Please return to : Olaf Behnke ZEUS/F1 01b/260 Tel. 3854 or email to : obehnke@mail.desy.de Request for a DESY Summer Student in 2011 --------------------------------------------------------------- Name : Andreas Mussgiller email : mussgill@mail.desy.de Tel : 3983 Room : 1a/O2.117 DESY-Group/Experiment : CMS ---------------------------------------------------------------- Short description of the project the student should work on : For the planned LHC luminosity upgrade also an upgrade of the inner tracking detectors of CMS is inevitable. The aims of the detector upgrades are mainly to increase the granularity and reduce the material budget, which is a limitation of the current CMS tracker. The DESY CMS group is involved in the design of new silicon detector modules for the future tracker outer barrel from the mechanical and thermal point of view. Up to now the module design is purely based on finite element calculations that have to be confirmed and refined by measurements. We are currently setting up a laboratory test setup that will allow us to measure the thermal and mechanical performance of test structures and also prototype modules. In addition we plan optical measurements of the module deformation due to thermal stress. There are two possible areas for the summer student to get involved: (1) Prototype measurements: - Temperature measurements on simple test structures - Thermal conductivity & mechanical properties of new materials - Thermal resisitivity of material junctions - Heat transfer efficiency of composite prototypes - Comparison to finite element calculations (2) Optical deformation measurement setup: - help in planning & construction - software development for CCD camera readout - software development for image processing - conduct first measurements and analysis of the results ------------------------------------------------------------------ Physics / Computing/ Engineering Content of the project : Physics/Engineering: - Thermal & mechanical properties of materials & composites - Principles and operation of silicon microstrip detectors - High-precision temperature measurements, basic electronic measurement circuits Computing: - Basic analysis of experimental data with Linux/ROOT - Computer-aided device control and readout with C/C++ (optional) - Higher-level data processing algorithms (optional) ------------------------------------------------------------------ Special Qualifications expected from the student ( Computing,...) : - Basic knowledge of Linux - C++ programming skills helpful but not necessary ------------------------------------------------------------------ Other remarks : ------------------------------------------------------------------- Supervisor(s) during the project (19/07/10 - 8/09/10) : Name: Tel: email : Jan Olzem 2012 olzem@mail.desy.de Andreas Mussgiller 3983 mussgill@mail.desy.de