del Papa, C

Pelfer, P G

Smith, K

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microstrip prototype evaluation, both during 1991. OCR Outputbeams, and two weeks in a PS test beam to allow setting up andProvision of two weeks of test beam time and facilities in high energyand read—out electronics.Scientific approval of our programme of research into GaAs detectorsRequeststo enable us to carry out tests independently in low energy beams.We shall provide a data acquisition system for test - beam running,the 54 detector elements which we proposed originally.are higher than origina.lly suggested, typically around 100 ksw.£r. forCRON Semiconductors, and are promised from Telettra, Milan. TheyCost estimates have been received from NMRC, Cork and from MI1992.the objective of producing a prototype for testing in early summer,study already begun by RAL, and we have defined a programme withelectronics in GaAs, specifically on the HBT pre-amplifier designWe intend to place more emphasis on the development of front-endtured in Glasgow and are now under test.Prototype microstrip detectors in GaAs have recently been manufacFlorence.are now under way at Lancaster and at the LENS Laboratory inInvestigations of the nature and density of traps in irradiated diodesin electronics and semiconductor physics.caster University and three from CNAF, Bologna, adding expertiseThe collaboration has been extended by four physicists from LanUpdate to Proposal - DRDC/P-13 and Summary of Requests*3 %— *+N Dear Dr. Turala,5 c.?/ \ OT\`*\`)¤ sc00000177@WIN|HIH¤l|\H|NH|Nl|WM|hHl\ 24 January, 1991cam uanAR1Es, c¤NEvAumnc/P12 Add. 1CERN/DRDC/91-4Ken Smith, Carlo delPapa, Pier Giovanni PelferYours sincerely,gramme on time.greatly enhance the prospects of a successful completion of our procontinue to believe that support, even at this reduced level, wouldmoderate this request to a total of three man-months for each. Wemembers with appropriate skills in our home institutes, we wish tomanagement for this request, and the addition of new collaborationyear in each case. Given the lack of enthusiasm shown by the CERNSITP collaboration, was originally requested at the level of one mancoherence between the programme which we propose and that of the• Mechanical and electronic engineering technical support, to promotenext two years or so.constructing a complete demonstration detector module within theas a viable option for LHC physics may be lost unless we succeed inhowever, that a. "window of opportunity” to establish GaAs detectorsdetector elements is in the range 30 - 45 ksw.fr. We wish to stress,to us to represent a minimum realistic size. The quoted cost of 12-15mechanical problems, an array of 2 x 2 detectors in three layers seemsdevice manufacture. To enable a proper study of edge effects and• Funding at a level which would encourage industrial involvement in

Update to proposal-DRDC/P-13 and summary of requests

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