Short summary of ATLAS week

Really a lot has happened since the last ATLAS Plenary in Paris! Giant steps in the detector hardware construction, assembly, integration, installation and commissioning, will be reported mainly this afternoon and tomorrow, there is obviously no point to preview this here … But there are also remaining and new challenges which have been faced, or which will still have to be faced, as it will become evident from the presentations So we are close, but not yet there! Just two nice examples: pictures from the pit on 8 th November 2005, and from SR1 on 17 th February 2006 …

End Cap Calorimeters C Various transports in November, with no problems Lowering down of the Tiles lower part and assembly of the 24 modules Lowering down of the LAr and final alignment on the tile Assembly of the Tiles cylinder, finished 1st February, perfect shape

Overall Schedule Challenge short term:  define the final time window for the Solenoid B-map (Enc Cap Calos)  schedule BT test  be ready for June ID barrel installation (ID services)  start BW-C assembly  cable calo end caps medium term:  define ECT scenario  finish barrel muon  optimize ID end cap installation/commissioning  define BW-A scenario  define pixel installation scenario (from Marzio Nessi)

Barrel Muon Next Future 4 main issues to solve : – finish to install the sectors where a few chambers have been left out for various reasons – install final access platforms for easy access during commissioning – bring services to the installed chambers – get installation to nominal speed (chambers availability has to follow)

It’s a challenge but getting there

Inner Detector: highlights and concerns Some problems (of leaks) found and solved in TRT and SCT, overall progress is good and integration continues. Problem with pixel stave pipe corrosion confirms schedule impact. Services installation still on critical path. Concerns in Oct. and now: –TRT Noise issues –SCT Low Mass Tapes (LMT) EndCap schedule –Pixel Stave cooling pipe corrosion –IDGEN Service installation –TRT –SCT –Pixel Stave cooling pipe corrosion –IDGEN Service installation

Readiness for installation (1/2) Barrel SCT/TRT integrated17 Feb 06 Barrel 7.09 RFI11 May 06 Ready for installation5 June 06 Fully commissioned (allow 16 weeks, 5 weeks for TRT and 11 weeks for SCT) 25 September 06 End cap C SCT EC-C at CERN23 Feb 06 TRT ready for integration24 April 06 SCT ready for integration21 June 06 EC-C 7.09 RFI6 July 06 Ready for installation4 October 06 Fully commissioned (allow 12 weeks)31 December 06 Connection and test time in the pit has been increased

Readiness for installation (2/2) End cap C - cont Fully commissioned31 December 06 ID end plate installed and services laid acrossMid Jan 07 End cap A SCT EC-A at CERN (2-4 weeks contingency)1 May 06 TRT ready for integration5 June 06 SCT ready for integration14 August 06 EC-A 7.09 RFI5 August 06 Ready for installation (assuming same tests as for EC-C – must be reduced) 27 November 06 Fully commissioned (allow 12 weeks)End Feb 07 ID end plate installed and services laid acrossMid March 07 Pixels Ready for installation (retain 7.09 RFI date)13 Feb 07

Two major commissioning events in the coming weeks Liquid argon in the UX15 cavern Cool down and filling of the LAr Barrel Beginning of the Magnet system tests (from Olga Beltramello)

Commissioning Milestones for 2006 Date in ‘06TileCalLAr Feb.First combined Tile + MDT Now  Barrel Phase 1 AprCombined LAr + TileCal barrel expert week (DAQ, noise) Apr.Phase 2 + Field Map May/JuneTile + Muons + BT field on May/June  Dec Phase 2-3: Barrel cosmic runs (LAr barrel cold) June/JulyCombined extended barrel expert week (DAQ, noise) Sept./Oct.Endcap C cold Nov.  Phase 2-3: Endcap C cosmic runs Nov.Endcap A cold Jan. ’07  Phase 2-3: Endcap A cosmic runs

February ’06: First Combined Run in UX15: TileCal + MDT Sector 13 (bottom of detector) instrumented for TileCal + MDT Triggered by pair of scintillators below MDT Online success: read out 2 subdetectors as one DAQ partition Offline success: reconstructed combined events offline with Athena, event display with Atlantis Both subdetectors seeing muons, still need to prove they are the same muons Run again when possible, also using TileCal trigger Pedestal Signal D.Lawlor TileCal Tower Energy (GeV)

