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41 Pages

EMCal

Course: RHIC 23, Fall 2009
School: Wayne State University
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Word Count: 1805

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Project 1. EMCal What is the ALICE EMCal 2. Project execution plan a. Present Status b. Cost and Schedule c. Manpower and the Collaborations Role 3. Glimpse at Physics Performance - Jets, trigger, electrons, photons Provided as extra slides US DOE May 23-24, 2007 ALICE-USA Review What is the EMCal? The EMCal is a large acceptance moderate resolution Electromagnetic Calorimeter being built largely by the US but...

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Project 1. EMCal What is the ALICE EMCal 2. Project execution plan a. Present Status b. Cost and Schedule c. Manpower and the Collaborations Role 3. Glimpse at Physics Performance - Jets, trigger, electrons, photons Provided as extra slides US DOE May 23-24, 2007 ALICE-USA Review What is the EMCal? The EMCal is a large acceptance moderate resolution Electromagnetic Calorimeter being built largely by the US but with very significant French and Italian collaboration. By providing a high PT trigger and a means to reconstruct high PT electrons, photons and jets, the EMCal enables an otherwise much weaker program of high PT physics in ALICE The combination of the EMCal with the unique tracking and particle ID capabilities of the ALICE detector provide a powerful system for high PT heavy ion physics at the LHC US DOE May 23-24, 2007 ALICE-USA Review ALICE-EMCal Project History Major Milestones Since Inception US NSAC - 2002 long range plan US NSAC - (May 2004) The Barnes Panel US/EU - (June 2005) Integrated EMCal Collaboration Begins France, Italy, USA Design / R&D - (August 2005) USDOE Funded Support Structure Construction Start, Detector Design, Prototyping and ALICE/EMCal Integration Test Beam - (November 2005) FermiLab US DOE cost and Schedule Review - (December 2005) CD-0 approved, Balance of R&D approved Technical Proposal to LHCC April 2006 / approved CD-1 Cost and Schedule Review September 2006 CD-1 Approved December 2006 CD-2/3 review scheduled October 2007 US DOE May 23-24, 2007 ALICE-USA Review ALICE EMCal Lead-scintillator sampling calorimeter ||<0.7, =110o Shashlik geometry, APD photosensor PHOS Readout electronics ~13K towers (x~0.014x0.014) US DOE May 23-24, 2007 ALICE-USA Review Project Cost and Schedule (at CD-1) (Reviewed September 2006) US DOE May 23-24, 2007 ALICE-USA Review Overview of Cost, Contingency and Schedule CD-1 Budget Authority for $13.3M Fiscal Year 2006 2007 2008 2009 2010 2011 Totals CD- 1 Budget Authority Profile (M$) 0.3 1.0 2.0 4.0 4.0 2.0 13.3 Level-1 and Level-2 Milestones Level 1 CD 1 CD 2-3 CD 4 Level 2 Final Design and Safety Review complete Components Procure Complete for SM 1 Super Module 1 Ready to Ship Super Module 3 Ready to Ship Super Module 5 Ready to Ship Super Module 8 Ready to Ship Super Module No. 1 Ready for Operation Q3 FY07 Q2 FY08 Q2 FY09 Q4 FY09 Q3 FY10 Q2 FY11 Q2 FY11 Date Q4 FY06 Q4 FY07 Q1 FY12 US DOE May 23-24, 2007 ALICE-USA Review Project Schedule and Critical Path Critical Path: Module Production Rate is Funding Limited This Allows Scaling of Super Module Delivery with Funding Profile US DOE May 23-24, 2007 ALICE-USA Review Physics Impact of the Funding Profile Number of installed super modules versus running conditions under the given funding profile Calendar Year