About the LNLS Annual Users’ Meeting (RAU)

The Brazilian Synchrotron Light Laboratory (LNLS) of the Brazilian Center for Research in Energy and Materials (CNPEM) will hold the 34th LNLS Annual Users’ Meeting (RAU) from 6-7 November and its 4 workshop events on 4 to 5 and 8 November 2024. The event will take place at Sirius located at the CNPEM campus, in Campinas-SP.

The RAU is an important forum for discussions and exchange of information among users and scientists from LNLS, along with invited researchers from abroad. In this context, the meeting provides a critical space for the evaluation and presentation of proposals to enhance research facilities and currently available instrumentation. Furthermore, the RAU also serves as a platform for identifying the technical-scientific needs and expectations of the Brazilian and international scientific community regarding Sirius, the new Brazilian synchrotron light source.

Building on the model adopted in the 2023 edition, the plenary sessions of the RAU will engage the entire user community in active discussions about current and future facilities, as well as analyses of scientific results achieved at Sirius, with the participation of internationally renowned speakers. Additionally, complementing the plenary activities of the RAU, four thematic workshops on synchrotron science will be held, fostering stimulating discussions among the Brazilian scientific community and distinguished international guests.

Important Dates

Registration period
 24/06 to 23/09
Abstract submission period – With Assistance Program 24/06 to 05/08
Abstract submission period – Without Assistance Program 24/06 to 29/08
Abstracts acceptance notice – With Assistance Program 04/09
Abstracts acceptance notice – Without Assistance Program 02/10
Workshops (3rd SMX and 2nd PRESSYNC) 4-5 November
34th Annual Users’ Meeting 6-7 November
Workshops (1st VUV Spectroscopy and 2nd H2Mat) 8 November 

Attention: There will be no extension of the abstract submission deadline.

Registration Fees

Category of Registration 34th RAU 34th RAU + 1 satellite 34th RAU + 2 satellite Satellite
Students (Undergraduate) R$80,00 R$120,00 R$150,00 R$50,00 
Masters or Doctoral Students R$130,00 R$180,00 R$220,00 R$80,00 
Professionals (Bachelor, Master or Doctoral degrees, PHDs, Researchers, Teachers, Professors and others) R$230,00 R$300,00 R$350,00 R$120,00 

*Participants who choose to participate in the 34th RAU main event and at least 1 satellite gets a discount on the registration fee, according to this table.

Assistance Program

Assistance Request for Participation

At the 34th RAU, candidates can request assistance for transportation and accommodation. Click the button below to access the full rules and criteria for requesting participation assistance at the event.

Attention: Participants who apply for assistance are not exempt from the registration fee.

Check the Guidelines

4th to 5th November

8th November

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  • Language

    • The event official language is English. All information, content and presentations must be performed in this language.

  • Target Audience

    • Undergraduate and graduate (master and doctoral) students and professionals interested in the use of synchrotron scientific instrumentation to perform cutting-edge experiments in areas such as Materials Science, Health and Pharmacology, Environmental Science  Energy, Biotechnology, X-ray Imaging, Oil and Gas, Chemistry, and others.

  • Selection of Participants

    • In case of exceeding the capacity, there will be selection by the Organizing Committee based on abstract contribution and first-come, first-served basis, according to the Registration Form.

  • Bright Ideas

    • In addition to ongoing research contributions, RAU also welcomes contributions related to new ideas to be performed at Sirius, the Brazilian synchrotron light source. This is not a call for proposals, it is just an open space to discuss with colleagues possible challenging experiments that can be performed at the Sirius facilities.

Check the Official Photo of 33rd RAU

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