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The fourth call for proposals for research at Sirius will run from June 3 to 24, 2024

Sirius Updates | June 3rd, 2024
CNPEM opens fourth official call for research projects at Sirius

Ten beamlines are in operation and can receive regular proposals.

The synchrotron light source Sirius, designed and operated by the Brazilian Synchrotron Light Laboratory (LNLS) of the Brazilian Center for Research in Energy and Materials (CNPEM), has opened its fourth regular call for research projects to be conducted in its first ten experimental stations.

From June 3 to 24, researchers interested in conducting experiments at Sirius may submit proposals. The experiments from the proposals selected during this call will be conducted between October 2024 and March 2025.

There is no cost for academic use of Sirius facilities. Researchers from Brazilian and foreign institutions who live in Latin America and the Caribbean whose projects are approved may request financial aid to travel to Campinas, where Sirius is located, and use the facilities there.

Ten beamlines are in operation and available to receive regular proposals. Research projects for the Manacá and Cedro beamlines can be submitted as part of a fast-track system, on an ongoing and uninterrupted basis.

Equipment stoppage and timeline changes

From August to December 2024, Sirius accelerator structures will undergo significant maintenance. During this period, new components will be installed in the storage ring.

As Harry Westfahl Jr., Director of the Brazilian Synchrotron Light National Laboratory (LNLS), notes, “One of the main activities during the next equipment stoppage at Sirius will be installation of the new superconducting radiofrequency cavity. This advanced system will allow a significant increase in the current in the storage ring, resulting in a proportional increase in the beamline currents. Right now Sirius operates with a current limited to 100 mA. With the new cavity, this capacity could be boosted to up to 350 mA, three and a half times the current flow of synchrotron light in the beamlines.”

Implementing these new facilities required changes to be made to Sirius’s operating calendar. For this reason, there will be fewer research groups during this cycle.

“This increase in current will be implemented gradually: when we come back online during the second half of 2024, the operating current will be increased until we reach approximately 200 mA. To keep raising this capacity up to 350 mA, we plan to install another type of radiofrequency cavity (a third harmonic structure) during phase two of the project. These improvements will make it possible to analyze more samples each day and acquire data more quickly in experiments with high temporal resolution, significantly benefiting the scientific research carried out at Sirius,” adds Westfahl.

Double-anonymous peer review process 

Just like in previous calls, research proposals will be evaluated through a distributed evaluation system with double anonymity, where all the proposers of the call are also potential reviewers for the same call, within their areas of expertise. At least five reviewers assess each proposal.

About LNLS

The Brazilian Synchrotron Light Laboratory (LNLS) engages in scientific research and technological development involving synchrotron light, focusing on the operation and exploration of the multidisciplinary potential of Sirius, the most advanced scientific infrastructure in Brazil. With ten research stations already operational and open to the scientific and industrial community, Sirius enables thousands of researchers from many fields to test hypotheses about the microscopic mechanisms that result in the properties of materials, both natural and synthetic, used in different areas such as health, environment, energy, and agriculture. LNLS is part of the Brazilian Center for Research in Energy and Materials (CNPEM) in Campinas (SP), a social organization overseen by the Ministry of Science, Technology, and Innovation (MCTI).

About CNPEM

The Brazilian Center for Research in Energy and Materials (CNPEM) is home to a state-of-the-art, multi-user and multidisciplinary scientific environment and works on different fronts within the Brazilian National System for Science, Technology and Innovation. A social organization overseen by the Ministry of Science, Technology and Innovation (MCTI), CNPEM is driven by research that impacts the areas of health, energy, renewable materials, and sustainability. It is responsible for Sirius, the largest assembly of scientific equipment constructed in the country, and is currently developing Project Orion, a laboratory complex for advanced pathogen research. Highly specialized science and engineering teams, sophisticated infrastructure open to the scientific community, strategic lines of investigation, innovative projects involving the productive, and training for researchers and students are the pillars of this institution that is unique in Brazil and able to serve as a bridge between knowledge and innovation. It is responsible for operating four National Laboratories: Synchrotron Light (LNLS), Biosciences (LNBio), Nanotechnology (LNNano), and Biorenewables (LNBR), as well as the Ilum School of Science, which offers a bachelor’s degree program in science and Technology with support from the Ministry of Education (MEC).

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