The SiD conceptThe SiD concept

Yannis KaryotakisYannis KaryotakisLAPP Annecy / IN2P3LAPP Annecy / IN2P3

March 21March 21stst ‘05 ‘05

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Main ideasMain ideas An high performance detector optimized to study An high performance detector optimized to study

ee++ee-- collisions of 0.5 to 1 TeV collisions of 0.5 to 1 TeV

The Particle Flow resolution drives the detector The Particle Flow resolution drives the detector design through the ECaldesign through the ECal

Integrated, optimized, hermetic detectorIntegrated, optimized, hermetic detector

Cost has to be reasonably constrained Cost has to be reasonably constrained

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The detector conceptThe detector conceptExcellent integrated tracking and vertexing system

Compact calorimetry

High magnetic field

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Tracking and VertexingTracking and Vertexing

•Fully Integrated system

•Excellent pattern recognition and momentum resolution

•Robust operation

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CalorimetryCalorimetry

ECal Si/WECal Si/W Keep it compactKeep it compact Keep effective Molière Keep effective Molière

radius smallradius small HCalHCal

4 4 : 34 : 34 2 cm Fe or W 2 cm Fe or W RPCs, GEMs, scintillatorRPCs, GEMs, scintillator

• Glass RPCs, in simulationGlass RPCs, in simulation

•Many channels (1-2K) on one ASIC•Thin wafers

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Solenoid and Flux returnSolenoid and Flux return

Feasibility study underway to at least

convince ourselves that 5T can be built .

• B=5 Tesla•Stored energy ~ 1.2 GJ•CMS solenoid sets current scale. First ANSYS 2D, 3D ModelingFirst ANSYS 2D, 3D Modeling

Ongoing Muon R&D on layout ( flux return) and detector technologies

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SiD OrganizationSiD Organization Design Study CoordinatorsDesign Study Coordinators

J. Jaros and H. WeertsJ. Jaros and H. Weerts Asian and European Contact Persons H. Aihara and Y. Karyotakis Asian and European Contact Persons H. Aihara and Y. Karyotakis

SiD Executive CommitteeSiD Executive Committee Design Study CoordinatorsDesign Study Coordinators SiD R&D Coordinator A. White SiD R&D Coordinator A. White Godfathers M. Breidenbach and J. Brau Godfathers M. Breidenbach and J. Brau

SiD Advisory GroupSiD Advisory Group SiD Executive CommitteeSiD Executive Committee Working Group Leaders Working Group Leaders

SiD Working Groups SiD Working GroupsBenchmarking (T. Barklow), Calorimetry (R. Frey, J. Repond), Forward Benchmarking (T. Barklow), Calorimetry (R. Frey, J. Repond), Forward Calorimetry, Costs (M. Breidenbach), Magnet/Flux Return, Muons, Calorimetry, Costs (M. Breidenbach), Magnet/Flux Return, Muons, Simulation (N. Graf), Tracking (M. Demarteau, R. Partridge), Vertexing Simulation (N. Graf), Tracking (M. Demarteau, R. Partridge), Vertexing (D. Su), MDI Liaison. (D. Su), MDI Liaison.

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Road to SnowmassRoad to Snowmass LCWS05 Settle on critical questions and goalsLCWS05 Settle on critical questions and goals

April April Working Groups define simulation studiesWorking Groups define simulation studies and other work needed to answer critical and other work needed to answer critical questions by Snowmass, engage help, start questions by Snowmass, engage help, start work. work.

May-August Working Group meetings push studies and reviewMay-August Working Group meetings push studies and review progress. progress.

Monthly Advisory Group meetings push overall detector Monthly Advisory Group meetings push overall detector design, review sub-system progress. design, review sub-system progress.

Mid-June Advisory Group meeting at Fermilab. Mid-term review. Mid-June Advisory Group meeting at Fermilab. Mid-term review.

before Be ready with sub-system designs, based on realisticbefore Be ready with sub-system designs, based on realisticSnowmass mechanical concepts, justified with simulatedSnowmass mechanical concepts, justified with simulated performance. Design tools ready. Benchmarking performance. Design tools ready. Benchmarking analyses ready. analyses ready.

at Review subsystem designs and at Review subsystem designs and Snowmass starting point performance. OptimizeSnowmass starting point performance. Optimize overall detector. Review technologies overall detector. Review technologies and mechanical design and choose baselines. and mechanical design and choose baselines.

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Concluding remarksConcluding remarks Join (not exclusive) and work on SiD designJoin (not exclusive) and work on SiD design

Unique chance for the Design Study to make real headway, Unique chance for the Design Study to make real headway, integrate all the subsystems into integrate all the subsystems into oneone design, optimize design, optimize the the overalloverall design, design, debate the relevant technologies, debate the relevant technologies, understand the physics/detector interplay.understand the physics/detector interplay.

Study physics performance for several key physics Study physics performance for several key physics measurements for a variety of detector configurations (e.g. measurements for a variety of detector configurations (e.g. change R, change B, change z,…). Watch the errors vs change R, change B, change z,…). Watch the errors vs costs.costs.

http://www-sid.slac.stanford.eduhttp://sid.fnal.gov or http://ilc.fnal.gov