20 February 2008 LHCC Status Report J. Schukraft ALICE Status Report to LHCC February 2008 Collaboration News Project Status  Production (TOF, TRD, PHOS, PMD)  Installation  Commissioning

20/2/2008 LHCC Status Report J. Schukraft 2 Collaboration News New Institutes joining in 2007  LPSC Grenoble (associate -> full member) EMCAL (construction)  California Polytechnic State Univ. (USA, NSF funded)EMCAL (software)  Applying:  Yonsei Univ., Pusan Univ.(Korea), PUCP (Peru)  several additional US institutes (Houston, Tennessee, Purdue) Elections/Nominations  CB chair: L. Riccati (Torino) reelected for 3 years  Technical Coordination: L. Leistam (CERN) for 3 years  Deputy TC: W. Riegler (CERN) from  C. Fabjan retires in 2008, was TC since February 2001  Run Coordinator: P. Kuijer (NIKHEF) for 1 year  Spokesperson elections will be held in July 2008 ALICE detector paper submitted to JINST 8 Feb. 2008

20/2/2008 LHCC Status Report J. Schukraft 3 Funding News EMCAL calorimeter for jet physics  France: project approved by CNRS in March 2007 (ca 1 M Euro)  Italy: project continuation funded for 2008 (INFN Sept 2007)  US: DOE CD2/3 review in December 2007  approved and funded (ca 13.5 M US$)  production schedule driven by funding profile (trying to accelerate by 1 year)  TDR planned for mid 2008 PHOS modules 4, 5  electronics and APD’s are funded (China, Japan)  crystal & mechanics funding requested via Kurchatov Inst. (2008 – 2010)

20/2/2008 LHCC Status Report J. Schukraft 4 ALICE Detector TPC PHOS Muon arm TOF TRD HMPID PMD ITS ACCORDE

20/2/2008 LHCC Status Report J. Schukraft 5 Planning & Schedule Changes since early 2007  end 2007 run at 900 GeV has been replaced by mid 2008 run at full energy Additional time used for:  repair of pixel detector (6 half staves damaged in March 2007)  production of further modules:  TOF (7->18)  TRD (2->4) (only 2 will be installed)  PHOS (1->3) (only 1 will be installed)  take more time for testing and pre-commissioning of individual systems  add more cosmic running for global commissioning and initial alignment Expected start-up configuration April 2008  complete: ITS, TPC, TOF, HMPID, muon arm, FMD, trigger dets (V0, T0,ZDC, Acorde),..  partially complete: PHOS(1/5), TRD (2/18), PMD (1/48), DAQ/HLT (20-30%), Beyond 2008  complete DAQ/HLT capacity (shifted from 2008 to 2009) in line with expected LHC running  complete modular detectors: PMD (2008), TRD (2009), PHOS (2010), EMCAL (2011)

20/2/2008 LHCC Status Report J. Schukraft 6 TOF Production  module production : 100 %  Electronic r/o cards: % Assembly & Installation  Supermodule assembly : 15 SMs assembled  10 SMs installed Schedule  TOF production complete: Mar 2008  installation complete: April 2008 TOF SuperModules in storage

7 10 SM already installed Last 8 SM will be installed in March/April SMs commissioned and readout during Dec. ’07 cosmic run SMs installed in Nov./Dec. ’07 and currently under commissioning SMs installed in Jan ’08 Status of TOF SuperModules installation : 16 January 2008

20/2/2008 LHCC Status Report J. Schukraft 8 TRD (fully funded since 2006) Chambers: 430 chambers done (>77% completed; expect to be done by Oct. 08) GSI, U. Hd, U. Frankfurt, JINR, Bucharest Electronics:  R/O board & MCM production transferred to industry 2nd half of production being optimized for yield  TRD pre-trigger: partially installed - under test  GTU fully implemented and debugged Assembly  2 super modules installed, 2 more done; end of assembly March 09  1 SM fully tested at CERN in PS beam  noise performance identical to lab test noise performance during cosmic run with B-field w/o B-field Excessive gas leakage discovered during SM test  TRD chambers have been tested for diffusive 0 2 leaks and are within specs  however, large viscous leaks found during supermodule beam test in PS  leaks localized and all chambers will be repaired (Xenon is expensive !)  consequence: only 2 (repaired) SM’s will be installed

