Abstract

This paper presents the current status and future plans for the dark matter experiments being undertaken at the Boulby mine. An array of surface controlled NaI(Tl) crystals has been constructed, which control previously observed fast anomalous signals. A series of detectors based on xenon, which has a better background discrimination potential, is under development. The first of these detectors based on liquid xenon pulse shape discrimination is in operation at the Boulby site. Second generation detectors which are based on two phase detectors where both scintillation and ionisation are observed, are under construction. A low pressure CS2 gas TPC detector has been installed and is operating at Boulby with the intention of developing directional detectors to enable correlations between nuclear recoils and Galactic motion.

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