ATLAS workshop on tau lepton physics 2009

15 Apr 2009, 08:00 → 17 Apr 2009, 17:00 Europe/Copenhagen

Auditorium 4 (Niels Bohr Institute)

Olga Igonkina (Nikhef), Stefania Xella (Niels Bohr Institute for Astronomy, Physics and Geophysics - Uni), Wolfgang Mader (TU Dresden), Yann Coadou (CERN)

This workshop is dedicated to the studies of physics with tau lepton at ATLAS. The main page of the workshop is located at tau09.nbi.dk The workshop can be followed via EVO connection, the name of the EVO conference is "atlas tau workshop", under ATLAS community. EVO connection is available for all the 3 days of the workshop, starting already at 8:30 (first session starts at 9:00). There is no passwd to join the meeting. Meeting Access Information for April 15: - Meeting URL http://evo.caltech.edu/evoGate/koala.jnlp?meeting=eiese9v2v9avavIlatIi - Phone Bridge ID: 928144 Meeting Access Information for April 16: - Meeting URL http://evo.caltech.edu/evoGate/koala.jnlp?meeting=e8eteDvMvDaeaeIlasI8 - Phone Bridge ID: 928155 Meeting Access Information for April 17: - Meeting URL http://evo.caltech.edu/evoGate/koala.jnlp?meeting=e9eIeivBvialalIIaaI9 - Phone Bridge ID: 928166 EVO Phone Bridge Telephone Numbers: --------------- - USA (Caltech, Pasadena, CA) +1 626 395 2112 - Switzerland (CERN, Geneva) +41 22 76 71400 - Slovakia (UPJS, Kosice) +421 55 234 2420 - Italy (INFN, several cities) http://server10.infn.it/video/index.php?page=telephone_numbers Enter '4000' to access the EVO bridge - Germany (DESY, Hamburg) +49 40 8998 1340 - USA (BNL, Upton, NY) +1 631 344 6100 - United Kingdom (University of Manchester) +44 161 306 6802 - Australia (ARCS) +61 0261128742 Canberra 0282124591 Sydney 0362370281 Hobart 0386858362 Melbourne 0731390705 Brisbane 0884631011 Adelaide 0864616718 Perth - Netherlands (Nikhef, Amsterdam) +31 20 7165293 Dial '2' at the prompt

Wednesday, 15 April

08:15 → 09:00 Workshop Registration

09:00 → 09:20 Preparing for First Physics

Speaker: Thomas Le Compte (Argonne National Laboratory)

Slides Tau_Talk.pdf Tau_Talk.ppt

09:30 → 12:45 Tau trigger

09:30 Trigger menu for 10^31

Speaker: Olga Igonkina (Nikhef)

Slides TauTrig20090415.pdf

09:45 performance of tau trigger in release 15

Speaker: Andreas Reinsch (University of Oregon)

Slides validation_slides.pdf

10:05 L2 and EF tracking performance

Speaker: Sinead Marie Farrington (University of Oxford)

Slides sinead_copenhagen_150409.pdf sinead_copenhagen_150409.ppt

10:25 Tau Trigger efficiency determination

Speaker: Prof. Eric Torrence (University of Oregon)

Slides torrence_eff.pdf

10:40 Tau trigger efficiency measurement with QCD jets

Speaker: Anna Sfyrla

Slides EfficiencyStudies_Anna.pdf

11:00 Coffee and tea break

11:15 Tau trigger performance in presence of pile up

Speaker: Pavel Jez (NBI Copenhagen)

Slides Pileup.pdf

11:35 EF calorimeter performance issues

Speaker: Soshi Tsuno (University of Tokyo)

Slides tauWS.apr.15.2009_soshi.pdf

11:55 Optimization of tau cone size

Speaker: Peter Kadlecik (Niels Bohr Institute (NBI)-Niels Bohr Inst. Astr., Phys, & Geo-U)

Slides Optimization_of_Tau_Cone.pdf Optimization_of_Tau_Cone.pptx

12:15 Tau trigger Data Quality

Speaker: Mansoora Shamim (University of Oregon-Unknown-Unknown)

Slides TauWorkshop_DQ_04_15_2009.pdf

12:30 Toolkit for MC tuning on first data

Speaker: Camille Belanger-Champagne (Dept. of Nuclear and Particle Phys.-University of Uppsala)

Slides Uppsala_CBC_Copenhagen.pdf.pdf

12:30 → 14:00 Lunch break

14:00 → 17:00 Commissioning

• Cosmics Studies
• Beam Splash Studies
• General Commissioning Talks (Tracking/Calo/Calibration/...)

