Production chain of isotopically modified ge-diodes for the 2β0ν-search with GERDA

Author

Grabmayr, Peter ; Baudis, Laura ; Caldwell, Allen ; Cattadori, Carla ; Hult, Mikael ; Jochum, Josef ; Kornoukhov, Vassily ; Schönert, Stefan ; Zuber, Kai

Author_Institution

Eberhard Karls Univ., Tubingen, Germany

fYear

2009

fDate

Oct. 24 2009-Nov. 1 2009

Firstpage

1758

Lastpage

1760

Abstract

The procurement of germanium-oxide (GeO₂) depleted in ⁷⁶Ge is presented. The quality control, the reduction and zone refinement as well as crystal pulling is described as new detection systems must be explored in order to reach the needs of modern rare event searches. The experiment GERDA aims at the detection of neutrinoless double beta (2β0ν) decay. The depleted germanium project aims at the demonstration that working BEGe detectors can be produced based on a realistic material supply chain maximizing the Ge-metal to Ge-diode yield in an optimal usage of the expensive isotopically modified material.

Keywords

double beta decay; germanium radiation detectors; 2β0ν-search; BEGe detectors; GERDA; crystal pulling; germanium oxide; isotopically modified Ge-diodes; neutrinoless double beta decay; production chain; quality control; zone refinement; Detectors; Diodes; Electrons; Germanium; Laboratories; Liquefied natural gas; Mesons; Neutrino sources; Production; Radioactive decay;

fLanguage

English

Publisher

ieee

Conference_Titel

Nuclear Science Symposium Conference Record (NSS/MIC), 2009 IEEE

Conference_Location

Orlando, FL

ISSN

1095-7863

Print_ISBN

978-1-4244-3961-4

Electronic_ISBN

1095-7863

Type

conf

DOI

10.1109/NSSMIC.2009.5402216

Filename

5402216