Berlin 2005 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 22: Postersitzung

HK 22.42: Poster

Montag, 7. März 2005, 16:30–18:00, TU MA141

Development of High Density Cluster-Jet-Targets for Storage Ring Experiments — •Alexander Täschner, Alfons Khoukaz, Hans-Werner Ortjohann, and Tobias Rausmann — Institut für Kernphysik, Universität Münster, D-48149 Münster

Cluster-jet-targets are sucessfully in operation for many years as internal targets for storage ring experiments. Main advantages of this windowless type of target are a density distribution which is homogeneous and constant in space and time, an extreme high purity of the target beams and an easy possibility to adjust the density and therefore the luminosity of the experiment by orders of magnitude.

However, in order to utilize these advantages for new types of detector systems in 4π-geometry like the PANDA detector at the upcoming FAIR at GSI, cluster-jet sources have to be improved with respect to the maximum target density to allow for highest luminosities in combination with larger distances between the cluster source and the interaction region.

For this purpose a cluster-jet target station has been build up at the University of Münster which covers the required spatial requirements of a future 4π-detection system. This target station allows for systematic studies on the production of high-density cluster-jet beams. First results of our studies as well as an outlook on further promising modifications will be presented.

^* Work supported by EU