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Marcel Mudrich

Laser cooling of fast stored ions in barrier buckets

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  • U. Eisenbarth, Max-Planck-Institut für Kernphysik
  • ,
  • B. Eike, Max-Planck-Institut für Kernphysik
  • ,
  • M. Grieser, Max-Planck-Institut für Kernphysik
  • ,
  • R. Grimm, Max-Planck-Institut für Kernphysik
  • ,
  • I. Lauer, Max-Planck-Institut für Kernphysik
  • ,
  • P. Lenisa, Max-Planck-Institut für Kernphysik
  • ,
  • V. Luger, Max-Planck-Institut für Kernphysik
  • ,
  • M. Mudrich
  • T. Schätz, Ludwig-Maximilians-University München
  • ,
  • U. Schramm, Ludwig-Maximilians-University München
  • ,
  • D. Schwalm, Max-Planck-Institut für Kernphysik
  • ,
  • M. Weidemüller, Max-Planck-Institut für Kernphysik

We apply novel bunch forms for efficient laser cooling of fast stored ion beams at the Heidelberg Test Storage Ring. 9Be+ ions are longitudinally confined in barrier buckets providing free motion of the cooled ions inside the bucket (quasi-coasting beam). The implementation of laser cooling in barrier buckets is described, and longitudinal dynamics of laser cooling is compared to electron cooling. With laser cooling, longitudinal temperatures far below 1 K are reached, corresponding to a momentum spread of Δp/p<10-6. When the thermal energy becomes sufficiently small, significant modifications of the ion distribution due to space-charge effects are observed.

OriginalsprogEngelsk
TidsskriftNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Vol/bind441
Nummer1
Sider (fra-til)209-218
Antal sider10
ISSN0168-9002
DOI
StatusUdgivet - 21 feb. 2000
Eksternt udgivetJa

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