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RECENT RESULTS ON GAMMA SPECTROMETRIC MEASUREMENTS AT LNGS

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Presentation on theme: "RECENT RESULTS ON GAMMA SPECTROMETRIC MEASUREMENTS AT LNGS"— Presentation transcript:

1 RECENT RESULTS ON GAMMA SPECTROMETRIC MEASUREMENTS AT LNGS
Matthias Laubenstein I.N.F.N. - L.N.G.S.

2 GERDA Meeting @ Tübingen, TG 11
Recent developments two new Germanium detectors, similar to GeMPI detector (in fact they are called GeMPI-2 and GeMPI-3, GeMPI-2 still under test; GeMPI-3 arrived on October 25th, shielding still to be built) new space available in hall A … but it is already almost filled up … November, 9th-11th 2005 GERDA Tübingen, TG 11

3 GERDA Meeting @ Tübingen, TG 11
Material screening (old data) (expanded uncertainties and decision thresholds with k=2) November, 9th-11th 2005 GERDA Tübingen, TG 11

4 GERDA Meeting @ Tübingen, TG 11
Material screening (with new data) (expanded uncertainties and decision thresholds with k=2) November, 9th-11th 2005 GERDA Tübingen, TG 11

5 Forthcoming results and analyses
Lexan electronic components (in measurement also for other experiments, but up to know nothing “clean”, O(hundreths of Bq/kg) Kapton coax cable (only 30 g, now ca. 12 days) November, 9th-11th 2005 GERDA Tübingen, TG 11

6 Still the same question marks
Time schedule for measurements ? List of materials to be measured ? Required sensitivities ? Intercomparison between radioactivity analysis laboratories ? Intercomparison between screening techniques ? November, 9th-11th 2005 GERDA Tübingen, TG 11


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