VRVS Meetings
Frequency: every Wednesday
Time: 08:00 Pacific time (11:00 Eastern; 17:00 Europe)
Location: Astro rooms on VRVS  . (no video needed).
Notes: Test and adjust your microphone gain, and avoid an open mike, which may cause echoes. See the 'Rat' help and please follow VRVS Etiquette
Old agendas can be found here. Meetings used to be on Tuesdyas 9AM PST before 27 sept 2006
Workshops and Meetings
NRL Face-to-Face - november 13, 2007
SLAC Face-to-Face - july 30, 2007
Stanford Face-to-Face - Feb 9, 2007
Workshop 4 - Nov 14-15, 2006
Workshop 3 - June 28-30, 2006
Workshop 2 - May 15-17, 2006
Workshop 1 - March 20-21, 2006
BT Contributions
Conferences
Collaboration Meetings
LAT Newsletter |
Meeting 78: December 10, 2008, EVO
- CU CAL vs LAT CAL calibrations - Sasha
- CAL energy scaling factors - Philippe
- Beam Test paper
 progress
Meeting 77: December 4, 2008, EVO
Meeting 76: November 26, 2008, EVO
Meeting 75: May 28, 2008, EVO
- News
- Simulation status and plans
- Data reprocessing status and results
- Data/MC comparison : with and without LPM pdf (Philippe)
- Plans for the Beam Test Analysis Memo
Meeting 74: May 7, 2008, EVO
- News
- Data reprocessing with temperature correction for pedestal
- status - Franz
- results (see Philippe's email)
- CTBBestEnergy double peak and CalLkHdEnergy issue
- see Philippe's email
- Yvonne's update - postponed to next week
- Simulation with updated LAC threshold - Johan - pdf
- BtSysTest run 2039 (Data) vs (MC Std) vs (MC LPM Off+1.2MeV LACs) : pdf
- Beam Test Analysis Memo - discussion
- Meeting notes
Meeting 73: April 30, 2008, EVO
- News
- switching off LPM in GR (see talk at last C&A - Johan
- temperature correction status - Sasha pdf
- Data reprocessing with EM hypothesis - TKR cross-checks - Carmelo - pdf
- Meeting Notes
Meeting 72: April 23, 2008, EVO
- News
- LAC threshold monitoring - Johan - pdf
- Summary of findings on implementation of LPM effect in G4 and effect on TKR hits - Johan - pdf
- temperature correction status: Sasha pdf, Aous Abdo pdf
Meeting 71: April 16, 2008, EVO
- News
- Temperature for muon calib runs (276-285) not available yet, must wait to retrieve housekeeping data for that period - see this JIRA
- CAL material audit results never implemented in xmlGeoDBs - Joanne will start working asap on those
- New Low-Energy simulations - Carmelo, Johan (pdf, reports: zip)
- Meeting minutes
Meeting 70: April 9, 2008, EVO
- News
- Feedback on last week simulation - Carmelo (pdf)
- Update on CalLkHdEnergy issue - Yvonne(ppt)(pdf)
- temperature variation of CsI light yield - Sasha pdf
- Prospects for the BT paper - discussion
- Meeting minutes
Meeting 70: April 2, 2008, EVO
- News
- training for reading CU with LICOS in progress at SLAC
- new simulations - see data catalog (Johan)
- hadron runs with reduced TKR noise
- electron runs around cracks
- run 1906 - require beam spot tuning - DONE.
