Spherical Proportional Counter - a copper sphere

LEP was a 27km circular electron-positron collider at CERN. After it was retired and dismantled in 2001, some of its 128 spherical accelerating RF cavities were refurbished into Spherical Proportional Counters. One is currently in Saclay, another is in Thessaloniki, and a third has come to Kingston after spending a few years in China. This 130cm copper sphere is similar in size to the future SNOLAB detector. It will allow us to do full size experiments, and it is already making our neighbouring labs jealous…

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