Alternate Lattice Design for Advanced Photon Source Multi-Bend Achromat Upgrade

Conference · Thu Jan 01 00:00:00 EST 2015

OSTI ID:1335916

Sun, Yipeng; Borland, Michael

A 67-pm hybrid-seven-bend achromat (H7BA) lattice is proposed for a futureAdvanced Photon Source (APS)multibend- achromat (MBA) upgrade. This lattice requires use of a swap-out (on-axis) injection scheme. Alternate lattice design work has also been performed to achieve better beam dynamics performance than the nominal APS MBA lattice, in order to allow beam accumulation. One of such alternate H7BA lattice designs, which still targets a very low emittance of 76 pm, is discussed in this paper. With these lattices, existing APS injector complex can be employed without the requirement of a very high charge operation. Studies show that an emittance below 76 pm can be achieved with the employment of reverse bends in an alternate lattice. We discuss the predicted performance and requirements for these lattices and compare them to the nominal lattice.

• Research Organization: Argonne National Lab. (ANL), Argonne, IL (United States)
• Sponsoring Organization: USDOE Office of Science (SC), Basic Energy Sciences (BES)
• DOE Contract Number: AC02-06CH11357
• OSTI ID: 1335916
• Resource Relation: Conference: 6th International Particle Accelerator Conference (IPAC 2015), 05/03/15 - 05/08/15, Richmond, VA
• Country of Publication: United States
• Language: English