- run 276 reprocessed with improved muon-gain CAL calibrations available for TEST at /nfs/slac/g/glast/users/glground/bregeon/jobOptions/BT-0276-v8r130101p1-DATA/output/ ; runs 276-285 will be all reprocessed after green light on 276
- ppt Data-MC comparisons for CTBBestEnergy - Yvonne
- pedestal temperature drift correction - Sasha pdf
- Prospects for the BT paper - discussion
Meeting 69: February 27, 2008, EVO
- News
- LAT newsletter [march contribution ]
- Collaboration meeting plans
- opportunity for a BT splinter at collaboration meeting focused on writing the analysis note
- contributions to the systematics splinter session
- Update on longitudinal position measurement and discussion on required actions
- Presentation at yesterday cal meeting pdf - Philippe
- Left Vs Right Edge Cal Energy Raw pdf - Nicola
- Corrected plots for all runs at 0, 10, 20, 30, 45 and 60 deg pdf
Meeting 68: February 20, 2008, EVO
- News
- Comparing BT caltransrms for protons and MC - Berrie - pdf
- Shower transverse size for electrons pdf1-pdf2 Philippe
- CAL calibration discussions, see plans from CAL calibration team
Meeting 67: January 23, 2008, EVO
- News
- contact with G4 developers - positive feedback, visit (Francesco, Johan, Philippe) scheduled jan 30
- Disk space needs at SLAC: we propose to delete old data reprocess (e.g. v4)
- BTR Status : new v8r130101p0 - uses ROOT v5.16.00-gl1
- new mc runs : p 6GeV 1423, FB 1223 1262 1445
- CAL study (transverse profile, LAC thresholds, energy per range) - Johan - pdf
- Effects from changing CAL calibration factors - Johan - pdf
- e-p selection update (ppt,pdf)- Luca
Meeting 67: January 16, 2008, EVO
- News
- contact with G4 developers - positive feedback, tentative visit (Francesco, Johan, Philippe) scheduled jan 29
- Simulation status - Johan - pdf
- Preparation to CA-SO workshop
- [agenda]
- connections from remote
Meeting 66: December 19, 2007, EVO
- News
- H4 line simulation - (ppt, pdf) Franz/Johan
- Electron-hadron separation: data-beam test comparison (pdf) - Luca B.
- Electron-hadron separation using IM (ppt,pdf) - Luca L.
Meeting 65: December 12, 2007, EVO
- News
- H4 line simulation - Franz, Benoit
- Wrong longitudinal position measurement in CAL, a possible explanation - Sasha (pdf )
- Tkr cuts in FB Data v2r71215p0 BT release- Nicola (pdf)
- Comparison Geant4 - EGS5 - David Paneque
- Comparison of shower profiles in a "realistic" calorimeter (pdf)
- Evaluation of effect of gaps between xtals in the shower profiles (pdf)
- First comparison on the amount of "backsplash" predicted by those codes (pdf)
Meeting 64: December 5, 2007, EVO
Meeting 63: November 28, 2007, EVO
- News
- Update on Tkr analysis (pdf- Carmelo
- Simulation status
- New collimator simulation - Johan -pdf
- Random trigger full brem runs (pdf)- Luca
- Electron/proton identification with a maximum likelihood approach (pdf) - Francesco Loparco
- Comparison of Electromagnetic shower profiles between GEANT4 and EGS5 (David Paneque)
- Shower profiles comparison for several energies (pdf)
- Uncertainty in determination of mean/rms of shower profiles when using runs of 100 events (pdf)
- Effect of production cuts in the shower profile (pdf)
- Tkr1YDir Vs Tkr1Y0 (pdf) - Nicola
- Comparison of beam profile for run 2082 (electrons, 20 GeV) between data and MC (pdf) David Paneque
- Meeting minutes
Meeting 62: November 21, 2007, EVO
- Work plan discussed at collaboration meeting - Luca