Number of Super Modules (out of 11) (US + EU) 0 2 = 1+1 6 = 4+2 10 = 7+3 11 = 8+3 LHC Running Plan 2008 2009 2010 2011 2012 Low Lo PbPb Medium Lo PbPb High Lo PbPb pA Light Ions This schedule is not well phased to the anticipated LHC run schedule We have proposed to both CERN and DOE an alternative funding profile leading to an Accelerated Schedule US DOE May 23-24, 2007 ALICE-USA Review Physics Impact of the Accelerated Funding Profile Number of installed super modules versus running conditions Under the ACCELERATED profile Calendar Year 2008 2009 2010 2011 Number of Super Modules (out of 11) 0 2 = 1+1 8 = 6+2 11 = 8+3 LHC Running Plan Low Lo PbPb Medium Lo PbPb High Lo PbPb pA Increments: FY07 $0.0 FY08 $700k FY09 $1500k The DOE has already told us it will be difcult to accommodate this funding prole - we are still waiting for a response from CERN US DOE May 23-24, 2007 ALICE-USA Review Physics Impact of the Accelerated Funding Profile Relative Jet Acceptance Versus Module Count and Jet Radius 100 90 relative acceptance 80 70 60 50 40 30 20 10 0 0 1 2 3 4 5 6 7 8 9 10 11 R=0.2 R=0.3 R=0.4 R=0.5 Factor of 9 increase at R=.5 Areal coverage [super modules] number of 10 degree segments US DOE May 23-24, 2007 ALICE-USA Review Project Management and Institutional Participation US DOE May 23-24, 2007 ALICE-USA Review ALICE-EMCal Project Management Organizational Chart Ofce of Nuclear Physics D. Kovar (Acquisition Executive) J.Simon-Gillo (ALICE-EMCal program Manager) LBNL Site Ofce A. Richards (Manager) B. Savnik (Federal Project Director) Host Laboratory T.J. Symons, LBNL (Director Nuclear Science Division) ALICE Management Board J. Schukraft, CERN EMCal Quality Assurance J. Rasson, LBNL Project Controls D. Peterson, LBNL DOE Contracting Ofcer M. Robles Integrated Project Team EH&S L. Wahl (LBNL) ALICE-USA Collaboration Coordinator John Harris, Yale ALICE-EMCal Project Management T.M. Cormier, LBNL/WSU (Contractor Project Manager) J. Rasson, LBNL (Deputy, Contractor Project Manager) P.Jacobs, LBNL (Deputy, Contractor Project Manager) ALICE Installation L. Leistam, CERN Mechanical Integration and Design M. Dialinas, Nantes Production Riso, WSU Electronics T. Awes, ORNL Trigger Jacobs, LBNL L1 Trigger Muller CERN US DOE May 23-24, 2007 ALICE-USA Review Detector Design Plan LBNL - Trigger CERN level -1 EM and Jet Grenoble level -1 Jet LBNL HLT EMCal Design Ready Nantes - Mechanical Design and Integration LBNL Support Structure Wayne State Tooling Catania Super Module ORNL Electronics ORNL Creighton Conventional Systems Slow Controls CERN FEE Wayne State Module Subatech Strip Module Nantes LED Mechanical/Optical Integration ORNL Systems Integration CERN LED Electronic US DOE May 23-24, 2007 ALICE-USA Review CERN, Grenoble Trigger Kent State APD/CSP Assemble,Test, Calibrate WSU, Purdue, Houston, Yale LED Calibration and Monitoring LBNL, Jet Trigger Houston, MSU WLS Fibers. Wayne State Module/Strip Module ORNL,Yale, Wayne State, Grenoble Super Module Assemble and Calibrate Creighton Slow Controls EMCal Install, Commission, and Operations ORNL Online/DAQ Texas Module Components Nantes Strip Module Parts ORNL, Tennessee Electronics, Assemble, Test, Calibrate LLNL, Kent State, Houston LBNL, Purdue, Tennessee, Texas, Wayne State Yale Computing, Ofine and Physics Performance CERN Electronics Catania Super Module Parts EMCal Institutional Fabrication Plan US DOE May 23-24, 2007 ALICE-USA Review Outline of University Deliverables Houston, MSU Fiber