Rl. Bates et al., GALLIUM-ARSENIDE AC-COUPLED MICROSTRIP DETECTORS WITH INTEGRATED RESISTORS, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 410(1), 1998, pp. 19-25
GaAs microstrip detector prototypes for the ATLAS forward tracker have
been fabricated and tested. They feature integrated capacitors for AC
-coupling and a novel biasing technique based on the high-resistivity
substrate material with ohmic contacts. The strips are wedge shaped an
d the detector has a 5.5 cm long off-axis edge cut. The detector has b
een tested with the LBIC binary read-out chip in a beam test performed
at the CERN SPS with 120 GeV pi(-), showing a 97% detection efficienc
y. (C) 1998 Elsevier Science B.V. All rights reserved.