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ATLAS Canada Collaboration
Alberta Carleton Montréal Simon Fraser Toronto TRIUMF UBC Victoria York 32 University/Lab.physicists Over 80 people, including Engineers, Technicians, Students Educational Role 20 UG Summer Students 25 Graduate Students 16 Post Docs Focus on Liquid Argon Calorimetry 4 NSERC Funded Construction Projects Endcap Hadronic Calorimeter Forward Hadronic Calorimeter Front-End-Board Electronics Endcap Signal Cryogenics Feedthroughs Other Important Activities Radiation Hardness Studies Physics Studies Event Filter Processor Farm Computing - soft/hard Pixel testing & assembly 11/17/2018 Robert S. Orr University of Toronto
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Why Is It Called a Calorimeter?
Liquid Argon/Metal Charged Particle Kinetic Energy of Particle Converted to Ionization Of Liquid Argon Electrical Signal Proportional to Incoming Energy Why Is It Called a Calorimeter? Readout Electronics 11/17/2018
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Hadronic Endcap Calorimeter
Front Wheel 2 Front and Rear Modules Rear Wheel Wheel Assembly Composed of 2 wheels per end Front wheel:67 t 25 mm Cu plates Back wheel:90 t 50 mm Cu plates TRIUMF, Alberta 11/17/2018
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University of Victoria
Cryogenic Signal Feedthroughs Over 180k signal channels in the LAr calorimeter High density and reliability required: 1920 pins per feedthrough unit University of Victoria TRIUMF 11/17/2018
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Tungsten-Copper Internal Structure
Forward Calorimeter Four Modules Each 0.9 m Diam, 0.45 m long Total 20 Tonnes Tungsten Carleton, Toronto FCAL1 FCAL3 FCAL2 Plug3 Completed Module Tungsten-Copper Internal Structure 11/17/2018
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Calorimeter Front-End-Board Electronics
Radiation Hard Logic to Control Calorimeter Signal Readout Design, Testing, Implementation Alberta 11/17/2018
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Online Computer Farm to Select Events Recorded by Experiment
The Event Filter Online Computer Farm to Select Events Recorded by Experiment Alberta 11/17/2018
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Irradiation Studies HEC Electrodes Canada Responsible for: Montréal
Coordination of Materials Certification for the complete LArg system Montréal FCAL resistors and capacitors 11/17/2018
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Pixel Detector Pixel sensor Material Activation Studies Sensor Testing
Installation & Commissioning Montréal, Toronto 11/17/2018
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