Parity group meetings

2010 meetings

September 22, 14:00-15:30 EST: EVO meeting information

• Some New Y7 Parity Results (Dhevan Gangadharan)
• Paper draft on charge separation (Dhevan Gangadharan)
• A Simple Simulation for Local Parity Violation Study (Gang Wang)
• Parity signal from Au+Au 39 GeV collisions (Gang Wang)
• Testing chiral magnetic effect with central U+U collisions (Sergei Voloshin)
• STAR Decadal Plan document on Local Parity Violation
• AOB

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2009 meetings

September 24, 14:00-15:30 EST; 510-486-7720

• PRL paper updates: PRL:v15
  
  • Referee reports
  • Response
  • New Figure: All versions (latest Jim's and Ilya's).
• ZDC-SMD vs. TPC comparison (Gang Wang)
• DPF 2009 proceedings (Ilya Selyuzhenkov)
• AOB?

September 10, 14:00-15:30 EST; 510-486-7720

• Update on ZDC-SMD study (Gang Wang)
• FYI: Submitted parity papers
• AOB?

September 03, 14:00-15:30 EST; 510-486-7720

• Paper drafts: PRL:v12, PRC:v30
  Collaboration comments:
  • Fuqiang Wang (Sergei's reply)
• FYI: Paper proposal on Excess charge correlations ... (Quan Wang, Fuqiang Wang)
  • PWG Convenor preview
  • Paul Sorensen comments
  • PWG Convenor recommendations and discussions
• AOB?

August 13, 14:00-15:30 EST; 510-486-7720

• Paper drafts: PRL:v10, PRC:v28
• Analysis updates:
  1. Parity violation with ZDC-SMDs (Gang Wang)
     (previous post: Jul-30-2009)
  2. Magnetic Field effect on events in HI collisions (Alexei Chikanian)
     (previous link: 2009_07_30.ppt)
• FYI: CPOD proceedings (Evan Finch)
• AOB?

July 23, 14:00-15:30 EST; 631-344-2261

• PRL paper draft Version 10 (updated)
  Reply to the Institution comments
• Thoughts on future... (Jack Sandweiss, All)
• FYI: updated DPF2009 presentation (Ilya Selyuzhenkov)
• AOB?

July 16, 14:00-15:30 EST; 631-344-2261

• PRL paper draft Version 10
  Reply to the Institution comments
• PRC paper draft:
  Comments by Fuqiang Wang
  Jack's e-mail
• Azimuthal correlations as a probe for local P-violation in HIC (Ilya Selyuzhenkov)
• Analysis updates:
  1. Study of a neutralization method (Ron Longacre)
• Feedback from the STAR analysis meeting at MIT:
  list of parity talks
• AOB?

June 18, 14:00-15:30 EST; 631-344-2261

• PRC paper draft Version 27
  Reply to the Collaboration comments
• PRL paper draft Version 8
• Analysis updates:
  1. HIJING in larger acceptance range, parityv-220 (Evan Finch/Alexei Chikanian)
  2. Results from Au+Au at 200 GeV: 2007 vs 2004 data (Alexei Chikanian)
• Feedback from CPOD workshop:
  • STAR Results on Local Strong P/CP violation at RHIC (Evan Finch)
• AOB?

June 04, 14:00-15:30 EST; 631-344-2261

• PRC paper draft Version 27
• PRL paper draft Version 7
  Updated Figure 3: <cos(a-b)> correlations
• Analysis updates:
  1. Delta Q projections (Dhevan Gangadharan)
• CPOD workshop:
  • STAR Results on Local Strong P/CP violation at RHIC (Evan Finch)
    Comments bulkcorr-332 (by Peter Filip)
    Question on Quark mass dependence (by Ahmed Hamed)
• (FYI) Talks given at RHIC & AGS user meeting:
  • STAR Results on Charge Separation Measurements (Jim Thomas)
  • Monte-Carlo Studies Related to Charge Separation Measurements (Evan Finch)
• AOB?

May 28, 14:00-15:30 EST; 631-344-2261

• PRC paper draft Version 26
  Updates/Collaboration comments:
  
  • New paper title
  • Panjab University comments
  • JINR comments
• PRL (short) paper draft Version 5
• Analysis updates:
  1. Connection between 3-particle correlator and DeltaQ widths (Dhevan Gangadharan)
  2. Increasing acceptance for HIJING (Alexei Chikanian)
• Upcoming talks at RHIC&AGS user meeting and CPOD workshop:
  • CPOD talk (Evan Finch)
  • AGS talk (Jim Thomas)
• AOB?

