In the CLOVER detector assembly, the crystals are hold only by the rear side thus reducing the quantity of material surrounding the crystal and improving peak to background ratio. Moreover, crystals are packed very closely together to improve the add-back factor (Ge to Ge distance is typically 0.2 mm).The four crystals are mounted in a common cryostat with tapered squared and cap. Distance between cap and crystal has been reduced to 3.5 mm to improve the solid angle.
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Last Updated : 11/09/2012