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T: Fachverband Teilchenphysik

T 64: Halbleiterdetektoren IV

T 64.9: Talk

Thursday, March 31, 2011, 18:45–19:00, 30.21: 001

(contribution withdrawn) Surface Events in HPGe Detectors — Iris Abt, Sabine Dinter, •Florian Faulstich, Bela Majorovits, and Franz Stelzer — Max-Planck-Institut für Physik, Munich, Germany

Events on or close to the surface of high purity germanium, HPGe, detectors can introduce backgrounds in low background applications of such devices. The Galatea test-stand, especially developed and constructed at the MPI für Physik allows an almost full surface scan of a detector with alpha and beta sources. Events induced by alpha and beta particles can be characterized and surface effects can be studied. First comparisons between data and Monte Carlo are presented.