- Issues with Geant4 EM shower development for Babar ECAL
- talk1 - beware of color coding, opposite to our convention; basically narrower shower, no improvement with more material
- talk2 - comparison of different g4 versions, v8 (same as GLAST) and v7 give better agreement with shower shape wrt v6, but no complete agreement; energy deposit 5% higher as well? (slide 10)
- Problem with electron runs at 1 and 2.5 geV at PS ? pdf Philippe
- Shower development in the tracker from 1 to 20 GeV pdf Philippe
- Bill's plots on 2082 run
- XY scan analysis - Nicola
Meeting 61: November 7, 2007, EVO
- News
- official GLAST launch data end of may
- Pressure scan analysis (or can we determine how much extra x0 solves our discrepancies?) pdf Philippe
- Discussion on modifying CAL variables for a data-like simulation
- see current test by Luca B et al presented at monday CA
- Collaboration Meeting Draft talk - Johan - See confluence page
- Data-v7r1117p1 Vs MC-v7r1117p1 Comparison - Nicola
- PSF gamma - pdf
- PSF electron - pdf
- TKR Hits summary -pdf
- Meeting minutes
Meeting 60: October 31, 2007, EVO
- News
- Simulation status - pdf - Johan
- Reprocessing status - Francesco
- Tagged photons PSF (pdf )- Carmelo
Meeting 59: October 24, 2007, EVO
Meeting 58: October 17, 2007, EVO
- News
- Simulation status - Johan
- List of good runs
- basic agreement matrix (pdf ) Warning : wrong Cerenkov pressure for 20-50-100GeV
- Data-v6r0922p4 Vs MC-v7r1117p1 Comparison - Nicola
- PSF gamma - pdf
- PSF electron - pdf
- TKR Hits summary -pdf
- TKR Hit distribution details - pdf
- TKR Hit layer profile details - pdf
- Plans forward and contributions to NRL collaboration meeting
Meeting 57: September 26, 2007, EVO
- News
- contributions for ICATPP conference here from friday - please provide comments by monday 1 oct
- CAL Material Audit (pdf , ppt - Sasha
- Simulation status and BtMatrix - Johan - pdf
- PSF Update - Nicola (pdf)
Meeting 56: September 19, 2007, EVO
- News
- LE simulation update - Francesco
- Report 2082 with LowEnergy bug fixed pdf
- Pipeline simulation status - See GoodRuns
- PSF update - Nicola
Meeting 55: September 12, 2007, EVO
Meeting 54: September 5, 2007, EVO
- News
- BTrelease status - Michael
- Updated list of BT deliverables presented at GLAST-IFC
- CAL Calibration issues (pdf) - Elliott
- Verifying timing in GSI data (pdf) - Eduardo/Martin
- LE simulations update
- Meeting notes
Meeting 53: August 29, 2007, EVO
- News
- BTRelease status
- HEAD1.135 became tag v7r1117p0; probably not a final release but just a reference tag
- Comparison of geometry model with measurements (pdf) - Leon
- New LowEnergy simulations (pdf) - Carmelo
- Same variable of slide 10 (top left plot), but with LowEnergy divided by two (eps)
- Meeting notes
Meeting 52: August 22, 2007, EVO
- News
- Geant4 EGS5 comparison - (pdf) David
- BTRelease status - pdf - Johan/Michael/Franz
- TKR range cutoff test - pdf - Johan
- New Geometry for silicon/bias glue layer (pdf)- Leon
- Some considerations for implementing a "real" geometry (pdf) - Leon
- Meeting notes
Meeting 51: August 8, 2007, EVO
Meeting 50: July 25, 2007, EVO
- News
- Energy reconstruction - Tomi (pdf)
- Importance of beam incoming direction when computing the PSF - David (pdf)
- Short update on the Geant 4 MC simulations crosschecks with EGS5 - David
- TkrDigi on new MC production - Monica B. (pdf)
Meeting 49: July 18, 2007, EVO
- News
