[Triumf-seminars] TRIUMF Technical Seminar today at 12:00

postmaster at admin.triumf.ca postmaster at admin.triumf.ca
Fri Apr 24 05:00:00 PDT 2009


Date/Time: Fri 2009-04-24 at 12:00

Location:  ISAC2 conf room     

Speaker:   William Trischuk (University of Toronto/TRIUMF)

Title:     Radiation Tolerant Diamond Sensors in the ATLAS Experiment at CERN

Abstract: With first LHC collisions expected later this year, and the LHC upgrades expected towards the middle of the next decade, ATLAS and CMS are planning for detectors based on ever more radiation hard technologies. Chemical Vapour Deposition (CVD) diamond has been used extensively in beam conditions monitors in the highest radiation areas of BaBar, Belle and CDF and are now installed in all LHC experiments. Diamond is being considered as an alternate sensor material for use very close to the interaction region of the super LHC where the most extreme radiation conditions will exist. Recently the RD42 collaboration constructed, irradiated and tested polycrystalline and single-crystal CVD diamond detectors to the highest fluences available. After describing the general principles of diamond-based particle detection I will show results from diamond sensors exposed to fluences up to 1.8 x 10 16 protons/cm2, giving the basis for applications at the LHC. I will describe the current ATLAS beam conditions monitor system as well as R&D underway to make diamond pixel prototypes for an upgraded ATLAS tracker.

Please bring your own lunch.

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