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          Institute: MPI für Kernphysik     Collection: Nuclear Physics and Nuclear Probes     Display Documents

ID: 51145.0, MPI für Kernphysik / Nuclear Physics and Nuclear Probes
Miniball: A Gamma-Ray Spectrometer With Position-Sensitive Ge Detectors For Nuclear Structure Studies At REX-ISOLDE
Authors:Eberth, J.; Pascovici, G.; Thomas, H. G.; Warr, N.; Weißhaar, D.; Habs, D.; Reiter, P.; Thirolf, P.; Schwalm, D.; Gund, C.; Scheit, H.; Lauer, M.; Van Duppen, P.; Franchoo, S.; Huyse, M.; Lieder, R. M.; Gast, W.; Gerl, J.; Lieb, K. P.
Publisher:American Institute of Physics
Place of Publication:Melville, NY
Date of Publication (YYYY-MM-DD):2003
Title of Proceedings:Frontiers of nuclear structure : Berkeley, California 29 July - 2 August 2002
Start Page:349
End Page:356
Title of Series:AIP conference proceedings
Name of Conference/Meeting:Conference on Frontiers of Nuclear Structure
Place of Conference/Meeting:Berkeley
(Start) Date of Conference/Meeting
End Date of Conference/Meeting 
Copyright:©2003 American Institute of Physics
Review Status:not specified
Audience:Experts Only
Abstract / Description:Miniball is a dedicated Ge detector array which has been developed for the investigation of rare decays at the new radioactive beam facility REX-ISOLDE [1, 2] at CERN. The array is optimised for high full-energy peak efficiency and for high granularity needed to perform Doppler corrections of -rays emitted by fast moving nuclei. Miniball will finally consist of 40 six-fold segmented, encapsulated detectors which are clustered in eight cryostats with three detectors each and four cryostats with four detectors, respectively. It is shown that from an analysis of the pulse shapes and of the amplitudes of the mirror charges in the adjacent segments the effective granularity of Miniball can be enhanced from 240 to 4000. The properties of Miniball are compiled on the basis of experimental data. Examples of the first data measured with Miniball are presented.
External Publication Status:published
Document Type:Conference-Paper
Affiliations:MPI für Kernphysik/Group D. Schwalm/Nuclear Gamma-Ray Spectroscopy (H. Scheit)
External Affiliations:Institut für Kernphysik, Universität zu Köln, D-50937 Köln, Germany
Ludwig-Maximilian-Universität München, D-85748 Garching, Germany
Instituut voor Kern- en Stralingsfysica, University of Leuven, B-3001 Leuven, Belgium
Institut für Kernphysik, Forschungszentrum Jülich, D-52425 Jülich, Germany
Gesellschaft für Schwerionenforschung, D-64220 Darmstadt, Germany
II. Physikalisches Institut, Universität Göttingen, D-37073 Göttingen, Germany
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