's scheme provides the be

Local Polarimetry using the ZDC SMD

 Analysis of ZDC SMD data shows that it may be used as a local polarimeter is presented in the attached report.

2008.07.07 Pre-shower1 < 5MeV cut study

Ilya Selyuzhenkov July 07, 2008

Data sets:

07 Jul

July 2008 posts