Radiation Damage Control in the BNL (Brookhaven National Laboratory) Hypernuclear Spectrometer Drift Chamber System

摘要

A high rate drift chamber system has been in use at the BNL hypernuclear spectrometer system for the past three years. Some of the chambers have accumulated charge doses up to about 0.2 C/cm-wire without showing external signs of aging. The system design and performance will be discussed as well as the results of some laboratory drift chamber aging tests. 5 refs., 9 figs. (ERA citation 11:028140)