- e-copy of paper logbook, also available on main BT page under Data Taking info
- Tomi poster for SSI - provide feedback by end of this week
- CAL Energy Raw stability and connection with TKR alignment - summary
- Summary plots page - all
- TKR hits and clusters studies with hadrons - Nicola (pdf)
- Angular resolution with electrons - Nicola (pdf)
- PSF at LE, tagged and full brem comparison gif - Luca
- pion scan (Berrie pdf)
Meeting 48: July 4, 2007, EVO
- News
- CAL Energy checks - Philippe
- Most Probable Energy - Nicola (pdf)
- Comparison Mars15-Geant4 - David (pdf)
- Summary plots page - all
- Meeting notes
Meeting 47: June 27, 2007, EVO
- News
- Backsplash angular distribution in the ACD - Tyrel(pdf)
- PSF update (pdf )- Taka
- Preliminary results from Mars15 simulation - David (pdf)
- BTRelease version comparison (v1r030604p6 Vs. v1r030603p9) - Nicola
- PSF Update (pdf)
- Tkr hits in electrons and gamma update (pdf)
Meeting 47: June 13, 2007
- News
- CAL energy measurement from last MC production - Philippe
- Energy Profile and Tkr1CoreHC - Johan (pdf)
- Discussion on data-sets to generate to evaluate systematics induced by discrepancies
- Meeting Notes
Meeting 46: June 6, 2007
- News
- LAT Newsletter issue 4
- Status report presented at C&A june 4
- Two BT talks will be submitted at the Como conference by Bari team - check them out on our conferences page
- PSF studies (pdf )- Taka
- TkrHits and CalEnergy - Johan pdf
- Crystals segmentation 1 GeV 10 GeV 100 GeV (Philippe)
- Discussion on MC production
- Low energy tagged photons PSF (pdf ) - Luca
- Meeting notes
Meeting 45: May 23, 2007
- News
- Update on hadronic models - Johan - pdf
- Discussion on desired MC production
- BTR Pipeline Status and proposal procedure - Johan - pdf
- Meeting notes
Meeting 44: May 16, 2007
- News
- Problems tunning beam profile for beams with large incoming angle in the CU (pdf) - David Paneque
- Calorimeter data/MC comparisons with reprocessed data pdf (Philippe)
Meeting 43: May 9, 2007
- News
- G4 Standalone simulation: some TKR results - Carmelo (pdf)
- TKR Hit deficit evaluation after data reprocess - Nicola (pdf)
- More on Data-MC comparisons: Beam profiles and TkrTotalHits in new MC - David Paneque (pdf)
- Update on Bari TKR-digit - Monica (pdf)
- Quick look at reprocessed run 700002024 (0deg, 100GeV)
- data/MC energy ratio in each layer is unchanged : from 1.2 to 1.0
- CalTransRMS : data (mean=19.9, rms=1), MC (mean=18.3, rms=1.15)
- Meeting notes
Status report : 25 april, 2007
Meeting 42: April 18, 2007
- News
- CU Shipment to SLAC reviewed and accepted yesterday
- Reprocess status and needs
- Time to synchronize BeamtestRelease to GlastRelease?
- Status of TKR digi implementations
- Status on Hadronic Cascades - Johan - pdf
- Meeting notes
Meeting 41: April 11, 2007
- News
- Symposium paper - final version ready for submission
- G4 standalone simulation, or What is Penelope ? - Johan - pdf
- Cal position (after bug fix) pdf (Philippe)
- Reprocess status and needs
- Status of TKR digi implementations pdf (Monica B. and Nicola)
- Meeting notes
Meeting 40: April 4, 2007
- Symposium paper draft - please review before friday
- Discussion of BT milestones pdf - what should we deliver to the collaboration and when
- LAT tower standalone simulation in G4 - Johan pdf
- xtalk correction and position measurement with the cal pdf (Philippe)
- Update on Bari Tkr Digi - pdf (Monica B. - Nicola)
Meeting 39: March 21, 2007
- News