Bundles, LED Components Fabricate and QA/QC wavelength shifting ber bundles (~9k units). Provide and test 3mm ber subassemblies for LED calibration system units) U (~200 Texas Mechanical Fabrication Fabricate assembly tooling and module components over a three year period in UT shops US DOE May 23-24, 2007 ALICE-USA Review Kent State APD / CSP Assembly and Test Mount APD and assemble with mechanical/optical components. Perform APD calibration and maintain calibration database. Approximately 9k units. US DOE May 23-24, 2007 ALICE-USA Review Tennessee Electronics Test/Calibrate Purdue LED System Components Fabricate and QA/QC strip module calibration light distribution components. Approximately 200 assemblies US DOE May 23-24, 2007 ALICE-USA Review Creighton EMCal Slow Controls: Temperature monitoring, HV control, Electronics monitoring and control software, hardware integration and commissioning. Yale Super Module Assembly/Test: Receive strip modules from WSU and perform nal assembly and test. Pack and ship to CERN. 24 Strip modules / super module US DOE May 23-24, 2007 ALICE-USA Review Wayne State Module / Strip Module Fabricate EMCal modules and QA/QC. Integrate optical components and CSP. Assemble strip modules and integrate HV and calibration light distribution. Pack and ship to Yale. US DOE May 23-24, 2007 ALICE-USA Review Estimated distribution of supported engineering, scientic and technician manpower by institute Institute Creighton University Kent State University Lawrence Berkley National Laboratory Lawrence Livermore National Laboratory Michigan State University Oak Ridge National Laboratory Purdue University University of Houston University of Tennessee University of Texas Austin Wayne State University Yale University Total FTE Years * Provided on Loan from WSU as needed Project Funded FTE-Years Detector Construction Engineers Scientist 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 2.0 3.0 Technician 0.0 2.0 0.0 0.0 0.0 2.0 3.0 2.0 53.5 * 62.5 17.6 17.6 US DOE May 23-24, 2007 ALICE-USA Review US DOE May 23-24, 2007 ALICE-USA Review Extra Slides US DOE May 23-24, 2007 ALICE-USA Review Physics Performance Jets Trigger Electrons Photons US DOE May 23-24, 2007 ALICE-USA Review Jet Reconstruction Issues A 100 GeV jet visible in a central HIJING event at 5.5 TeV R=0.3, (R) ~ 75% Energy (GeV) Jet energy fraction within cone radius R = 2+2 Combined information from TPC/EMCal With PT tracking cut US DOE May 23-24, 2007 Background ~ 1.5 TeV in a cone of R=1 ALICE-USA Review How to reconstruct jets in HI environment: Optimal cone size 1.5 TeV in cone of R = 1 Energy contained in sub-cone R Background: E ~ R2 Jets reconstructed from charged particles: Need reduced cone sizes and impose transverse momentum cut ! 75% of jet energy Jets can be reconstructed using reduced cone size, but what is the energy resolution ? US DOE May 23-24, 2007 ALICE-USA Review Full Simulation of jet energy resolution versus R in central PbPb with PTtracking_cut = 2 GeV Resolution Dominated by out-of-cone fluctuations Common to all experiments at the LHC Shallow minimum is trade-off between out-of-cone fluctuations and soft PbPb background. Resolution = (reconstructed jet energy)/primary hard scattered energy US DOE May 23-24, 2007 ALICE-USA Review Trigger Inclusive jets and Di-Jets: Robust fragmentation function (~104 events) measurements to PT ~ 200 GeV/c with trigger in the ALICE EMCal acceptance US DOE May 23-24, 2007 ALICE-USA Review Jet trigger in heavy