May 21, 14:00-15:30 EST; 631-344-2261

• PRC paper draft Version 26
  Collaboration comments:
  
  • Lanny Ray (reply by Evan Finch)
  • Fuqiang Wang (reply by Ilya Selyuzhenkov)
• PRL (short) paper draft Version 3
• Analysis updates:
  1. Comparison of < cos(phi_a-phi_b) > with simulated results (Sergei Voloshin)
  2. Regions of Strongest Charge Separation (Dhevan Gangadharan)
  3. Parity violation in HIC: correlators at 62.4 and 200 GeV (Vitaly Okorokov)
• (FYI) Updates for paper proposal on
  Excess correlation of charge asymmetry (Fuqiang Wang, Quan Wang)
  • Presentation at Conveners meeting
  • Paper proposal discussions: jetcorr and bulkcorr lists
  • Relating Fuqiang to Sergei’s observable (Paul Sorensen)
    discussions at bulkcorr-315 and bulkcorr-317 list
• AOB?

May 14, 14:00-15:30 EST; 631-344-8261

• PRC paper draft Version 26
  Released for the Collaboration review.
  Five STAR institutes assigned to read the manuscript:
  • BNL (Jerome Lauret)
  • Panjab University (Madan Aggarwal)
  • Dubna (Richard Lednicky)
  • Argonne (Hal Spinka)
  • UIC (Russell Betts)
• PRL (short) paper draft Version 2
• Support document Version 19
• Analysis updates:
  1. 45 degree axis neutralization (Dhevan Gangadharan)
  2. Addition to the 2004 Au+Au & 2005 Cu+Cu analysis (Alexei Chikanian)
  3. Correlators: experiment vs theory (Vitaly Okorokov)
     Presentations: 05.08.2009, 03.20.2009, and 02.20.2009
• FYI (has been already presented for jetcorr/bulkcorr PWG):
  • Paper proposal on
    Excess correlation of charge asymmetry (Fuqiang Wang, Quan Wang)
    Discussions: jetcorr and bulkcorr
  • Clusters and up-down/left-right pv-asymmetry (Fuqiang Wang, Quan Wang)
• AOB?

April 30, 14:00-15:30 EST; 631-344-2261

• PRC paper draft Version 25
  Comments:
  1. Carl Gagliardi
  2. Spencer Klein
  3. Peter Seyboth
  4. Ilya Selyuzhenkov
• Analysis updates:
  1. Event mixing and Neutralization concerns (Dhevan Gangadharan)
• FYI:
  • Simulation status update at bulkcorr PWG on April 29 (Evan Finch)
  • Needed STAR speaker to report on P-violation results at Critical Point workshop
• AOB?

April 23, 14:00-15:30 EST; 631-344-2261

• PRC paper draft Version 24
  Comments:
  1. Dhevan Gangadharan
  2. Ilya Selyuzhenkov
• WWND2009 proceedings (Dhevan Gangadharan)
• Analysis updates:
  1. MC forced parity-odd signal and then Neutralized (Dhevan Gangadharan)
  2. HIJING with different input v2 (Alexei Chikanian)
  3. In/out-of-plane jets in HIJING (Ron Longacre)
  4. UrQMD 3-particle results (Evan Finch)
  5. HIJING, UrQMD results for Au+Au at 200 and 62GeV vs. Nch (Sergei Voloshin)
• Discussions:
  1. PHOBOS clusters
• AOB?

April 16, 14:00-15:30 EST; 631-344-2261

• PRC paper draft Version 23 (no update yet)
  
  1. New paper figure: signal vs. delta pt
  2. Naming convention: Spontaneous vs. local
  3. Order for the section on systematics study (Vitaly Okorokov)
• Analysis updates:
  1. HIJING 1/N_ch^2 scaling: Au+Au and Cu+Cu results (Evan/Sergei/Alexei)
  2. MC forced parity-odd signal and then Neutralized (Dhevan Gangadharan)
  3. HIJING with different input v2 (Alexei Chikanian)
  4. In/out-of-plane jets in HIJING (Ron Longacre)
• AOB?

