Speaker
Chuan Zhang
(GSI Helmholtz Centre for Heavy Ion Research)
Description
A 1–2 GHz stochastic cooling system is being de-veloped to provide fast 3D cooling of hot secondary beams (antiprotons at 3 GeV and rare isotope ions at 740 MeV/u) at intensities up to 10^8 particles per cycle. For antiproton cooling, cryogenic plunging pick-up electrodes will be used to improve the ratio of Schott-ky signals to thermal noise. To cool hot rare isotope beams quickly, a two-stage cooling (pre-cooling by the Palmer method and main cooling by the notch-filter method) has been decided. This paper presents the recent R&D highlights of this unique stochastic cool-ing system especially the main sub-systems i.e. two cryogenic plunging slotline pick-ups, one Palmer pick-up, and two slot-ring kickers.
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Author
Chuan Zhang
(GSI Helmholtz Centre for Heavy Ion Research)
Co-authors
Axel Bardonner
(GSI Helmholtz Centre for Heavy Ion Research)
Roland Böhm
(GSI Helmholtz Centre for Heavy Ion Research)
Bernd Breitkreutz
(GSI Helmholtz Centre for Heavy Ion Research)
Christina Dimopoulou
(GSI Helmholtz Centre for Heavy Ion Research)
Frank Esser
(Forschungszentrum Jülich)
Oleksii Gorda
(GSI Helmholtz Centre for Heavy Ion Research)
Ralf Greven
(Forschungszentrum Jülich)
Rainer Hettrich
(GSI Helmholtz Centre for Heavy Ion Research)
Claudius Peschke
(GSI Helmholtz Centre for Heavy Ion Research)
Rolf Stassen
(Forschungszentrum Jülich)
Alexander Stuhl
(GSI Helmholtz Centre for Heavy Ion Research)
Stefan Wunderlich
(GSI Helmholtz Centre for Heavy Ion Research)
Herbert Schneider
(Forschungszentrum Jülich)
