Housing for Passive Radiation Sensors Ch. Ilgner, February 15, 2007 Proposal for a versatile easy-to-use passive sensor housing for radiation monitoring.

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Presentation transcript:

Housing for Passive Radiation Sensors Ch. Ilgner, February 15, 2007 Proposal for a versatile easy-to-use passive sensor housing for radiation monitoring in both accelerators and experiments. Optimized in view of production, performance in radiation fields and handling. Comprising alanine, p-i-n diode, RPL and TLD sensors. Thanks to Barbara Obryk and Markus Fürstner. Ch. Ilgner, Dortmund Univ., RADMON, Feb. 15, 2007

Properties Ch. Ilgner, Dortmund Univ., RADMON, Feb. 15, 2007 Advantages: all passive sensors + p-i-n diode in one common housing minimized exposure time during deployment/harvesting minimized turnaround time in the lab material (PE) complies with IS41 (use of plastics in the LHC underground installations) optimized production (mill-cut, few parts; casting becomes only affordable from ~ pieces on) bar-code operation minimizes errors new readout instruments and procedures (RPL: M. Fürstner, TLD: B. Obryk) Inter-departmental project

Dose Ranges problematic ambiguous region due to optical degradation (solved) (I. Floret, M. Moll) There is a new RPL reader being produced by TS/RP and Geneva engineers‘ school that is capable of reading the ambiguous region, see talk by M. Fürstner. expected year-doses in CMS at cm -2 s -1 luminosity

material: PE (picture: I. Floret) TLD (Harshaw) Geometry

Conclusion An easy-to-use and tested sensor-housing concept is available to everybody who needs it. It is optimized in several respects. TLD, RPL and alanine cover a dose range from 1 mGy to 10 6 Gy for the total dose. Thermal Neutron sensitivity with TLD.