欧洲同步辐射设施极亮光源的离能运行

IF 1.5 3区物理与天体物理 Q3 PHYSICS, NUCLEAR Physical Review Accelerators and Beams Pub Date : 2024-05-28 DOI:10.1103/physrevaccelbeams.27.051601

L. Valle, T. Brochard, N. Carmignani, L. R. Carver, J. Chavanne, F. Ewald, G. Le Bec, S. M. Liuzzo, T. Perron, J. Reyes-Herrera, P. Raimondi, K. Scheidt, R. Versteegen, J. Wade, S. White

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引用次数: 0

摘要

欧洲同步辐射设施极灿烂光源（ESRF-EBS）是首个使用混合多弯消色差晶格的第四代 6 GeV 储存环（SR）光源，其自然水平发射率达到 140 pm rad。此外，降低水平发射率将为 EBS 用户提供更明亮、更高质量的光子源。实现这一目标的方法之一是使 SR 脱离能量运行。第一种方法是将电子束能量降低-1%，从而获得 121 pm rad 的自然水平发射率。为了满足运行要求，必须重新匹配整个环，包括线性光学校正中的四极和六极。然后在 SR 中对非能量设置进行寿命、注入效率和可操作性方面的测试。

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Off-energy operation for the Extremely Brilliant Source at the European Synchrotron Radiation Facility

The European Synchrotron Radiation Facility Extremely Brilliant Source (ESRF-EBS) is the first fourth generation 6 GeV storage ring (SR) light source making use of the hybrid multibend achromat lattice, reaching a natural horizontal emittance of 140 pm rad. Further, reducing the horizontal emittance would provide a more brilliant and a higher quality photon source for the EBS users. One way of achieving this is to operate the SR off-energy. The first approach reduces the electron beam energy by

- 1 %

, which gives a 121 pm rad natural horizontal emittance. To fulfill operation requirements, the full ring had to be rematched, including both the quadrupoles and the sextupoles in the linear optics correction. The off-energy settings are then tested in the SR in terms of lifetime, injection efficiency, and operability.

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来源期刊

Physical Review Accelerators and Beams Physics and Astronomy-Surfaces and Interfaces

CiteScore

3.90

自引率

23.50%

发文量

158

审稿时长

23 weeks

期刊介绍： Physical Review Special Topics - Accelerators and Beams (PRST-AB) is a peer-reviewed, purely electronic journal, distributed without charge to readers and funded by sponsors from national and international laboratories and other partners. The articles are published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. It covers the full range of accelerator science and technology; subsystem and component technologies; beam dynamics; accelerator applications; and design, operation, and improvement of accelerators used in science and industry. This includes accelerators for high-energy and nuclear physics, synchrotron-radiation production, spallation neutron sources, medical therapy, and intense-beam applications.