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Transverse electron cooling of heavy molecular ions

MPG-Autoren
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Krantz,  C.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Grieser,  M.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Lestinky,  M.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Novotny,  O.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Novotny,  S.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Orlov,  D. A.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Repnow,  R.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Wolf,  A
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

Externe Ressourcen

https://journals.aps.org/prab/pdf/10.1103/PhysRevAccelBeams.24.050101
(Verlagsversion)

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Zitation

Krantz, C., Buhr, H., Grieser, M., Lestinky, M., Novotny, O., Novotny, S., et al. (2021). Transverse electron cooling of heavy molecular ions. Physical Review Accelerators and Beams, 24(5): 050101. doi:10.1103/PhysRevAccelBeams.24.050101.


Zitierlink: https://hdl.handle.net/21.11116/0000-0008-761A-7
Zusammenfassung
Transverse electron cooling of heavy molecular ions has been studied at the Test Storage Ring (TSR). Electron beams from a cold GaAs:(Cs,O) photocathode, with kinetic energies down to 31 eV, have been used for cooling of singly-charged ions of masses up to 41 u. We believe that these are the heaviest singly-charged ions for which successful electron cooling has been reported so far. Transverse ion-beam emittances ≪1  μm were reached after typically several seconds of cooling time. The measured transverse cooling rates agree with a simple binary-collision model, assuming a transverse electron temperature of approximately 1  meV/kB. The results serve as benchmark for electron cooling at the new Cryogenic Storage Ring, which uses the same photocathode electron source and is targeting singly-charged ions of even higher mass