Author: Resende, X.R.
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TUPOMS002 Status of Sirius Operation 1385
 
  • L. Liu, M.B. Alves, A.C.S. Oliveira, X.R. Resende, R.M. Seraphim, H. Westfahl Jr., F.H. de Sá
    LNLS, Campinas, Brazil
  • R.H.A. Farias, S.R. Marques
    CNPEM, Campinas, SP, Brazil
 
  SIRIUS is a Synchrotron Light Source Facility based on a 3 GeV electron storage ring with 518 m circumfer-ence and 250 pm.rad emittance. The facility was built and is operated by the Brazilian Synchrotron Light Laboratory (LNLS), located in the CNPEM campus, in Campinas, Brazil. The accelerator commissioning and operation has been split into 2 phases: Phase0, corresponding to the initial accelerator commissioning with 6 beamlines, has been completed, and the project is now in preparation for Phase1, with full accelerator design performance and 14 beamlines in operation. We report on the status of SIRI-US last year operation and ongoing activities towards achieving completion of Phase1.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2022-TUPOMS002  
About • Received ※ 08 June 2022 — Accepted ※ 17 June 2022 — Issue date ※ 29 June 2022  
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WEPOTK055 Beam Lifetime Measurements in Sirius Storage Ring 2186
SUSPMF072   use link to see paper's listing under its alternate paper code  
 
  • M.B. Alves, L. Liu, X.R. Resende, F.H. de Sá
    LNLS, Campinas, Brazil
 
  SIRIUS is the new storage ring-based 4th generation synchrotron light source built and operated by the Brazilian Synchrotron Light Laboratory (LNLS) at the Brazilian Center for Research in Energy and Materials (CNPEM). In ultralow emittance storage rings such as SIRIUS, the dominant contribution to the beam lifetime is due to large angle scattering between electrons within the same bunch, namely the Touschek effect. We used the strategy of storing two bunches simultaneously with different currents to measure their Touschek lifetime independently of other contributions, such as gas scattering. The measurements were carried out in different conditions of bunch current and RF voltage to compare the experimental results with those expected from theory and simulations for SIRIUS.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2022-WEPOTK055  
About • Received ※ 08 June 2022 — Accepted ※ 15 June 2022 — Issue date ※ 24 June 2022  
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THPOPT038 Sirius Injection Optimization 2672
 
  • X.R. Resende, M.B. Alves, L. Liu, A.C.S. Oliveira, J.V. Quentino, F.H. de Sá
    LNLS, Campinas, Brazil
 
  Sirius is the new 3 GeV storage ring (SR)-based 4th generation synchrotron light source built and operated by the Brazilian Synchrotron Light Laboratory (LNLS) located in the CNPEM campus, in Campinas. The foreseeable move to a top-up injection scheme demands improvement of injection efficiency and repeatability levels. In this work we report on the latest efforts in optimizing the Sirius injection system.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2022-THPOPT038  
About • Received ※ 08 June 2022 — Revised ※ 16 June 2022 — Accepted ※ 17 June 2022 — Issue date ※ 24 June 2022
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