April 9, 14:00-15:30 EST; 631-344-2261

• PRC paper draft Version 23
  
  1. Reorganizing the paper flow to fit with new systematic uncertainties (Sergei Voloshin)
• Support document Version 18
  
  1. Todo: include plots for the signal vs. pt_a-pt_b, eta_a+eta_b
• Analysis updates:
  1. Neutralization procedure (Dhevan Gangadharan)
  2. 3-particle correlations from HIJING: Au+Au and Cu+Cu results (Evan Finch)
  3. Parity like signal in HIJING, see also hyper-news post 181-1 (Alexei Chikanian)
• Speaker candidate for RHIC/AGS Workshop on "Parity Violation in QGP" (June 1st).
• Paper status and Critical Point and Onset of Deconfinement (CPOD) workshop (Paul Sorensen)
• FYI: QM2009 talks and posters (final versions):
  1. Plenary talk (Sergei Voloshin)
  2. Poster 1 (Evan Finch)
  3. Poster 2 (Ilya Selyuzhenkov)
• AOB?

March 19, 14:00-15:30 EST; 631-344-8261

• PRC paper draft Version 23
  Comments:
  1. Carl Gagliardi
  2. Spencer Klein
  3. Ilya Selyuzhenkov
  4. Statement on cluster contribution
• Support document Version 17
  Comments by Evan Finch
• QM2009 talks and posters:
  1. Plenary talk (abstract, Sergei Voloshin)
  2. Poster 1 (abstract, Evan Finch)
  3. Poster 2 (abstract, Ilya Selyuzhenkov)
  4. Parity highlight slides (Gang Wang)
     Comments by Ilya Selyuzhenkov
• The STAR Collaboration Meeting:
  Parity presentations at bulkcorr parallel session (Wednesday, 25 March 2009; 09:00 - 12:30)
• Analysis updates:
  1. A Study of Conical Regions, and Update on Multiplicity Fluctuations (Dhevan Gangadharan)
  2. The 3-particle correlator for HIJING (Evan Finch)
  3. v2 parent vs daughter (Alexei Chikanian)
  4. Improved results and writeup on cluster model, discussion at parity-hn:169 (Fuqiang Wang)
• AOB?

March 12, 14:00-15:30 EST; 631-344-2261

• PRC paper draft Version 22
  Comments:
  1. Ernst Sichtermann
  2. Ilya Selyuzhenkov
• PRL paper draft Version 1
  Comments from Lanny Ray
• Support document: Any updates need to be done? (latest Version 15)
• QM2009 talk and posters:
  Plenary talk (Sergei Voloshin)
  Poster 1 [in preparation], Abstract 1 (Evan Finch)
  Poster 2, Abstract 2 (Ilya Selyuzhenkov)
• Analysis updates:
  1. Multiplicity Fluctuations (Dhevan Gangadharan)
  2. Pi/K decay losses in TPC (Vasily Dzordzhadze)
  3. Analytical estimates of PV-signal from cluster model, discussion at parity-hn:147 (Fuqiang Wang)
  4. v2 at the minijet level in HIJING (Evan Finch / Alexei Chikanian)
• AOB?

March 5, 14:00-15:30 EST; 631-344-2261

• PRC paper draft Version 20 (21tmp)
  Comments:
  1. Spencer Klein
  2. Peter Seyboth
  Note: PRC/PRL links has been added to paper proposal page at drupal
• PRL paper draft Version 1
• Feedback from the GPC meeting on February 26, 2009
• Analysis updates:
  1. uRQMD for Cu+Cu 200GeV (Evan Finch)
  2. Cluster model study: ppt or pdf (Fuqiang Wang)
  3. MEVSIM simulations vs. Au+Au 200GeVd data: eta and phi distributions (Vasily Dzordzhadze)
• Other issues:
  1. Any updates need to be done for support document?
  2. FYI: Sergei will be giving a seminar at BNL on parity violation (March 26, 2009)
     Change dates for Sergei's QM2009-practice talks at the Collaboration meeting?
  3. QM talk and posters

