MOXA —  Monday Oral Parallel A   (24-May-21   11:30—12:00)
Chair: K.C. Harkay, ANL, Lemont, Illinois, USA
Paper Title Page
MOXA01 Commissioning and Restart of ESRF-EBS 1
 
  • S.M. White, N. Carmignani, L.R. Carver, J. Chavanne, L. Farvacque, L. Hardy, J. Jacob, G. Le Bec, S.M. Liuzzo, T.P. Perron, Q. Qin, P. Raimondi, J.-L. Revol, K.B. Scheidt
    ESRF, Grenoble, France
 
  The ESRF operates a 6 GeV 4th generation light source, the ESRF-EBS. This storage ring is the first to implement the Hybrid Multi-Bend Achromat lattice (HMBA). The HMBA lattice provides a reduction of the horizontal emittance of approximately a factor 30 with respect to the former Double Bend Achromat (DBA) structure, considerably improving the brilliance and transverse coherence of the ESRF accelerator complex while maintaining large horizontal acceptance and excellent lifetime performance. In this report, the characteristics of the HMBA lattice will be reviewed and the beam commissioning results and first operation experience of the new ESRF storage ring will be presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-MOXA01  
About • paper received ※ 11 May 2021       paper accepted ※ 31 August 2021       issue date ※ 01 September 2021  
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MOXA02 Status of the APS-U Project 7
 
  • R.O. Hettel
    ANL, Lemont, Illinois, USA
 
  Funding: Work supported by the U.S. Department of Energy, Office of Sci- ence, Office of Basic Energy Sciences, under Contract No. DE-AC02- 06CH11357.
The Advanced Photon Source Upgrade (APS-U) project at the Argonne National Laboratory will re-place the existing 7-GeV, 1.1-km circumference dou-ble bend storage ring lattice with a new 6-GeV hybrid 7BA lattice that will reduce horizontal electron emit-tance from 3 nm-rad to 42 pm-rad, including IBS ef-fects for 200-mA operation. With new optimized per-manent magnet and superconducting undulators, an increase in spectral brightness of two to three orders of magnitude in the 10-100 keV X-ray energy range will be realized. The project includes nine new high performance beamlines and fifteen enhanced beam-lines that will exploit the high brightness and coher-ence of the new facility. The project is in full swing, more than 50% complete by cost, and is on schedule for first beam sometime in mid-2024, a slip of 10 months from the original schedule due to the impact of COVID-19. Project status, challenges and outstanding issues will be discussed in this article.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-MOXA02  
About • paper received ※ 21 May 2021       paper accepted ※ 09 June 2021       issue date ※ 11 August 2021  
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MOXA03 Sirius Commissioning Results and Operation Status 13
 
  • L. Liu, M.B. Alves, A.C.S. Oliveira, X.R. Resende, F.H. de Sá
    LNLS, Campinas, Brazil
 
  Sirius is a 4th generation 3 GeV synchrotron light source that has just finalized the first commissioning phase at the Brazilian Center for Research in Energy and Materials (CNPEM) campus in Campinas, Brazil. This paper describes the main Accelerator Physics issues faced during the storage ring commissioning, methods that were used to work them out and the current operation status of the machine.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-MOXA03  
About • paper received ※ 20 May 2021       paper accepted ※ 10 June 2021       issue date ※ 16 August 2021  
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