20/2/2008 LHCC Status Report J. Schukraft 9 Photon Spectrometer (PHOS) Detector status:  Module 1: ready since mid 2006, tested & calibrated with cosmics and test beam  assembly & operation experience => improved mechanical/electrical design  Modules 2,3: all elements (crystal, mechanics, electronics) produced, most at CERN  Cooling plant : produced and commissioned, to be installed in April  Condensation observed during warm-up after 2 month cold operation of Mod #1 end 2007  flushing with dry nitrogen insufficient => design new airtight enclose & feedthroughs  first casing ready only end of April => too late for 2008 installation Revised installation schedule  1 module installed in April  system commissioning & pp physics  operated at C,  to be upgraded during first long shutdown  2 modules completed and calibrated during 2008 for installation in first long shutdown PHOS module # 2

20/2/2008 LHCC Status Report J. Schukraft 10 PMD Detector production  all modules produced, tested, at CERN  FEE all produced, mostly at CERN  FRT board tests ongoing (quality issues)  support and Pb converter ready Installation postponed  long term tests show that some MANAS FEE gets damaged by repeated sparks  implement additional protection diodes  delivery delays => not ready by April  Install 1 module for 2008 (commissioning)  rest in first long shutdown (~2 weeks)  PMD needed mainly for heavy ion physics PMD chambers support, Pb converter

20/2/2008 LHCC Status Report J. Schukraft 11 Installation Milestones DetectorStartFinish Muon detector installation /commissioningApr 2006April 2008 Initial TPC installation + ITS rails ITS Barrel (SDD,SSD) + Vacuum (central Be chamber) + Bake-Out FMD/V0/T0 (C side) Commissioning TPC + services SPD installation & integration with ITS barrel FMD2 installation ITS (+ cooling) commissioning TPC to IP, ITS tests, Service Chariot, Beampipe Fixation TRD/ 3 TOF installation EMCAL Frame Miniframe (services A side) TOF/ 1 TRD Magnet Test + Global Commissioning V0-A/T0-A, TOF, cabling, magnet test L3January 2008 mid Feb 2008

20/2/2008 LHCC Status Report J. Schukraft 12 Phase 3 Installation Forward detectors(T0/V0/FMD) + ITS + TPC  Installation - testing – pre-commissioning  most difficult part of ALICE installation  ITS buried deep inside TPC  crowded region with tight clearances  one side blocked by muon absorber  final services on A side unavailable for testing  most delicate: extremely thin & fragile det.  tracking volume < 10% X 0 (0 < r < 2.5 m) equivalent to < 1.5 mm of Copper !!  significant static & dynamic deformations  procedure & tooling was extensively tested  surface mock-up early 2006 ITS V0/T0/FMD Muon absorber C A

13 TPC transport (January 2007) < 100 m horizontal, < 100 m vertical in 2 days = 4 m/hour Position Monitor

14 SSD/SDD Installation Traversing the TPCBe beam pipe

15 Forward Multiplicity Detector FMD Interaction Trigger (V0) Trigger & Timing (T0) April 2007

16

17 Moving the Pixel Half-Barrels to the IP

18 Installation of top half-barrel Inner layer Outerlayer

19 TPC SSD/SDD SPD Moving of the ITS over the SPD SPD cone SPD barrel

20 SPD inside the ITS Absorber ITS June 2007

21 ITS barrel ready to enter inside TPC September 2007

TPC pos. z [mm] Δ [mm] Beam-pipe sag during TPC movement to IP IP Parking Beampipe Sag (mm) Insertion Extraction Insertion Maximum 2.25mmToday 1.7mm Maximum allowed beam-pipe sag: 3mm = 40N on central support = 15MPa stress Start Monitored with lasers, cameras, strain gauges and optical survey…

