physics

EEMC geometry file (ecalgeo)

Estimating Acceptance Uncertainty due to unknown Upsilon Polarization

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The acceptance of Upsilon decays depends on the polarization of the Upsilon.  We do not have enough statistics to measure the polarization.  It is also not clear even at higher energies i

2009.09.26 parity estimates for BES Run 10 from Au+Au9.2 GeV

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DPF 2009 proceedings (Ilya Selyuzhenkov)

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DPF 2009 proceedings

Ilya Selyuzhenkov

"Azimuthal charged particle correlations
as a probe for local strong parity violation
in heavy-ion collisions"

Code to run with STAR HF Tune

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// main00.cc
// Modified from the main01.cc
// which is a part of the PYTHIA event generator.
// Copyright (C) 2008 Torbjorn Sjostrand.

2009.09.11 Test of corrected EEMC geometry: LOW_EM cuts

Test of corrected EEMC geometry: SVT and LOW_EM cuts

Monte-Carlo setup:

2009.09.04 Test of corrected EEMC geometry: SVT, slow-simulator on/off, pre-shower migration

Test of corrected EEMC geometry: shower shapes (bug 1618)

Monte-Carlo setup:

09 Sep

September 2009 posts

2009.08.27 fixed EEMC geometry: pre-shower sorted shower shapes & eta-meson comparison

Test of corrected EEMC geometry: shower shapes (bug 1618)

Monte-Carlo setup is desribed he

2009.08.25 Test of corrected EEMC geometry: shower shapes

Test of corrected EEMC geometry (bug 1618)

Monte-Carlo setup is desribed here

Preliminary Presentation (8/27/09)

The link below has the presentation for preliminary cross section result.

2009.05.12 Variable distributions after LDA at 70% efficiency

Cut optimization with Fisher's LDA classifier

For this post LDA results with Set1 and Set2 has been used

Phana group meetings

2009 meetings

November 24, 15:30 EDT; 631-344-2261
Meeting minutes

2009.08.17 Direct photon - charge particle correlation paper GPC

proposed modification ot the title/abstract

Extracting gamma-jet cross section at forward rapidity from pp@200GeV collisions

Analysis overview

  1. Data samples, event selection, luminosity determination
  2. Isolating photon-jet events
    • Transverse shower shape analysis

08 Aug

August 2009 posts

 

2009.07.21 EEMC tower response in Monte-Carlo

Data set and cuts:

07 Jul

July 2009 posts

 

DPF 2009 presentation (Ilya Selyuzhenkov)

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DPF 2009 presentation (Ilya Selyuzhenkov)

Varying the Continuum Contribution to the Dielectron Mass Spectrum

Initial Normalization