- Dry run for collaboration meeting reports
- Symposium paper draft
- Again on TKR cross-talk measurement (pdf) (Carmelo)
- Tagged gammas at PS pdf (Philippe)
- Update on Bari Tkr Digi, pdf (Monica Brigida)
- Bari Tkr Digi Level 1, pdf (Nicola)
- 90deg PS protons (Berrie pdf)
- ... 1 year ago workshop I in Pisa and celebrating Leon
Meeting 38: March 14, 2007
- Status of adjacent crystal cross-talk in CalXtalResponse (Zach)
- Analysis of 90deg electron runs (cont.) pdf (Philippe)
- ACD Backsplash update, Luis pdf
- Update on Bari Tkr Digi, Monica
- Study of the Beam divergence in MC runs (pdf), D.Paneque
- Update on
- Quick look at PS pions (Berrie pdf)
Meeting 37: March 7, 2007
- Announcements/News
- CAL cross-talk analysis pdf (Johan)
- TKR cross-talk measurement (pdf) (Luca Baldini)
- TKR Material Review pdf (Sandro)(spreadsheet for X0 calcuation)
- Update on simulation (Francesco)
- Getting better data/MC agreement for beam profiles, pdf (David)
- Analysis of 90deg electron runs pdf (Philippe)
- Review of the Bari TKRDigi pdf (Monica Brigida)
- Symposium proceedings update
Meeting 36: February 28, 2007
- News
- CAL xtalk corrections (Sasha pdf)(Johan)
- New CAL intercalibration analysis pdf (Philippe)
- Modifications to TKR simulation (Leon (pdf, ppt), and Xtalk studies pdf Nicola)
- Preliminary study of CT variables (Carmelopdf)
Meeting 35: February 21, 2007
- Announcements-news pdf (Luca)
- CAL status after latest calibration update pdf (Philippe)
- CAL x-talk correction from ci measurements pdf(Sasha)
- Geant4 versions test (in particular on MS and shower development) pdf(Francesco)
- Detailed comparison pdf - Nicola-Claudia Monte-Monica Brigida
- Update of Data-MC comparison with native mcs for 6 GeV/c Protons pdf
- beamtest06 Geometry Review pdf (Elena & Francesco)
- TKR strip threshold effect in digitization (pdf ppt) (Leon)
- About the TKR masked strips pdf - Nicola - Monica Brigida
- Update on PSF pdf - Nicola-Monica Brigida
- Comparison of beam profiles from data and mc (pdf) David P.
- Again Data-MC beam profile comparison pdf - Nicola
- SPS pion data/mc/cosmics comparison (Berrie pdf)
Meeting 34 : January 31, 2007
- Discussion of symposium contributions - all
- Measuring the PSF and the energy resolution with the CU pdf (Philippe)
- Particle beam test for the GLAST-LAT calibration pdf (Nicola)
- Background Poser pdf (Johan, Carmelo, Alex, Francesco)
- GSI poster draft
- Agenda for SLAC meeting february 9
- Update on PSF - pdf Nicola-Monica B., Full Brems TW3 0deg MC/Data classes absolute fractionpdf and relative fractions Classes + hit distribution pdf
- Update on PSF - pdf Stefano
Meeting 33 : January 24, 2007
- Status MC and BTRelease - Francesco
- Update on PSF - Stefano pdf
- Update on PSF - pdf Nicola-Monica B., TW3 MC/Data Comparison VtxZ pdf and Vs. Energy bins pdf
- Update on PSF - Luca,GLoria pdf
- New CAL calibration with non-linearity correction - Sasha pdf ppt
- again layer energy and GemDeltaEventTime html (Philippe from last VRVS)
- Status of symposium contributions - all
- Some stange events in MC BT-1356 ppt pdf
Meeting 32 : January 17, 2007
- Discussion on analysis status and prospects - all
- CAL calibrations and non-linearity pdf (Sasha)
- TKR digitization algorithm
- Comments on Berrie's questions from last week (Leon)
- Preparation of symposium contributions - all
- PSF studies pdf, Luca-Gloria
- Angular dispersion in the Tower 2 pdf, Nicola-Monica B.
