Journal
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY
Volume 396, Issue -, Pages 1-4Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijms.2015.11.011
Keywords
Beam handling; Beam transport; Particle beam shaping
Funding
- Max-Planck-Society
- Max-Planck-Forderstiftung
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The decay of ion-bunches stored in the self-bunching mode of an electrostatic ion beam trap (EIBT) has been investigated as a function of the number of injected ions with the Cryogenic Trap for Fast ion beams (CTF) located at the Max Planck Institute for Nuclear Physics in Heidelberg. By use of the pickup-electrode signal the dependence of the characteristic bunch-spreading time tau, i.e. the time in which the bunch width increases by one third, on the number of injected ions is determined. For F- ions with an initial bunch length of 2.7 mu s the spreading times are observed to increase approximately linearly with the number of injected ions and to reach a constant value of similar to 10 s for ion numbers larger than 4 x 10(5). (C) 2015 Elsevier B.V. All rights reserved.
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