Author: Carvalho de Almeida, I.
Paper Title Page
MOPOST046 Enforcing the Convergence of Longitudinal Bunch Density Calculation in the Presence of a Harmonic Cavity Through Anderson Acceleration Method 180
 
  • I. Carvalho de Almeida
    CNPEM, Campinas, SP, Brazil
  • M. Hoffmann Wallner, A.P.B. Lima
    LNLS, Campinas, Brazil
 
  Sirius is a 4th generation synchrotron light source at the Brazilian Center for Research in Energy and Materials in Campinas, Brazil. A passive superconducting third harmonic cavity is planned to be installed in the storage ring in order to lengthen the bunches and increase beam lifetime by reducing Touschek scattering while keeping its high brightness. This paper presents the results obtained in applying Anderson acceleration method to enforce the convergence of the self-consistent algorithm used for calculation of the equilibrium longitudinal bunch density in the presence of a harmonic cavity.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2022-MOPOST046  
About • Received ※ 08 June 2022 — Accepted ※ 16 June 2022 — Issue date ※ 18 June 2022  
Cite • reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)  
 
TUPOST014 Sirius Storage Ring RF System Status Update 872
 
  • A.P.B. Lima, D. Daminelli, M. Hoffmann Wallner, F.K.G. Hoshino
    LNLS, Campinas, Brazil
  • I. Carvalho de Almeida, R.H.A. Farias
    CNPEM, Campinas, SP, Brazil
 
  Sirius’s nominal operation phase consists of two 500 MHz CESR-B type superconducting cavities, each being driven by four 65 kW solid-state amplifiers, and a passive superconducting third harmonic cavity. Currently a normal conducting 7-cell PETRA cavity is being used along with two 65 kW RF amplifiers and was recently able to achieve 100 mA stored current. The performance of the storage ring RF system and the updated installation plans update are presented and discussed.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2022-TUPOST014  
About • Received ※ 08 June 2022 — Revised ※ 10 June 2022 — Accepted ※ 16 June 2022 — Issue date ※ 23 June 2022
Cite • reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)