Dresden 2011 – scientific programme

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VA: Fachverband Vakuumphysik und Vakuumtechnik

VA 1: Cryogenic Vacuum Pumping

VA 1.2: Talk

Monday, March 14, 2011, 10:40–11:00, HSZ 101

The cryogenic vacuum system of SIS100 at FAIR — •Stefan Wilfert, Andreas Krämer, Holger Kollmus, Lars Bozyk, Hartmut Reich-Sprenger, Egbert Fischer, Anna Mierau, Seong Yeub Shim, and Jan-Patrick Meier — GSI Helmholtzzentrum für Schwerionenforschung mbH, Planckstr. 1, 64291 Darmstadt, Germany

FAIR, Facility for Antiproton and Ion Research, is a new international accelerator facility for the research with antiprotons and ions. The accelerator complex will be built in Darmstadt (Germany) in cooperation with an international community of countries and scientists. The synchrotron SIS100 is the main working horse of the facility. This synchrotron, presently in its advanced planning phase at GSI, is designed for acceleration of high intensity, low charge state heavy ion and proton beams. The machine will have a circumference of about 1.1 km and utilise fast-ramped superconducting magnets. For this reason, about 80% of the whole beam pipe vacuum will be operated at cryogenic temperatures. In these cold sections, the cooling of the beam guidance magnets will be used simultaneously for cryopumping the beam pipes. We present an overview on the infrastructure of the cryogenic beam vacuum system of SIS100 and discuss some design details and special features.