Title :
Readout electronics for the Venus TRD at TRISTAN
Author :
Fukushima, Y. ; Sakuda, M. ; Terunuma, N. ; Watase, Y. ; Nakano, I. ; Haba, J. ; Kanda, N. ; Krueger, A.
Author_Institution :
Nat. Lab. for High Energy Phys., Ibaraki, Japan
fDate :
8/1/1993 12:00:00 AM
Abstract :
A large cylindrical transistor radiation detector (TRD) has been constructed as a part of the Venus detector for the TRISTAN e+e- collider. The TRD has a total of 2688 channels of readout electronics. The electronics employs the method of charge sensitive preamplifiers and trapezoidal shaping networks. The circuit has typically an 11-b linearity. The gas gain of each X-ray chamber is tracked with an accuracy of ±1% by monitoring 5.9-keV X-ray signals of a 55Fe source. The noise pickup has been minimized. The TRD gives a pion rejection factor of about 13(30) for 90%(80%) electron efficiency over the wide momentum range between 1 and 30 GeV/c. Full details of the readout electronics, the electronics for wire-gain control and the performance of the detector are given
Keywords :
electron detection and measurement; nuclear electronics; position sensitive particle detectors; proportional counters; Venus detector; X-ray chamber; charge sensitive preamplifiers; cylindrical transistor radiation detector; electron efficiency; noise pickup; pion rejection factor; readout electronics; trapezoidal shaping networks; wire-gain control; Circuit noise; Electron traps; Iron; Linearity; Monitoring; Noise shaping; Preamplifiers; Radiation detectors; Readout electronics; Venus;
Journal_Title :
Nuclear Science, IEEE Transactions on
