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  Background Suppression Using Pulse Shape Analysis with a BEGe Detector for Neutrinoless Double Beta Decay Search with GERDA

Budjáš, D., Chkvorets, O., & Schönert, S. (2009). Background Suppression Using Pulse Shape Analysis with a BEGe Detector for Neutrinoless Double Beta Decay Search with GERDA. In Marvin L. Marshak (Ed.), 10th Conference on the Intersections of Particle and Nuclear Physics (pp. 96-99). Melville, N.Y.: American Institute of Physics.

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 Urheber:
Budjáš, Dusan1, Autor           
Chkvorets, Oleg1, Autor           
Schönert, Stefan1, Autor           
Affiliations:
1Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society, ou_904549              

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 Zusammenfassung: A pulse shape analysis for distinguishing between double beta decay-like interactions and multiple-scattered photons was performed for the first time using a BEGe-type detector. This discrimination method is included in the research and development for the second phase of the GERDA experiment, since active background suppression techniques are necessary to reach sensitivity for the 76Ge neutrinoless double beta decay half life of > 1026 years. A suppression of back­grounds in the energy region of interest around the 76Ge Qββ = 2039 keV is demonstrated, with (0.93 ± 0.08)% survival probability for events from 60Co, (21 ± 3)% for 226Ra, and (40 ± 2)% for 228Th. This performance is achieved with (89 ± 1)% acceptance of 228Th double escape events, which are analogous to double beta decay.

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Sprache(n): eng - English
 Datum: 2009-12
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: eDoc: 433499
DOI: 10.1063/1.3293966
 Art des Abschluß: -

Veranstaltung

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Titel: CIPANP 2009: Tenth Conference on the Intersections of Particle and Nuclear Physics
Veranstaltungsort: San Diego, California
Start-/Enddatum: 2009-05-26 - 2009-05-31

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Titel: 10th Conference on the Intersections of Particle and Nuclear Physics
Genre der Quelle: Konferenzband
 Urheber:
Marvin L. Marshak, Herausgeber
Affiliations:
-
Ort, Verlag, Ausgabe: Melville, N.Y. : American Institute of Physics
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 96 - 99 Identifikator: ISBN: 978-0-7354-0723-7

Quelle 2

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Titel: AIP Conference Proceedings
Genre der Quelle: Reihe
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 1182 Artikelnummer: - Start- / Endseite: - Identifikator: -