The Miniball spectrometer

N. Warr, J. Van de Walle, M. Albers, F. Ames, B. Bastin, C. Bauer, V. Bildstein, A. Blazhev, S. Boenig, N. Bree, B. Bruyneel, P. A. Butler, J. Cederkall, E. Clement, T. E. Cocolios, T. Davinson, H. De Witte, P. Delahaye, D. D. DiJulio, J. DirikenJ. Eberth, A. Ekstrom, J. Elseviers, S. Emhofer, D. V. Fedorov, V. N. Fedosseev, S. Franchoo, C. Fransen, L. P. Gaffney, J. Gerl, G. Georgiev, R. Gernhaeuser, T. Grahn, D. Habs, H. Hess, A. M. Hurst, M. Huyse, O. Ivanov, J. Iwanicki, D. G. Jenkins, J. Jolie, N. Kesteloot, O. Kester, U. Koester, M. Krauth, T. Kroell, R. Kruecken, M. Lauer, J. Leske, K. P. Lieb, R. Lutter, L. Maier, B. A. Marsh, D. Muecher, M. Muench, O. Niedermaier, J. Pakarinen, M. Pantea, G. Pascovici, N. Patronis, D. Pauwels, A. Petts, N. Pietralla, R. Raabe, E. Rapisarda, P. Reiter, A. Richter, O. Schaile, M. Scheck, H. Scheit, G. Schrieder, D. Schwalm, M. Seidlitz, M. Seliverstov, T. Sieber, H. Simon, K. -H. Speidel, C. Stahl, I. Stefanescu, P. G. Thirolf, H. -G. Thomas, M. Thuerauf, P. Van Duppen, D. Voulot, R. Wadsworth, G. Walter, D. Weisshaar, F. Wenander, A. Wiens, K. Wimmer, B. H. Wolf, P. J. Woods, K. Wrzosek-Lipska, K. O. Zell

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The Miniball germanium detector array has been operational at the REX (Radioactive ion beam EXperiment) post accelerator at the Isotope Separator On-Line facility ISOLDE at CERN since 2001. During the last decade, a series of successful Coulomb excitation and transfer reaction studies have been performed with this array, utilizing the unique and high-quality radioactive ion beams which are available at ISOLDE. In this article, an overview is given of the technical details of the full Miniball setup, including a description of the γγ -ray and particle detectors, beam monitoring devices and methods to deal with beam contamination. The specific timing properties of the REX-ISOLDE facility are highlighted to indicate the sensitivity that can be achieved with the full Miniball setup. The article is finalized with a summary of some physics highlights at REX-ISOLDE and the utilization of the Miniball germanium detectors at other facilities.
Original languageEnglish
JournalEuropean Physical Journal A
Issue number3
Publication statusPublished - 12 Mar 2013


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