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Discussion on Geometries FCAL Collaboration Workshop  TAU, September 18-19, 2005 Christian Grah
Coordinate systems Coord.-System 2: Geant4 like (Mokka): Coord.-System1:  Geant3 like (Brahms):
Positions/Geometries Center Lumi- and BeamCal on outgoing beam. LumiCal:  ¡À 3.05cm BeamCal:  ¡À3.65cm (z=370 is also used) Angular Coverage: LumiCal: 8(13) to 28cm 26(43) to 92 mrad BeamCal: 1.5(2) to 10(16)cm 4(5) to 28(44) Option: misplace BeamCal and keep aperture small...how to prevend dead area?
BeamCal Segmentation 45/60¡ã calo segment (nseg=8/6) using 360-opening angle/nseg for  20 mrad

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