Basically: - use only official data sets, algorithms and tools - make sure that other people can repeat your analysis - rules on MC sets: only official validated samples - approval procedure, Analysis Reviewers - confidentiality of information

End of 2006: prove physics readiness for ~100 pb -1 in 2007

Monday Morning free for parallel meetings Afternoon Introduction and news Detector, electronics, magnet status and integration Tuesday Morning Installation Machine status, interactions machine-ATLAS Afternoon Commissioning Upgrade Wednesday Morning Fwd detectors TDAQ (construction status) Trigger area Afternoon : free for parallel meetings Thursday Morning Software and Computing Data preparation area: data quality, calibration/alignment, first reconstruction of physics objects Afternoon Combined test beam Physics (Combined detector performance) CB matters Friday Morning Physics (Physics channels) Afternoon Collaboration Board meeting Layout for the two 2006 ATLAS Weeks at CERN 20 – 24 February 2 – 6 October The Stockholm AW will have Plenary sessions from Monday morning to Friday midday, followed by the CB 10 – 14 July

Monday 11h-15h: Introductory session -- Set goals of week for Trigger, Comb.Perf., and Physics -- Trigger operation strategy (e.g. pre-scales) -- Trigger software infrastructure -- Status report on Software and production -- Introductory talks for Physics part (Software validation, etc.) Monday 15:30-18h: e/gamma trigger slice -- Introduction, LVL1, LVL2, EF -- User feedback (from UTF, Comb.Perf. WG, Physics WG, etc.) Tuesday morning: In parallel: e/gamma Comb.Perf. WG and b-tagging Comb.Perf. WG Note: b-tagging Comb.Perf. WG includes b-tag trigger slice Tuesday afternoon: JET/ETmiss/tau trigger slices followed by Muon slice Similar structure as or e/gamma trigger slice Wednesday morning: In parallel: JET/ETmiss/tau Comb.Perf. WG and Muon Comb.Perf. WG Wednesday afternoon-Thursday morning: Physics WGs -- 3 in parallel on Wed afternoon -- 3 in parallel on Thur morning Note: B-trigger is included in B-physics WG Thursday afternoon: concluding session -- Conclusions of trigger part of workshop: actions, next steps (try to build groups of people from various communities working together) -- Conclusions of performance/physics part: actions, next steps, etc. The trigger part is under the responsibility of the LVL1 and HLT PLs, and performance/physics are under the responsibility of the Physics Coordinator Layout for the the three Trigger and Physics Weeks All will be at CERN: 20 – 23 March 29 May – 1 June 30 Oct – 2 Nov

Tuesday 21 February :15-19:45 (modified agenda) 1. The ATLAS Puzzle (03-05') Gagnon, P. 2. Exhibition in SX1 (06-10') Sanders, E 3. CERN-guided tours at ATLAS (06-10') Bertola, D. 4. "Spinoff" brochure almost ready (06-10') Lahr-Nilles, E. 5. Report on CERN public affairs activities (05-10') C. Sutton/B. Pellequer 6. Plans for a new outreach program for the start-up of ATLAS (10') 7. Selection of Events for student activities (08-10') Kourkoumelis, C 8. Report on QuarkNet (08-10') Jordan, T 9. The latest work on the animation of ATLAS (10') 10. Producing a Press Packet (02') 11. Producing a Physics brochure (02') 12. Enhancing public website (03') 13. Updating eTours on public webpages (02') 14. ATLAS photos (05') Marcelloni, C 15. Collecting, producing and posting best photos and images (02') 16. Creating video clips for news media (02') 17. Presentation of Exhibition in SX1 (ATLAS Pit surface hall) and afterwards drink in SCX1 ATLAS Education and Outreach

ATLAS puzzle 500 pieces puzzle made by Ravensburger 1000 puzzles will be initially printed CERN Public page and ATLAS Outreach page given on box They will be available around 15 April 2006 Half of them will be sold within ATLAS Half of them will be sold by CERN Gift Shop Sale price: 3 puzzles for 13 CHF each 1 puzzle for 15 CHF4 puzzles for 12 CHF each 2 puzzles for 14 CHF each5+ puzzles for 10 CHF each