- Positron Annihilation in MMS pdf (Emanuele)
Meeting 31 : January 10, 2007
- Fullbrems direction & position at PS pdf (Tomi)
- Status report from pipeline operations: MC and data reprocess (Francesco)
- Bari analysis update: Summary pdf
- EM shower study: Update for the SPS runs pdf (Nicola)
- Data-MC discrepancies evaluation in SPS electron runs pdf (Claudia)
- Hit Multiplicity in the PS gamma runs pdf (Monica)
- EM Shower development simulation with Geant3 pdf and real data pdf (Nicola)
- again layer energy and GemDeltaEventTime html (Philippe)
- TKR energy mc/data pdf (Berrie)
- calorimeter non-linearity pdf (Sasha)
- Discussion on assignments for GLAST Symposium posters
Meeting 30 : December 20, 2006
Meeting 29 : December 13, 2006
- Cluster widths pdf ppt (Leon)
- Status of simulation pdf(Francesco), Mass simulation strategy pdf , Priority list of runs xls, csv
- Multiple Strips with Protons and Muons (pdf) Gary
- Abstracts for the GLAST Symposium
- Proposal for future meetings (pdf, Luca)
Meeting 28 : December 6, 2006
- Preliminary analysis in the GSI run pdf (Monica) - Carmelo's plot of cluster size from p run (ppt)
- EM shower development in the CU pdf (Nicola)
- TKR Hits update (Johan) pdf
- Longitudinal shower profile study pdf (Philippe)
- Status of mass simulation (Francesco)
- Fullbrems direction & position at PS pdf (Tomi)
Meeting 27 : November 22, 2006
- Layer energy and GemDeltaEventTime html (Philippe)
- Muon calibration and muon spectrum pdf (Philippe)
- Standalone Geant4 simulation and extra X0 pdf (Philippe)
- GSI report pdf (Luca)
- CAL results from GSI pdf(Benoit)
- First look at cluster width in TKR pdf (Leon)
Meeting 26 : November 8, 2006
- Agenda for BT Workshop 4 - Ecole Polytechnique - 14/15 November 2006 (please send to Luca and Philippe the title of your presentation !)
- Tuesday (devoted to the actual data/MC discrepancies)
- tracker related issues (morning)
- calorimeter related issues (afternoon)
- Wednesday
- GSI preparation
- other analyses
- what to do next ?
Meeting 25 : Nov 2, 2006, 9AM PST, Vela
Meeting 24 : Oct 25, 2006
- Announcements
- TKR Hits at different angles pdf (Francesco Loparco)
- More on muon width pdf (Leon)
- Another check on ToTs pdf (Leon)
- Muons and Tkr hits : pdf (Johan)
- Calorimeter calibration pdf (Philippe)
- Cal calibration effects (Berrie pdf)
Meeting 23 : Oct 18, 2006
- Announcements (GSI preparation pdf)
- Tkr variables in PS runs (johan) pdf
- TKR Hits in electron PS and SPS runs (Caudia Monte) pdf
- First study of hadronic models from PS p runs (johan) pdf
- MC updates (Francesco)
- Direction reconstruction from CAL pdf(Riccardo)
- A quick look at afterglow pdf (Benoit)
Meeting 22 : Oct 11, 2006
- Announcements
- TKR Hit Multiplicity for high energy electrons pdf,ppt (Leon)
- TKR Hits - Update (Monica Brigida ppt )
- Data/MC detailed crystals comparison pdf (Philippe)
- CAL Pedestal drift study pdf (Sasha)
- positron annihilation pdf (Gary)
Meeting 21 : Oct 4, 2006
- Announcements (Luca/Philippe)
- TKR FIFO Full analysis (Johan FIFO Analysis)
- TKR Hits and ToT (Monica B. ppt)
- TKR Hit Multiplicity for high energy electrons pdf,ppt (Leon)
- ACD Calibrations pdf,ppt (Alex)
- Beam Study - SPS Table position (Luca B)
- Pion study (Berrie pdf)
Meeting 20 : Sep 27, 2006
- Announcements ppt, pdf (Luca/Philippe)
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