Beams Document 7040-v1

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Transverse Convective Instabilities of a Bunch with Space Charge

Document #:
Beams-doc-7040-v1
Document type:
Talk
Submitted by:
Rob Ainsworth
Updated by:
Rob Ainsworth
Document Created:
06 Mar 2019, 16:39
Contents Revised:
06 Mar 2019, 16:39
Metadata Revised:
28 Jun 2019, 17:01
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Abstract:
Although the space charge typically suppresses the transverse mode-coupling instability (TMCI), it does not mean that it stabilizes the beam. Suppressing TMCI, the space charge brings in a whole family of convective instabilities for the same beam and machine parameters. This new sort of instabilities will be introduced and generally described. They explain tail-dominating oscillations and weak dependence of the transverse stability threshold on space charge, observed at CERN SPS.
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