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  Accelerated radioactive beams from REX-ISOLDE

Kester, O., Sieber, T., Emhofer, S., Ames, F., Reisinger, K., Reiter, P., et al. (2003). Accelerated radioactive beams from REX-ISOLDE. 14th International Conference on Electromagnetic Isotope Separators and Techniques Related to their Applications, 20-30.

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Kester, O.1, Author
Sieber, T.2, Author           
Emhofer, S.1, Author
Ames, F.1, Author
Reisinger, K.1, Author
Reiter, P.2, Author           
Thirolf, P. G.1, Author
Lutter, R.1, Author
Habs, D.1, Author
Wolf, B. H.1, Author
Huber, G.1, Author
Schmidt, P.1, Author
Ostrowski, A. N.1, Author
von Hahn, R.2, Author           
Repnow, R.2, Author           
Fitting, J.3, Author           
Lauer, M.3, Author           
Scheit, H.3, Author           
Schwalm, D.3, Author           
Podlech, H.3, Author           
Schempp, A.1, AuthorRatzinger, U.1, AuthorForstner, O.1, AuthorWenander, F.1, AuthorCederkäll, J.1, AuthorNilsson, T.1, AuthorLindroos, M.1, AuthorFynbo, H.1, AuthorFranchoo, S.1, AuthorBergmann, U.1, AuthorOinonen, M.1, AuthorÄystö, J.1, AuthorVan Den Bergh, P.1, AuthorVan Duppen, P.1, AuthorHuyse, M.1, AuthorWarr, N.1, AuthorWeisshaar, D.1, AuthorEberth, J.1, AuthorJonson, B.1, AuthorNyman, G.1, AuthorPantea, M.1, AuthorSimon, H.1, AuthorShrieder, G.1, AuthorRichter, A.1, AuthorTengblad, O.1, AuthorDavinson, T.1, AuthorWoods, P. J.1, AuthorBollen, G.1, AuthorWeissmann, L.1, AuthorLiljeby, L.1, AuthorRensfelt, K. G.1, Author more..
1Ludwig Maximilians Universität München and the MLL München, Am Coulombwall 1, D-85748 Garching, Germany b Johannes-Gutenberg-Universität, D-55099 Mainz, Germany c MPI für Kernphysik, Postfach 103980, D-69029 Heidelberg, Germany d Johann Wolfgang Goethe-Universität Frankfurt, Robert-Mayer-Str. 2-4, D-60325 Frankfurt, Germany e CERN, CH-1211 Geneva 23, Switzerland f K.U. Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium g Institut für Kernphysik, Universität Köln, Zülpicher Str. 77, D-50937 Köln, Germany h Chalmers University of Technology, Gothenburg, Sweden i TU Darmstadt, Schlossgartenstr. 9, D-64289 Darmstadt, Germany j CSIC, C/Serrano 121, E-28006 Madrid, Spain k University of Edinburgh, GB-Edinburgh EH9 3JZ, Scotland, UK l NSCL, Michigan State University, East Lansing, MI 48824, USA m Manne Siegbahn Laboratory, Frescativägen 24, S-10405, Stockholm, Sweden, ou_persistent22              
2Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
3Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907546              


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 Abstract: In 2001 the linear accelerator of the Radioactive beam EXperiment (REX-ISOLDE) delivered for the first time accelerated radioactive ion beams, at a beam energy of 2 MeV/u. REX-ISOLDE uses the method of charge-state breeding, in order to enhance the charge state of the ions before injection into the LINAC. Radioactive singly-charged ions from the on-line mass separator ISOLDE are first accumulated in a Penning trap, then charge bred to an A/q<4.5 in an electron beam ion source (EBIS) and finally accelerated in a LINAC from 5 keV/u to energies between 0.8 and 2.2 MeV/u. Dedicated measurements with REXTRAP, the transfer line and the EBIS have been carried out in conjunction with the first commissioning of the accelerator. Thus the properties of the different elements could be determined for further optimization of the system. In two test beam times in 2001 stable and radioactive Na isotopes (23Na-26Na) have been accelerated and transmitted to a preliminary target station. There 58Ni- and 9Be- and 2H-targets have been used to study exited states via Coulomb excitation and neutron transfer reactions. One MINIBALL triple cluster detector was used together with a double sided silicon strip detector to detect scattered particles in coincidence with -rays. The aim was to study the operation of the detector under realistic conditions with -background from the -decay of the radioactive ions and from the cavities. Recently for efficient detection eight tripple Ge-detectors of MINIBALL and a double sided silicon strip detector have been installed. We will present the first results obtained in the commissioning experiments and will give an overview of realistic beam parameters for future experiments to be started in the spring 2002.


Language(s): eng - English
 Dates: 2003
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 51042
 Degree: -



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Source 1

Title: 14th International Conference on Electromagnetic Isotope Separators and Techniques Related to their Applications
Source Genre: Issue
Publ. Info: -
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 20 - 30 Identifier: -

Source 2

Title: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
  Alternative Title : Nucl. Inst. Meth. B
Source Genre: Journal
Publ. Info: -
Pages: - Volume / Issue: 204 Sequence Number: - Start / End Page: - Identifier: -