14:00 Overview of commissioning in LAr/Tile/HLT

Speaker: Denis Oliveira Damazio (Brookhaven National Laboratory)

Slides CALO20090415.key CALO20090415.pdf

14:30 Overview of commissioning in ID

Speaker: Trevor Vickey (University of Wisconsin)

Slides tvickey_2009_0415_TauWorkshop_final.pdf

14:55 ID Tracking and alignment performances

Speaker: Mr Oleg Brandt (University of Oxford)

Slides 2009_04_15_TauWorkshop_IDAlignment_OlegBrandt.pdf

15:20 Tracking software status and expected performance in tau events

Speaker: Sebastian Fleischmann (U. Bonn)

Slides 090415-tau-workshop-tracking05.pdf

15:40 Coffee break

15:55 Jet/Etmiss commissioning

Speaker: Ulrike Blumenschein (Uni Goettingen)

Slides JetComm-09.04.15.pdf

16:20 Tau commissioning analysis

Speaker: Saminder Dhaliwal (Unknown)

Slides TauReconstruction_Cosmics_15.4.09.pdf

16:40 Tau Offline DQ

Speaker: Sarah Marie Demers (SLAC)

Slides TauDQ_Copenhagen.pdf

17:00 → 19:00 Time for parallel meeting and working groups

Thursday, 16 April

09:00 → 12:50 Performance and Algorithms

• General Introduction
• New implementations for Rel15 (conversions/track selection/pi0 finding/new EDM...)
• Readiness of DPDs (Trigger/Analyses/tau-Validation)

09:00 Tau Reconstruction and Event Data Model

Speaker: Dr Thomas Burgess (Department of Physics & Technology - University of Bergen)

Slides ThomasBurgess_TauWorkshopApril2009.pdf

09:20 Cut-based Tau ID and Systematic Studies

Speaker: Bjoern Gosdzik (Deutsches Elektronen Synchrotron (DESY))

Slides gosdzik.pdf

09:35 Developments on multi-variate Tau ID

Speakers: Andrzej Adam Zemla (Henryk Niewodniczanski Inst. Nucl. Physics, PAN-Unknown-Unknown), Marcin Wolter (Henryk Niewodniczanski Institute of Nuclear Physics PAN)

Slides TauDiscriminant_Copenhagen20090415_pop.pdf

09:55 Tau ID in busy environments

Speaker: Elias Coniavitis (IKP, Uppsala Universitet)

Slides TauWorkshop_cph.pdf

10:10 Tau ID systematics with Min Bias Events, and overlay status

Speaker: Trevor Vickey (University of Wisconsin)

Slides tvickey_2009_0416_TauWorkshop.pdf

10:30 Tauola Interface and MC Tester

Speaker: Nadia Davidson (University of Melbourne)

Slides tau_workshop_090416.pdf

10:45 Coffee Break

Ah, good ol' coffee

11:00 Tau Reconstruction Validation and Tau Tools

Speakers: Aldo Saavedra (Falkiner High Energy Department - School of Physics - University), Jyothsna Rani Komaragiri (Department of Physics - Simon Fraser University), Till Nattermann (Unknown)

Pileup sample update TauValidation_Update_15_2009.pdf

Slides Copenhagen_TauVal_jyothsna.pdf

11:20 Derived Physics Data for Taus

Speaker: Ulrike Blumenschein (Uni Goettingen)

Slides TauDPD-09.04.16.pdf

11:40 Tracking in Taus and MET DPD Validation

Speaker: Dr Antonio Limosani (University of Melbourne)

Slides ATLAS_TauWS_Copenhagen_v2.pdf

12:00 Conversion Track Tagging and other Track Studies in Tau Reconstruction

Speakers: Guilherme N. Hanninger (Bonn University), Michael Boehler (Deutsches Elektronen-Synchrotron (DESY)-Unknown-Unknown)

