LNLS - Laboratório Nacional de Luz Síncrotron

Sirius Project

Sirius: The new Brazilian synchrotron light source

LNLS is currently engaged in the development and construction of Sirius, a new 3 GeV synchrotron light source, designed to be one of the most advanced in the world.

Its ultra-low emittance (0.28 nm.rad) and high brightness will allow the execution of very competitive experiments, opening new perspectives for research in fields such as material science, structural biology, nanoscience, physics, earth and environmental science, cultural heritage, among many others.

Sirius will be located inside CNPEM campus, next to the UVX current storage ring building (see the location here).

For Latin America, the construction of Sirius represents a major leap into the future of synchrotron science.

Sirius main parameters

Electrons energy3 GeV
Circumference518.2 m
Natural emittance without IDs0.28 nm.rad
Maximum current500 mA
RF frequency500 MHz
Harmonic number864
Bending fields (dipoles/superbends)0.58/1.95 T
Critical energy from “superbends”11.7 keV
Straight sections10 x 7 m and 10 x 6 m

Folow-up of the Sirius Project presented at the 23th RAU

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