physics

W 2009 analysis

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2010.01.13 W test sample QA: Pass 2

http://drupal.star.bnl.gov/STAR/node/16704

QA of the test W-sample from Lidia/Jason.
generated MuDst are from /star/simu/jwebb/01-11-2010-w-test-production/

2010.01.12 W test sample QA

All plost from second (with vertex distribution) test W-sample from Lidia/Jason.
generated files are from /star/rcf/test/Wprod_test2/

Calorimeter studies for the STAR W analysis

Ilya Selyuzhenkov for the STAR Collaboration

Analysis links

Year 2010

7: 2010/JAN/12 J/Psi dAu2010 embedding on disk

The old J/Psi embedding files are on disk for period january 2010:

/eliza14/star/starprod/embedding/production_dAu/Jpsi_10{3-7}_1229459741

It is about 150 GB of files

2010.01.08 EEMC response 2006 vs. 2009: phi cuts

EEMC migration plots with cuts on TPC sector boundaries

Click here for results before phi cuts

2010.01.07 EEMC response to single photons with y2006h vs y2009a geometries

Monte-Carlo setup

  • Throwing one photon per event
  • Full STAR y2006h/y2009a configurations
  • Throw particles flat in eta (1.08, 2.0), phi (0, 2pi), and en

2010.01.04 y2006 vs y2009 EEMC pre-shower migration

Monte-Carlo setup:

  • Throwing one photon per event
  • Full STAR y2006h/y2009a

01 Jan

January 2010 posts

2010

Year 2010 posts

Other changes going from v2.2 to v2.3

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Many of the changes going from version 2.2 to 2.3 were in response to

GPC comments to v2.2 of Pion HBT paper and responses

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2009.12.20 Ecalgeo-v6.2: embedded LOW_EM cuts after TPC/EEMC overlap fix

Monte-Carlo setup:

  • Throwing one photon per event
  • Full STAR y2006h (latest EEMC-v6.2 and BEMC with LOW_EM cuts, rest of geometry from CVS)
  • Throw part

Combinatorial background subtraction for e+e- signals

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It is common to use the formula 2*sqrt(N++ N--) to model the combinatorial background when studying e+e- signals, e.g.

2009.12.17 Ecalgeo-v6.2: embedded LOW_EM cuts in the calorimeter geometry

Monte-Carlo setup:

  • Throwing one photon per event
  • Full STAR y2006h (latest EEMC-v6.2 and BEMC with LOW_EM cuts, rest of geometry from CVS)

GPC comments to v2.1 of Pion HBT paper and responses

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Dave Underwood [12 December 2009]

6: 2009/15/DEC Update of heavy flavor embedding priority list

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...

2009.12.08 Low EM timing study: 10KeV vs. 100KeV cut settings

Conclusions/dicsussion at the emc2 hypernew:
http://www.star.bnl.gov/HyperNews-star/get/emc2/3374.html

2009.12.07 Low EM study: LOW_EM option, 100KeV cuts, and DCUTE=100KeV

Conclusions/dicsussion at the emc2 hypernew
http://www.star.bnl.gov/HyperNews-star/get/emc2/3369.html