Instrumentation Division Seminar
"Instrumentation for CMS Experiment Upgrade at Helsinki Institute of Physics"
Presented by Jaakko Härkönen, Helsinki Institute of Physics, Finland
Thursday, July 12, 2012, 11:00 am — Large Conference Room, Bldg. 535
Compact Muon Solenoid (CMS) is one of the four experiments within the CERN Large Hadron Collider. Helsinki Institute of Physics (HIP) CMS group has participated in the construction, testing and commissioning of the CMS silicon tracker for more than a decade. This seminar gives an overview of the instrumentation projects in this group.
Radiation hardness of the silicon sensors is one of the main challenges in the scope of future LHC luminosity upgrade. In this presentation special emphasis is put on semiconductor processing techniques, such as Magnetic Czochralski silicon (MCz-Si) and Atomic Layer Deposition (ALD), that enable an order of magnitude better radiation hardness compared to the currently used techniques while being simultaneously cost-effective. Examples of novel detector developments by CERN RD39 Collaboration, low-temperature Current Injected Detector (CID) and cryogenic Beam Loss Monitor (BLM) are presented.
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