7–12 May 2023
Venice, Italy
Europe/Zurich timezone

Spin coherence and betatron chromaticity of deuteron beam in NICA storage ring

MOPA070
8 May 2023, 16:30
2h
Salone Adriatico

Salone Adriatico

Poster Presentation MC1.A24: Accelerators and Storage Rings, Other Monday Poster Session

Speaker

Mr Sergey Kolokolchikov (International Union of Pure and Applied Physics)

Description

The possibility of spin control for dEDM experiment can be done by setting Wien Filters in straight section, which ensure that the particles spin retains mean direction in accordance with «Quasi-Frozen Spin» mode. However, the spin of different particles, due to their different motion in 3D space, in any case rotates with slightly different frequencies around the invariant axis, which one violates spin coherence. To ensure spin coherence, nonlinear elements, sextupoles, with a special placement on arcs must be used. Since sextupoles simultaneously affects the betatron chromaticity, we consider this complicated case.

Funding Agency

The Russian Science Foundation grant 22-42-04419

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Primary authors

Mr Sergey Kolokolchikov (International Union of Pure and Applied Physics) Alexander Aksentyev (National Research Nuclear University) Aleksei Melnikov (Russian Academy of Sciences) Yury Senichev (Russian Academy of Sciences)

Presentation materials

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