February 26, 14:00-15:30 EST; 631-344-2261

• Paper draft Version 18
  
  1. New introduction and v16 [Yale edits] (Jack Sandweiss/Evan Finch)
  2. Comments on the paper draft:
     parity-hn posts 137 and 136 (Ilya Selyuzhenkov)
     Summary statement (Evan Finch)
     Editorial pass (Jim Thomas)
  3. Plotting results vs. "decreasing" centrality (Sergei Voloshin)
  Note: paper proposal page at drupal has been updated
• PRL draft (initial version), and PRL thoughts (Evan Finch)
• Feedback from the GPC meeting on February 19, 2009
• Analysis updates:
  1. 1/N centrality dependence: data vs. simulations (Alexei Chikanian)
  2. Simulating parity violating effects in a cluster model (Fuqiang Wang/Quan Wang)
     "Per event" summary table
     parityv-hn discussion: 181
  3. Magnetic field increase at small energies (Vitaly Okorokov)
     parityv-hn discussion: 130
     Alexei's sensitivity plot
  4. Event plane recentering (Vasily Dzordzhadze)
     X vs. Y plots, X-Y mean values, EP angle plots
• Other issues:
  1. Any updates needs to be done for support document?
  2. FYI: Sergei will be giving a seminar at BNL on parity violation (March 26, 2009)
     Change dates for Sergei's QM2009-practice talks at the Collaboration meeting?

February 19, 14:00-15:30 EST; 631-344-2261

• Paper draft Version 16
  Note: paper proposal page at drupal has been updated
• Support document Version 15
• Feedback from GPC meeting (February 12, 2009):
  GPC comments (summarized by Jack Sandweiss and Sergei Voloshin)
• Status of the PRL (short) paper draft?
• Analysis updates:
  • more MEVSIm: Results 2, Results 3, parityv-hn posts: 129, 127 (Evan Finch)
  • cos(phi1-phi2) comparison (Sergei Voloshin/Alexei Chikanian)
  • Sensitivity for Au+Au (Alexei Chikanian)
  • FTPC vs TPC results (Sergei Voloshin)
  • HIJING in 60-70% bin (b=12.3fm) (Evan Finch)
  • Event plane distribution for different centrality bins (Vasily Dzordzhadze)
• Other items:
  • FYI: QM2009 posters on parity violation study have been submitted:
    Poster 1 (Ilya Selyuzhenkov)
    Poster 2 (Evan Finch)

February 12, 14:00-15:30 EST; 631-344-2261

• QM2009 posters on parity violation (Evan Finch/Ilya Selyuzhenkov)
  Poster 1 & Poster 2
• Support document Version 14
• GPC status?
• True vs. reconstructed reaction plane in simulation? (Sergei/Ilya/Evan)
• Analysis updates:
  • Systematic uncertainties from v2{2}, v2{FTPC}, and v2{4} (Sergei Voloshin)
  • Identified charge pion results (Dhevan Gangadharan/Jim Thomas)
  • Varying input for MEVSIM simulations (Evan Finch)
  • Dhevan's vs. Sergei's comparison for "raw" 3-particle correlations (Dhevan Gangadharan)
  • dAu correlations: redone with explicit 3-particle loop (Dhevan Gangadharan)
  • Vasily's presentations from two weeks before:
    CP 012909, pt efficiency, pt study (Vasily Dzordzhadze)
• Other issues:
  • Please, copy your code into $CVSROOT/offline/paper/psn0475/ directory
    (so far have codes from Sergei, Ilya, Evan, Alexei, and Dhevan)

February 05, 14:00-15:30 EST; 631-344-2261

• Paper draft Version 15n:
  • Parity-hn post 107 (Sergei Voloshin)
  • Fig. 10 update: UrQMD points replace PbPb with AuAu (Evan Finch)
  • Paper proposal page has been updated
• Support document Version 13tmp
  • Simulations and jet contributions, parity-hn post 104 (Evan Finch)
  • Sergei vs. Dhevan comparison plots
• GPC status?
• QM2009 poster on parity violation
• Analysis updates:
  • More centrality bins and pt dependence from uRQMD? (Evan/Ilya/Sergei)
  • Results for AuAu@200, CuCu@200, and AuAu@20GeV (Alexei Chikanian)
  • MEVSIM results (Evan Finch)
  • dAu correlations: redone with explicit 3-particle loop (Dhevan Gangadharan)
• Other issues:
  • Resonance enhancement in MEVSIM
  • Please, copy your code into $CVSROOT/offline/paper/psn0475/ directory
    (so far have codes from Sergei, Ilya, Evan and Alexei)

