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Double-double bend achromat cell upgrade at the Diamond Light Source: From design to commissioning

DOI: 10.1103/PhysRevAccelBeams.21.050701 DOI Help

Authors: R. Bartolini (Diamond Light Source; John Adams Institute, University of Oxford) , C. Abraham (Diamond Light Source) , M. Apollonio (Diamond Light Source) , C. P. Bailey (Diamond Light Source) , M. P. Cox (Diamond Light Source) , A. Day (Diamond Light Source) , R. T. Fielder (Diamond Light Source) , N. P. Hammond (Diamond Light Source) , M. T. Heron (Diamond Light Source) , R. Holdsworth (Diamond Light Source) , J. Kay (Diamond Light Source) , I. P. S. Martin (Diamond Light Source Ltd.) , S. Mhaskar (Diamond Light Source) , A. Miller (Diamond Light Source) , T. Pulampong (Diamond Light Source) , G. Rehm (Diamond Light Source) , E. C. M. Rial (Diamond Light Source) , A. Rose (Diamond Light Source) , A. Shahveh (Diamond Light Source) , B. Singh (Diamond Light Source) , A. Thomson (Diamond Light Source) , R. P. Walker (Diamond Light Source)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Physical Review Accelerators And Beams , VOL 21

State: Published (Approved)
Published: May 2018

Open Access Open Access

Abstract: Diamond has recently successfully commissioned a major change in the lattice consisting of the substitution of a standard double-bend achromat (DBA) cell with a modified four-bend achromat (4BA) cell called “double-double bend achromat” (DDBA). This work stems from the original studies initiated in 2012 towards a Diamond upgrade and provides the benefit of an additional straight section in the ring available for insertion devices. This paper reviews the DDBA design and layout, the implications for technical subsystems, the associated engineering challenges and the main results of the commissioning completed in April 2017.

Subject Areas: Technique Development


Technical Areas: Diagnostics , Magnets , Mechanical Engineering , Optics , Vacuum

Documents:
PhysRevAccelBeams.21.pdf