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Deceleration and cooling of heavy ion beams: The COLETTE project

✍ Scribed by M. Sewtz; C. Bachelet; N. Chauvin; C. Guénaut; E. Leccia; D. Le Du; D. Lunney

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
229 KB
Volume
240
Category
Article
ISSN
0168-583X

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✦ Synopsis

An ion beam cooler has been constructed to adapt the ISOLDE rare isotope beam emittance to the acceptance of the mass spectrometer MISTRAL, CERN. In a test experiment a Na + -beam was extracted out of the gas filled, linear Paul Trap with an emittance of 8p mm mrad at 6 keV. Near 100% transmission through a new electrostatic deceleration system was measured for a 30 keV He + -beam which was decelerated to a final energy of 10 eV. A method to determine the longitudinal energy spread of the decelerated beam as function of its initial emittance is discussed.

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