Spin Coherence and Betatron Chromaticity of Deuteron Beam in “Quasi-Frozen” Spin Regime

A distinctive feature of the “quasi-frozen” spin mode in the synchrotron is the installation of special elements with crossed magnetic and electric fields in straight sections that compensate the spin rotation from the MDM components on the arcs. Moreover, because of the presence of the longitudinal...

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Bibliographic Details
Published in:Physics of atomic nuclei 2023-12, Vol.86 (12), p.2684-2688
Main Authors: Kolokolchikov, S., Aksentiev, A., Melnikov, A., Senichev, Yu
Format: Article
Language:English
Subjects:
Chromaticity
Deuterons
Electric arcs
Electric fields
Ion beams
Particle Accelerators for Nuclear Technologies
Particle and Nuclear Physics
Physics
Physics and Astronomy
Rotation
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Summary:A distinctive feature of the “quasi-frozen” spin mode in the synchrotron is the installation of special elements with crossed magnetic and electric fields in straight sections that compensate the spin rotation from the MDM components on the arcs. Moreover, because of the presence of the longitudinal length and the momentum spread inside the beam, spin rotation may occur incoherently. In order to suppress this effect, sextupoles are installed, which also affect suppression of chromaticity.
ISSN:1063-7788
1562-692X
DOI:10.1134/S106377882311025X