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Berlin 2005 – scientific programme

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HK: Physik der Hadronen und Kerne

HK 22: Postersitzung

HK 22.34: Poster

Monday, March 7, 2005, 16:30–18:00, TU MA141

Stopping and cooling of fusion reaction products with buffer gas cells* — •J.B. Neumayr1, L. Beck1, D. Habs1, S. Heinz1, J. Szerypo1, P.G. Thirolf1, V. Varentsov1, F. Voit1, M. Block2, S. Eliseev2, H.-J. Kluge2, M. Mukherjee2, W. Quint2, S. Rahaman2, C. Rauth2, D. Rodriguez2, G. Sikler2, C. Weber2, W. Plass3, and Z. Wang31Ludwig-Maximilians-Universität München — 2GSI, Darmstadt — 3Justus-Liebig-Universität Giessen

High precision measurements of reaction products in trap systems like SHIPTRAP at GSI require an efficient way of stopping and cooling the energetic ions prior to their injection into the trap. This can be achieved with buffer gas cells. The combination of buffer gas cell and extraction RFQ for the SHIPTRAP facility at GSI was designed and characterized at the MLL (Maier-Leibnitz-Labor) in Garching with a stopping and extraction efficiency (4-8%) that enabled first successful high precision mass measurements at SHIPTRAP. An improved buffer gas cell is presently set up at the MLL, representing the base for further optimizations of the cell performance also at SHIPTRAP as well as for experiments at the MLLTRAP facility in Garching [1]. [1] J. Szerypo et al., Nucl. Instr. Meth. B204, 512 (2003)
* Supported by the BMBF and GSI

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