23 ITS is lowered by a remote control mechanism and fixed to the TPC Final fixation of the ITS ITS TPC

20/2/2008 LHCC Status Report J. Schukraft 24 Summary ITS Installation went essentially smooth w/o major incident or hick-up  major effort involving many different groups, over several months  lots of smaller problems discovered & solved  cooling commissioning, cable & connector problems, positioning & alignment, software/firmware/hardware bugs, ……. ITS and FWD detectors in good health after installation  SPD: > 99.5% working channels SSD: > 97% working channels  SDD: > 98% working channels FMD: > 99.9% working channels

20/2/2008 LHCC Status Report J. Schukraft 25 Muon Spectrometer Tracking  Installation completed for stations 1, 2, 4, 5 station 3 is 50% complete (access to ST1/2) Trigger  installation complete  commissioning ongoing Stations 1, 2 Stations 4, 5 Position Monitoring System: installed on stations 1 & 2 photogrammetry and survey done under progress on stations 3,4,5

26 Muon spectrometer

20/2/2008 LHCC Status Report J. Schukraft 27 EMCAL support November 2007

20/2/2008 LHCC Status Report J. Schukraft Nov 2007: Descent of the last big structure

29 ZDC’s installed on both sides > 100 m inside the tunnel RA23 Point of concern: Introduction of tertiary collimator TCTVB between IP and ZDC can affect the spectator neutrons acceptance  Possible solutions under study RA27 n-cal p-cal

20/2/2008 LHCC Status Report J. Schukraft 30 Trigger/DAQ/HLT/DCS/ECS Installation of all systems in ‘initial configuration’ essentially complete  20-30% for DAQ/HLT, 100% for Trigger/DCS/ECS  Integration & commissioning of different Control Systems and Detectors

20/2/2008 LHCC Status Report J. Schukraft 31 - DATE V5, DDL SIU + RORC delivered - Detector algorithms framework ready APRIL 07 SPDSPD SSDSSD SDDSDD TPCTPC TRDTRD TOFTOF MUONTKMUONTK MUONTGMUONTG HMPIDHMPID PHOSCPPHOSCP FMDFMD T0T0 V0V0 ZDCZDC PMDPMD ACORDEACORDE EMCALEMCAL Final electronics with DDL & DATE Trigger with LTU and TTC Common Data Header (TRG info) Data format check SOD, EOD Data quality monitor. (MOOD) Detect. Algorithms on monitor servers Detector/DAQ integration - DATE V5, DDL SIU + RORC delivered - Detector algorithms framework ready January 08 SPDSPD SSDSSD SDDSDD TPCTPC TRDTRD TOFTOF MUONTKMUONTK MUONTGMUONTG HMPIDHMPID PHOSCPPHOSCP FMDFMD T0T0 V0V0 ZDCZDC PMDPMD ACORDEACORDE EMCALEMCAL Final electronics with DDL & DATE Trigger with LTU and TTC Common Data Header (TRG info) Data format check SOD, EOD Data quality monitor. (MOOD) Detect. Algorithms in DAQ

20/2/2008 LHCC Status Report J. Schukraft 32 Detector/Trigger integration

33 Detector Control February 07 1 H/W & low level S/W done 2 Basic control with PVSS 3 FSM implemented 4 Configured and ready for operation

20/2/2008 LHCC Status Report J. Schukraft 34 ECS skeleton ready APRIL 07 SPDSPD SSDSSD SDDSDD TPCTPC TRDTRD TOFTOF MUONTKMUONTK MUONTGMUONTG H M PI D PHOSCPPHOSCP FMDFMD T0T0 V0V0 ZDCZDC PMDPMD ACORDEACORDE EMCALEMCAL DCS FSM implemented Calibrations runs defined Calibrations runs implemented in ECS Detect. Algorithms for calibration runs Detector/ECS Integration ECS February 2008 SPDSPD SSDSSD SDDSDD TPCTPC TRDTRD TOFTOF MUONTKMUONTK MUONTGMUONTG HMPIDHMPID PHOSCPPHOSCP FMDFMD T0T0 V0V0 ZDCZDC PMDPMD ACORDEACORDE EMCALEMCAL DCS FSM implemented Calibrations runs defined Calibrations runs implemented in ECS Detect. Algorithms for calibration runs