January 29, 14:00-15:30 EST; 631-344-2261

• Paper draft Version 15:
  • Update Figs. 4-8, 10: parity-hn posts 97, 100
  • Paper proposal page has been updated
• Support document:
  • Support note with new figures (Sergei Voloshin)
  • AuAu event generator results (Evan Finch)
• Charge conservation in AMPT:
  • Net charge from URQMD and AMPT (Evan Finch)
  • C.M. Ko and Z. Lin comments: see Page 9 of support note
• Analysis updates:
  • dAu correlations: redone with explicit 3-particle loop (Dhevan Gangadharan)
  • Presentations: CP 012909, pt efficiency, pt study (Vasily Dzordzhadze)
  • pt spectra from MEVSIM vs. data (Vasily Dzordzhadze)
• WWND talk (Dhevan Gangadharan)
  Comments:
  • Helen Caines
  • Evan Finch
  • Ilya Selyuzhenkov
  • Sergei Voloshin
• Other issues:
  • Text for resonance enhancement in MEVSIM?
  • Posting your code in cvs

January 22, 14:00-15:30 EST; 631-344-2261

• Paper draft Version 14:
  • Draft has been sent for GPC review
  • Updated Fig. 10 (AMPT results from Ilya and Evan has been combined)
  • Comments from bulccorr group (included in Version 14):
    • Paul Sorensen
    • Mike Lisa
  • Paper proposal page has been updated
• Supporting documents page at drupal has been created. Please comment
• Analysis updates:
  • dAu correlations: redone with explicit 3-particle loop (Dhevan Gangadharan)
  • pt cut study for Au+Au 200 GeV data (Alexei Chikanian)
• WWND talk (Dhevan Gangadharan)
  • Comments from Evan Finch
• More UrQMD events at b=0, 2, 4, 6, 8, and 10 (Paul Sorensen)

January 15, 14:00-15:30 EST; 631-344-2261

• Paper draft Version 12
  Expanded summary section (Sergei Voloshin)
Updated paper proposal web page at drupal

• GPC request:
  • bulccorr-hn thread
  • Sergei's note
• Paper's title - "Probe vs. Evidence":
  • Sergei Voloshin
  • Jack Sandweiss
  • Jim Thomas
  • Subhasis Chattopadhyay
• Paper comments:
  • Dhevan Gangadharan (theoretical question : correlator vs. sum_pt)
  • Richard Majka (comments for v09)
  • Vasily Dzordzhadze (comments for v10)
  • Jim Thomas (comments for v10)
• Paper figure updates and figure style:
  • Figure 4 (Ilya Selyuzhenkov)
  • Figure 10: AMPT results (Evan/Ilya)

January 08, 14:00-15:30 EST; 631-344-6363

• Paper draft Version 8 and Version 9 (original Sergei's post to parity-hn)
  Comments:
  • Bedanga Mohanty
  • Dhevan Gangadharan
  • Jack Sandweiss
  • Alexei Chikanian
  • Vasily Dzordzhadze: 1st and 2nd set of comments
  • Evan Finch
  Updated paper proposal web page at drupal
• Average AMPT correlations vs. Au+Au@200GeV data comparison (Ilya Selyuzhenkov)
• Updated "simulation" figure (Ilya Selyuzhenkov/Sergei Voloshin/Evan Finch):
  Needs to combine Evan/Ilya's AMPT results
• AMPT K0short results (Evan Finch)

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2008 meetings

December 22, 15:00pm; EVO STAR/parity room

• Feedback from BNL meeting with Steve Vigdor:
  Sergei's slides
  slides from Jack/Evan?
  Followup: Asymmetry directly proportional to magnetic field?
• paper draft update:
  version 07 (Sergei Voloshin)
  parity-hn discussion
• Paper proposal web page:
  Parity paper proposal at drupal
  PA's list: is it complete?
• Correlator in dAu collisions: ppt, gif and parity-hn (Dhevan Gangadharan)
• AMPT results: Centrality dependence (Ilya Selyuzhenkov)

