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MPINP:
Speichertechnik - Abteilung Blaum
Abstract:
This thesis reports on the finalization of the implementation and the first operation
of the low-energy electron cooler at the cryogenic storage ring CSR at
the Max-Planck-Institut für Kernphysik in Heidelberg. The operational system
of the CSR electron cooler was set up and commissioned. For this purpose, a
high-voltage platform has been build to control the electron beam optics. The
second cryogenic beam time (spring/summer 2017) of the CSR was used to show
for the first time longitudinal phase space cooling via electron cooling at an electrostatic
storage ring. Furthermore, betatron oscillations of a C−2 ion beam have
been observed allowing optimizations of the CSR’s injection which contributes to
the feasibility of merged-beam experiments with electrons. With this, the CSR
electron cooler is ready for quantum dynamical studies on dissociative electron
recombination in a cryogenic environment in the next beam time.