20/2/2008 LHCC Status Report J. Schukraft 35 Cosmic run December ‘07 Trigger in UX-C area Trigger DAQ and HLT Raw Data ACORDE (Cosmic Trigger) ALICE detectors Trigger input Control Operation from ALICE Control Room Data archive Registration on the GRID

20/2/2008 LHCC Status Report J. Schukraft 36 Cosmic Run 14 detectors could run standalone and in some global runs:  SPD, SSD, SDD, TPC, TRD, TOF, Muon TRK, Muon TRG, HMPID, FMD, V0, T0, ACORDE, ZDC(missing: PHOS/CPV, PMD, EMCAL)  R/O for a subset of the installed detector (limited by services, connections, power supply..) Global runs with multiple detectors (up to 11) :  All with pulser or ACORDE as Trigger detector and the Central Trigger Processor  Event building on several GDCs  Data recording:  ROOT format  Migration to CASTOR 17.5 TB of data  Registration in AliEn 23 k files  Electronic Logbook Magnets  Muon Dipole operated full Field  L3 magnet operated only January 2008

20/2/2008 LHCC Status Report J. Schukraft 37 Standalone runs

20/2/2008 LHCC Status Report J. Schukraft 38 Global Partition during Cosmic Run

20/2/2008 LHCC Status Report J. Schukraft 39 Event Displays TPC Krypton Calibration (February 2008) Muon Tracking Chambers HMPID noise (1000 e)

40 TOF results from the cosmic run, December 2007 (2 S.M. in global partition) ACORDE triggers Random triggers Peak width (  =25 ns) is due to trigger jitter TRIGGER FROM ACORDE! First (out of several) muon track seen by TOF Sector 08, 6 hit strips in external module

20/2/2008 LHCC Status Report J. Schukraft 41 Muon Tracking Commissioning:  Local commissioning with “stand-alone DAQ”:  stations 1, 2 CH5 (station 3), CH7-O (station 4) almost completed  stations 3, 4, 5: read-out difficulties ( connectors !) + noise problems : under investigation  Global ALICE DAQ:  Station 1 + half-station 2: 2 LDC entered the December Cosmic Run  plan: station 1 + full station 2 + part of CH5 (station 3) in February Cosmic Run (3 LDC) CH1bending: pedestal & noiseCH7-O bending: pedestal & noise noise

20/2/2008 LHCC Status Report J. Schukraft 42 Computing Resources  ALICE deficit in 2008/9 (after recent updates of pledges/requirements) ~ 30-40%  Active discussion for the integration of US computing resources into ALICE  Discussions with individual countries to raise their relative contribution usability of available resources now mostly above 90% Commissioning of the Offline successfully started First tracks from real data at P2 reconstructed 24/10/ rd RRB J. Schukraft 42 Computing 2 week global run 17.5TB in 23K files (~0.7 GB/file) 18MB/sec = 1/3 of the p+p rate CCRC’08 ongoing now 130MB/s Data Traffic T0 -> T1’s 18TB Data stored in T0

20/2/2008 LHCC Status Report J. Schukraft 43 Planning 2008 Comissioning runs  Cosmics I (2 weeks, Dec 2007)  local (individual detectors) and global (several detectors) comissioning  Cosmics II (3 weeks, Febr/Mar 2008)  local/global commissioning, first 1 week alignment ‘production’ run (TPC/ITS)  Cosmics III (> 4 weeks, April/March 2008)  global commissioning, alignment production run for all detectors PHASEDetectorStartFinish PHASE 4V0-A/T0-A/TOF/L3 magnet test Cosmic Run II TOF/TRD/PHOS/PMD Cosmic Run III, Mobile shielding, close vacuum Start of beam

20/2/2008 LHCC Status Report J. Schukraft 44 Summary Most of ALICE installed in 2007  delicate TPC/ITS installation took longer than foreseen,  but went essentially without problems  initial detector configuration required for pp in 2008 will be in place by April  including 2 TRD and 1 PHOS module  global commissioning under way  still lots of work ahead ! Looking forward to beam in 2008 !