EPJ Web Conf.
Volume 134, 2017Subnuclear Structure of Matter: Achievements and Challenges
|Number of page(s)||29|
|Published online||26 January 2017|
Beam and spin dynamics in the fast ramping storage ring ELSA: Concepts and measures to increase beam energy, current and polarization
1 University of Bonn, Physics Institute, ELSA, Nussallee 12, D-53115 Bonn, Germany
2 Varian Medical Systems Particle Therapy GmbH, Mottmannstr. 2, D-53842 Troisdorf, Germany
3 TÜV Rheinland Industrie Service GmbH, Am Grauen Stein, D-51105 Köln, Germany
4 Fraunhofer-Institut fär Naturwissenschaftlich-Technische Trendanalysen, Appelsgarten 2, D-53879 Euskirchen, Germany
5 Karlsruhe Institute of Technology, LAS, Kaiserstraße 12, D-76131 Karlsruhe, Germany
6 TÜV Nord EnSys GmbH & Co. KG, Große Bahnstraße 1, D-22525 Hamburg, Germany
* e-mail: email@example.com
Published online: 26 January 2017
The electron accelerator facility ELSA has been operated for almost 30 years serving nuclear physics experiments investigating the sub-nuclear structure of matter. Within the 12 years funding period of the collaborative research center SFB/TR 16, linearly and circularly polarized photon beams with energies up to more than 3 GeV were successfully delivered to photoproduction experiments. In order to fulfill the increasing demands on beam polarization and intensity, a comprehensive research and upgrade program has been carried out. Beam and spin dynamics have been studied theoretically and experimentally, and sophisticated new devices have been developed and installed. The improvements led to a significant increase of the available beam polarization and intensity. A further increase of beam energy seems feasible with the implementation of superconducting cavities.
© The Authors, published by EDP Sciences, 2017
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