December 15, 15:30pm EVO STAR/parity room

• Slides for Wendsday meeting with Steve Vigdor
• Status of the paper draft (Sergei Voloshin)
• Correlator in different eta ranges: ppt and parity-hn thread (Dhevan Gangadharan)
• Reconstructed particle correlations (Dhevan Gangadharan)
• AMPT results (Evan Finch):
  parity-hn, and v2 with/without quenching
  Au+Au simulations paper plot
• Mevsim simulations with enhanced and standard resonances (Vasily Dzordzhadze)
• AMPT results: correlations vs. eta and pt (Ilya Selyuzhenkov)
• cos(phi1-phi2) vs. pt sum from AuAu200 data (Sergei Voloshin)

December 08, 11:00am EVO STAR/parity room

• Feedback from bulkcorr PWG phone meeting (Sergei Voloshin)
• updated QM2009 abstract: pdf and bulcorr-hn thread (Sergei Voloshin)

December 01, 11:00am phone 631-344-2261

• Submission of two papers: PRL and PRC (Bedanga Mohanty)
• Quark Matter 2009 (Sergei Voloshin):
  Abstract on "Probe for the spontaneous strong parity violation in HIC at RHIC"
  Discussion at bulkcorr PWG list
• Speaker at WWND (All)
• First results from the jet studies: ppt and hyper-news post (Evan Finch)
• More realistic simulations (Alexei Chikanian)
• Pythia studies (Sergei Voloshin)

November 21, 12:00pm phone 631-344-8261

• Paper outline update (Jack Sandweiss)
• Paper draft:
  version 03 and version 02 (Sergei Voloshin)
  Draft of the section on "Simulation results" (Evan Finch)
• PYTHIA at higher pT (Evan Finch)
• Effect of recentering (Sergei Voloshin)
• Systematic checks with ZDC-SMD (Gang Wang)
• Cumulant correction and other matters (Jim Thomas)
  [includes: run sequence corrections; Ron's counting technique]
• WWND talk candidates (All)

November 05, 1:30pm phone 631-344-2261

• list of plots and questions for the paper (Jack Sandweiss)
• Parity_smop.eps and Parity_ppnn.eps (Gang Wang)
• pt dependent recentering (Sergei Voloshin)
• Parity presentation at bulkcorr phone meeting (Sergei Voloshin)
• Outline Of Parity Paper (Jack Sandweiss)

October 20, 3:30pm phone 631 344 2261

• 3:30 Update from Dima
• 3:50 A Recap of Recent Work with Cumulants and PID (Jim Thomas)
• 4:10 Reconstructed particle correlations (Dhevan Gangadharan)
• 4:30 Three particle correlation analysis(take 3) (Alexei Chikanian)
• 4:50 Sergei (did not specify but most likely has some valuable comments)
• 5:10 Some Mevsim Simulation Results (Vasily Dzordzhadze)
• 5:30 Discussion on paper, etc.

September 24, 4:00pm phone 631 344 6261

• Three particle correlation analysis (take 2) (Alexei Chikanian)
• An Independent Look at Parity Violation in the Strong Interaction via v12 * v2 (Jim Thomas)
• P-violation Observable in Mixed Events & Identified Particles (Dhevan Gangadharan)

September 16, 10:00am phone 631 344 2261

• Pythia/Hijing correlation studies (Evan Finch)
• Three particle correlation analysis (take 1) (Alexei Chikanian)
• Supprting document v.09 (Sergei Voloshin)
• Three Particle Correlation Study using Run 4 data (AuAu 200 GeV) (Vasily Dzordzhadze, Jim Thomas)

July 1, 10:30AM phone 877 322 9648, the participant code is 298859.

• Agenda at Yale page

May 30, 1:30-3:00pm phone 631 344 6261

• Three Parity Bubble Models (Ron Longacre)
• Deltas and rhos, Lambda-lambdabar pairs (Evan Finch)
• MEVSIM Simulation of Three Particle Correlations (Vasily Dzordzhadze)

March 29, 11:00AM-5:00pm phone 631 344 6261 BNL meeting, Room 1-188

• 11:00 Jack Sandweiss
• 12:00 Lunch
• 1:00 Sergei Voloshin
• 2:00 aa and radial flow + charge conservation (Paul Sorensen)
• 2:00 Vasily Dzhordzhadze
• 3:00 discussion

January 17, 4:00pm phone 631 344 6363

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2007 meetings (list incomplete)

December 25, 2:00pm phone 631 344 8383