Sirius: A 5BA Low-Emittance Lattice with Superbends for the New Brazilian Synchrotron Light Source

Starting in the late 1980s and into the 1990s, Brazil developed its own technology for the production of synchrotron light, designing and building UVX, a light source based on a 1.37 GeV electron storage ring with a circumference of 93 m and natural emittance of 100 nm.rad [ 1 ]. Over more than 15 y...

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Bibliographic Details
Published in:Synchrotron radiation news 2013-05, Vol.26 (3), p.34-38
Main Authors: Liu, L., Resende, X. R., Rodrigues, A. R. D., Sá, F. H., Westfahl, H.
Format: Article
Language:English
Subjects:
Accelerators
Brazil
Circumferences
Communities
Diodes
Emittance
Light
Light sources
Synchrotron radiation
Synchrotrons
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Summary:Starting in the late 1980s and into the 1990s, Brazil developed its own technology for the production of synchrotron light, designing and building UVX, a light source based on a 1.37 GeV electron storage ring with a circumference of 93 m and natural emittance of 100 nm.rad [ 1 ]. Over more than 15 years of routine operation for users, the expansion capabilities for this light source, either in terms of new beamlines or upgrades to its accelerators, have reached fundamental limits that can no longer be overcome. The first discussions about a new low-emittance light source for Brazil started in 2006 among the scientific and accelerator communities during the 16 th LNLS Annual Users Meeting. In November 2008, a decision by the Brazilian Federal Government was taken to fund preliminary studies for this new source, leading to the final decision to fund the whole project in 2011. The proposed new synchrotron light source, Sirius, is based on a 3 GeV electron storage ring with a circumference of 518 m, a natural emittance of 0.28 nm.rad, and a total of 20 straight sections, of which 18 are for insertion devices. The new facility is being built at the same LNLS site as shown in Figure 1 .
ISSN:0894-0886
1931-7344
DOI:10.1080/08940886.2013.791215