Acceleration of polarized deuteron beams with RIBF cyclotrons

N. Sakamoto, N. Fukunishi, M. Kase, K. Suda, K. Sekiguchi

研究成果: Conference contribution

抄録

We have recently performed experiments with polarized deuteron beams at the Radioactive Isotope Beam Factory (RIBF). Tensor- and vector-polarized deuterons were produced using the RIKEN polarized ion source (PIS) [1], which is an atomic-beam-type ion source equipped with an electron cyclotron resonance (ECR) ionizer, and were accelerated to 190 MeV/u, 250 MeV/u, and 300 MeV/u with a cyclotron cascade. To measure the various spin observables, the spin orientation of the deuteron beams was freely directed by using a Wien filter. The advantage of this method is that since the velocity of the deuteron is low the size of a magnet required for the spin rotation is very compact. On the other hand it is crucial to realize strict single-turn extraction for each cyclotron because the cyclotron magnetic field causes precession of the deuteron spin resulting in a deviation between its spin orientation and the beam propagation direction. This paper describes the acceleration of the polarized deuteron beams by the RIBF accelerators and the method to confirm single-turn extraction.

本文言語English
ホスト出版物のタイトルCYC 2016 - Proceedings of the 21st International Conference on Cyclotrons and their Applications
出版社Joint Accelerator Conferences Website (JACoW)
ページ145-148
ページ数4
ISBN(電子版)9783954501670
出版ステータスPublished - 2016
イベント21st International Conference on Cyclotrons and their Applications, CYC 2016 - Zurich, Switzerland
継続期間: 2016 9 112016 9 16

出版物シリーズ

名前CYC 2016 - Proceedings of the 21st International Conference on Cyclotrons and their Applications

Conference

Conference21st International Conference on Cyclotrons and their Applications, CYC 2016
国/地域Switzerland
CityZurich
Period16/9/1116/9/16

ASJC Scopus subject areas

  • 原子分子物理学および光学

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