ion collisions 50 GeV jet with background from central Pb+Pb can we trigger efficiently? What is dependence on trigger patch size? US DOE May 23-24, 2007 ALICE-USA Review Trigger provides a sample of unbiased jets Trigger required for ET > 75-100 GeV where efciency >90% US DOE May 23-24, 2007 ALICE-USA Review Trigger Enhancements versus system Luminosity advantage x10 to x70 US DOE May 23-24, 2007 ALICE-USA Review Electron/hadron discrimination Geant simulation with all ALICE materials Based on E/p from EMCal/tracking and shower-shape e TRD is not effective above about 10 GeV So High PT electron physics requires the EMCal h 20 GeV E/p electron efficiency Rejection ~500 @ 90% (before TRD) is sufficient for robust electron PID US DOE May 23-24, 2007 ALICE-USA Review 1/pion efficiency 103 Direct photons at the LHC Not an easy measurement, however: /0 < 0.1 for p+p (expected to be better in central Pb+Pb due to hadron suppression) QCD bremsstrahlung photons significant for pT<50 GeV/c isolation cuts in heavy ion collisions? /0 Pb+Pb p+p CERN Yellow Report US DOE May 23-24, 2007 ALICE-USA Review Kinematic reach of ALICE+EMCal for direct and +jet US DOE May 23-24, 2007 ALICE-USA Review /0 discrimination in EMCal single-cluster efficiency p+p /0 ratio High pT: use shower shape to discriminate one shower from two merged showers Discrimination in Pb+Pb where cross section is large (~30 - 40 GeV/c) enough to allow fragmentation function measurement Pb+Pb US DOE May 23-24, 2007 ALICE-USA Review Some EMCal Hardware US DOE May 23-24, 2007 ALICE-USA Review Detector Concept 2x2 Towers 4x12 Towers Module 24x48 Towers US DOE May 23-24, 2007 ALICE-USA Review ALICE - EMCal 13 US Institutions 5 European Institutions US DOE May 23-24, 2007 ALICE-USA Review Rails and Rollers Super Module Crate Interface of Super Modules to the Support Structure US DOE May 23-24, 2007 ALICE-USA Review 350k optical fibers in the full scope US DOE May 23-24, 2007 ALICE-USA Review Proof of Concept - 64 Channel Test in Beam of Final Design - Excellent performance Several Prototype Generations -Fully exercise detector labor force -Foundation for basis of estimate -Final prototype cycle planned fo FY07 16 modules, each with 2x2 towers. FY06 US DOE May 23-24, 2007 ALICE-USA Review Prelimary Accelerated Cost Prole WBS Title 1.1 1.2 1.3 1.4 1.5 1.6 Conceptual Design and R&D Design and Engineering Detector Production Electronics Production Site and System Integration Project Management Baseline Total Contingency Total Total Project Cost Contingency % Total 133 499 6,495 1,615 482 1,203 10,426 2,869 13,296 28% FY06 133 40 123 296 296 FY07 453 85 262 800 200 1,000 25% FY08 6 1,416 373 118 225 2,139 561 2,700 26% FY09 3,133 849 121 232 4,335 1,165 5,500 27% FY10 1,859 388 125 239 2,611 689 3,300 26% FY11 87 4 32 122 245 255 500 104% Increments: FY07 $0.0 FY08 $700k FY09 $1500k The DOE has told us it will be difcult to accommodate this funding prole - we are still waiting for a response from CERN US DOE May 23-24, 2007 ALICE-USA Review
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UMass Dartmouth - ICASSP - 1997
UMass Dartmouth - ICASSP - 1997
UMass Dartmouth - ICASSP - 1997
UMass Dartmouth - ICASSP - 1997
UMass Dartmouth - ICASSP - 2004
CONFIDENCE MEASURES IN MULTIPLE PRONUNCIATIONS MODELING FOR SPEAKER VERIFICATION Mohamed F. BenZeghiba Herv Bourlard eDalle Molle Institute for Perceptual Articial Intelligence (IDIAP) P. O. Box 592, CH-1920 Martigny, Switzerland {mfb,bourlard}@