Sensors for the CDF Run2b silicon detector

We describe the characteristics of silicon microstrip sensors fabricated by Hamamatsu Photonics; for the CDF Run 2b silicon detector. A total of 953 sensors, including 117 prototype sensors, have been produced and tested. Five sensors were irradiated with neutrons up to 1.4 x 10(14) n/cm(2) as a part of the sensor quality assurance program. The electrical and mechanical characteristics are found to be superior in all aspects and fulfill our specifications. We comment on charge-up susceptibility of the sensors that employ a \u3c100\u3e crystal structure

CDF run IIb silicon detector: Electrical performance and deadtime-less operation

The main building block and readout unit of the planned CDF Run IIb silicon detector is a stave, a highly integrated mechanical, thermal, and electrical structure. One of its characteristic features is a copper-on-Kapton flexible cable for power, high voltage, data transmission, and control signals that is placed directly below the silicon microstrip sensors. The dense packaging makes deadtime-less operation of the stave a challenge since coupling of bus cable activity into the silicon sensors must be suppressed efficiently. The stave design features relevant for deadtime-less operation are discussed. The electrical performance achieved with stave prototypes is presented

The CDF Run IIb silicon detector: Design, preproduction, and performance

A new silicon microstrip detector was designed by the CDF collaboration for the proposed high-luminosity operation of the Tevatron p (p) over bar collider (Run IIb). The detector is radiation-tolerant and will still be functional after exposure to particle fluences of 10(14) 1-MeV equivalent neutrons/cm(2) and radiation doses of 20 MRad. The detector will maintain or exceed the performance of the current CDF silicon detector throughout Run IIb. It is based on an innovative silicon supermodule design. Critical detector components like the custom radiation-hard SVX4 readout chip, the beryllia hybrids and mini-port (repeater) cards, and the silicon sensors fulfill their specifications and were produced with high yields. The design goals and solutions of the CDF Run IIb silicon detector are described, and the performance of preproduction modules is presented in detail. Results relevant for the development of future silicon systems are emphasized. Crown Copyright (c) 2005 Published by Elsevier B.V. All rights reserved