Spin response function technique in spin-transparent synchrotrons

Y. N. Filatov; A. M. Kondratenko; M. A. Kondratenko; Y. S. Derbenev; V. S. Morozov; A. D. Kovalenko

doi:10.1140/epjc/s10052-020-8344-5

Spin response function technique in spin-transparent synchrotrons

Y. N. Filatov, A. M. Kondratenko, M. A. Kondratenko, Y. S. Derbenev, V. S. Morozov, A. D. Kovalenko

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Small perturbative fields in a synchrotron influence both the spin and orbital motion of a stored beam. Their effect on the beam polarization consists of two contributions, a direct kick and an effect of the ring lattice due to orbit perturbation. Spin response function is an analytic technique to account for both contributions. We develop such a technique for the spin-transparent synchrotrons where the design spin motion is degenerate. Several perspective applications are illustrated or discussed. In particular, we consider the questions of the influence of lattice imperfections on the spin dynamics and spin manipulation during an experiment. The presented results are of a direct relevance to NICA (JINR), RHIC (BNL), EIC (BNL) and other existing and future colliders when they arranged with polarization control in the spin-transparent mode.

Original language	English
Article number	778
Journal	European Physical Journal C
Volume	80
Issue number	8
DOIs	https://doi.org/10.1140/epjc/s10052-020-8344-5
State	Published - Aug 1 2020
Externally published	Yes

Funding

This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics under Contract No. DE-AC05-06OR23177. This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics under Contract No. DE-AC05-06OR23177.

Funders	Funder number
Office of Nuclear Physics
U.S. Department of Energy
Office of Science
Nuclear Physics	DE-AC05-06OR23177

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title = "Spin response function technique in spin-transparent synchrotrons",

abstract = "Small perturbative fields in a synchrotron influence both the spin and orbital motion of a stored beam. Their effect on the beam polarization consists of two contributions, a direct kick and an effect of the ring lattice due to orbit perturbation. Spin response function is an analytic technique to account for both contributions. We develop such a technique for the spin-transparent synchrotrons where the design spin motion is degenerate. Several perspective applications are illustrated or discussed. In particular, we consider the questions of the influence of lattice imperfections on the spin dynamics and spin manipulation during an experiment. The presented results are of a direct relevance to NICA (JINR), RHIC (BNL), EIC (BNL) and other existing and future colliders when they arranged with polarization control in the spin-transparent mode.",

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AU - Filatov, Y. N.

AU - Kondratenko, A. M.

AU - Kondratenko, M. A.

AU - Derbenev, Y. S.

AU - Morozov, V. S.

AU - Kovalenko, A. D.

PY - 2020/8/1

Y1 - 2020/8/1

N2 - Small perturbative fields in a synchrotron influence both the spin and orbital motion of a stored beam. Their effect on the beam polarization consists of two contributions, a direct kick and an effect of the ring lattice due to orbit perturbation. Spin response function is an analytic technique to account for both contributions. We develop such a technique for the spin-transparent synchrotrons where the design spin motion is degenerate. Several perspective applications are illustrated or discussed. In particular, we consider the questions of the influence of lattice imperfections on the spin dynamics and spin manipulation during an experiment. The presented results are of a direct relevance to NICA (JINR), RHIC (BNL), EIC (BNL) and other existing and future colliders when they arranged with polarization control in the spin-transparent mode.

AB - Small perturbative fields in a synchrotron influence both the spin and orbital motion of a stored beam. Their effect on the beam polarization consists of two contributions, a direct kick and an effect of the ring lattice due to orbit perturbation. Spin response function is an analytic technique to account for both contributions. We develop such a technique for the spin-transparent synchrotrons where the design spin motion is degenerate. Several perspective applications are illustrated or discussed. In particular, we consider the questions of the influence of lattice imperfections on the spin dynamics and spin manipulation during an experiment. The presented results are of a direct relevance to NICA (JINR), RHIC (BNL), EIC (BNL) and other existing and future colliders when they arranged with polarization control in the spin-transparent mode.

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Spin response function technique in spin-transparent synchrotrons

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