Author/Authors :
Kirn، نويسنده , , Th. and Chung، نويسنده , , C.H. and Dِmmecke، نويسنده , , F. and Fopp، نويسنده , , S. and Karpinski، نويسنده , , W. and Lübelsmeyer، نويسنده , , K. and Schael، نويسنده , , S. and von Dratzig، نويسنده , , A.Schultz and Schwering، نويسنده , , G. and Siedenburg، نويسنده , , T. and Siedling، نويسنده , , R. and Wallraff، نويسنده , , W. and Wlochal، نويسنده , , M.، نويسنده ,
Abstract :
The AMS02 experiment will be installed on the International Space Station for a data taking period of 3 years. The TRD consists of 20 layers of straw modules and fleece radiator with a total of 328 modules (16 straws each). The housing consists of a conically shaped octagon structure made out of CFC-Al-honeycomb material and is closed by a lower and upper honeycomb plate. The gas is a 80:20 Xe/CO2 mixture. The straw modules will be operated in proportional mode at a gasgain of 3000. The signals are readout by VA chips. The detector is under construction at RWTH Aachen, the gas system will be built at MIT, slow-control at INFN Rome and DAQ at TH Karlsruhe. In the presentation special emphasis will be dedicated to the space qualification aspects and the status of the straw module production.