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arxiv: 1001.4665 · v2 · pith:4SE2NA2Unew · submitted 2010-01-26 · ⚛️ physics.ins-det

Uniformity Studies of Scintillator Tiles directly coupled to SiPMs for Imaging Calorimetry

classification ⚛️ physics.ins-det
keywords tilescouplingresponsescintillatorsipmsuniformityachievedactive
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We present a novel geometry of scintillator tiles developed for fiberless coupling to silicon photomultipliers (SiPMs) for applications in highly granular calorimeters. A high degree of uniformity of the tile response over the full active area was achieved by a drilled slit at the coupling position of the photon sensor with 2 mm, 4 mm and 5.5 mm in height, width and depth. Detailed measurements of the response to penetrating electrons were performed for tiles with a lateral size of 3 x 3 cm^2 and thicknesses of 5 mm and 3 mm.

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