Investigation of the heavy-ion mode in the FAIR High Energy Storage Ring. (26th November 2015)

• Record Type: Journal Article
• Authors: Kovalenko, O; Dolinskii, O; Litvinov, Yu A; Maier, R; Prasuhn, D; Stöhlker, T
• Is Part Of: Physica scripta. Volume T166(2015:Nov.)
• Publication Date: 2015-11-26
• Subjects: high energy storage ring -- ion optics -- dynamic aperture; Physics -- Periodicals; 530.05
• DOI: 10.1088/0031-8949/2015/T166/014042
• Languages: English
• ISSNs: 0031-8949

Abstract

Abstract: High energy storage ring (HESR) as a part of the future accelerator facility FAIR (Facility for Antiproton and Ion Research) will serve for a variety of internal target experiments with high-energy stored heavy ions (SPARC collaboration). Bare uranium is planned to be used as a primary beam. Since a storage time in some cases may be significant—up to half an hour—it is important to examine the high-order effects in the long-term beam dynamics. A new ion optics specifically for the heavy ion mode of the HESR is developed and is discussed in this paper. The subjects of an optics design, tune working point and a dynamic aperture are addressed. For that purpose nonlinear beam dynamics simulations are carried out. Also a flexibility of the HESR ion optical lattice is verified with regard to various experimental setups. Specifically, due to charge exchange reactions in the internal target, secondary beams, such as hydrogen-like and helium-like uranium ions, will be produced. Thus the possibility of separation of these secondary ions and the primary beam is presented with different internal target locations.