Slides ConvTrkTaggingInTaus.pdf

12:20 Pi0 Reconstruction in Tau Decays

Speaker: Michel Janus (Kirchhoff-Institut fuer Physik (KIP)-Ruprecht-Karls-Universitaet)

Slides pi0reco.pdf

12:35 Tau Reconstruction with EflowRec Objects

Speaker: Sebastian Fleischmann (U. Bonn)

Slides 090416-tauWorkshop-pantau05.pdf

12:30 → 14:00 Lunch break

14:00 → 17:05 Physics with 10-100 pb^-1

• Analyses (W/Z)
• Studies including Pile-up
• Measurement of Efficiencies
• Estimation of Systematics
• Background Estimation from Data (Fake Rates)

14:00 W->taunu analysis

Speaker: Pawel Malecki (Henryk Niewodniczanski Inst. Nucl. Physics, PAN)

Slides PM_CPH-TAU-WS-09.pdf

14:20 Z->tau-tau analysis for scales determination and cross section

Speakers: Caterina Pizio (Universita degli Studi di Milano-Universita & INFN, Milano), Susanne Kuehn (Albert-Ludwigs-Universitaet Freiburg)

Slides Kopenhagen_Ztautau_4Final.pdf

14:50 Z->tau-tau-> muon-hadron analysis

Speaker: Ryan David Reece (Department of Physics and Astronomy - University of Pennsylvania)

Slides 2009-04-16_Ztautau_Copenhagen.pdf

15:10 Z->tau-tau->electron-hadron analysis

Speaker: Anna Kaczmarska (IFJ PAN, Krakow, Poland)

Slides kaczmarska_ztautau_Copenhagen09.pdf kaczmarska_ztautau_Copenhagen09.ppt

15:30 Coffee break

15:45 Z->tau-tau studies for efficiency determination

Speakers: Gordon Fischer (Institut fuer Physik-Humboldt-Universitaet zu Berlin-Unknown), Philip Bechtle (DESY)

Slides EfficiencyTalk_DESY.pdf

16:05 Z->tau-tau analysis and QCD background

Speaker: Justin Griffiths (Department of Physics, University of Washington)

Slides TrackMultiplicityFitting.pdf

16:20 Use of safe Tau variables for Z->tau-tau

Speaker: Carl Bryan Gwilliam (Department of Physics - Oliver Lodge Laboratory - University of)

Slides GwilliamZtautau.pdf

16:35 l+tau channels with NN cuts

Speaker: Serban Dan Protopopescu (Brookhaven National Laboratory (BNL)-Unknown-Unknown)

Slides l+tauTauwkshp.pdf

16:50 Measurement of fake tau leptons from QCD jets

Speaker: Mathias Uhlenbrock (Rheinische-Friedrich-Wilhelms- Univ.-Univ. Bonn, Physikalisches)

Slides copenhagen.2009-04-16.pdf

17:00 → 19:00 Time for parallel meeting and working groups

Cosmics Cosmics.pdf

Wtaunu trigger TauTrig20090415.pdf

19:45 → 21:45 Conference Dinner

Friday, 17 April

09:00 → 12:40 Discoveries with tau lepton

• Selected NEW Post-CSC analysis from SM/Higgs/Exotics/SUSY
• Possible topic: Experience from Tevatron experiments.

10:00 Taus in Real Data: MSSM Higgs Searches at CDF

Speaker: Cristobal Cuenca Almenar (University of California, Irvine)

Slides TauWorkshop_AtoTauTauCDF.pdf

10:30 New Searches in the Higgs WG

Speaker: Nicolas Moeser (Physikalisches Institut)

Slides kopenhagen-17-04-09.pdf

11:00 The MSSM h/H/A->tau.tau Project @ 14 TeV

Speaker: Will Davey (Unknown)

Slides CopenhagenAtautau-15-04-2009_4.pdf

11:25 Coffee/Tea Break

11:40 Studies of Tau Polarization in Z'->tautau Events

Speaker: Zofia Czyczula (Henryk Niewodniczanski Institute of Nuclear Physics PAN)

Slides Spin-TauWorkshop.pdf

12:05 Sypersymmetry with tau final states in early data

Speaker: Caroline Zendler

Slides CZendler.pdf

12:30 → 14:00 Lunch break