PAC09 - List of Authors (Plotegher, M.B.)

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Plotegher, M.B.

Paper	Title	Page
TH6PFP012	Analysis of the LNLS Storage Ring Optics Using LOCO	3720
	X.R. Resende, R.H.A. Farias, L. Liu, M.B. Plotegher, P.F. Tavares LNLS, Campinas
	The synchrotron machine at the Brazilian Synchrotron Light Laboratory (LNLS) is a storage ring for 1.37 GeV electrons composed of six DBA cells whose lengths add up to around 93 meters of circumference. There are 18 horizontal and 24 vertical correctors available in the ring for correcting the orbit as measured at 24 BPMs. In the past, stored beams have been delivered which successfully fulfilled user’s stability and emittance demands. This has been accomplished by fine tuning the machine using mostly measured beam parameters. The ongoing commissioning of the a new undulator beamline, which is expected to become the most demanding one, puts pressure in the direction of improving existing models of the ring optics in order to envisage ways of improving beam quality. In this paper we discuss preliminary tests with LOCO* at the LNLS. We report on the impact of the calibration of the machine based on LOCO calculations through the analysis of standard experiments and optics parameters such as beta-beat reduction, improvement of life-time and so on. *LOCO in the Beam Dynamics Newsletter, 44, ICFA, December 2007.

Paper

Title

Page

TH6PFP012

Analysis of the LNLS Storage Ring Optics Using LOCO

3720

X.R. Resende, R.H.A. Farias, L. Liu, M.B. Plotegher, P.F. Tavares
LNLS, Campinas

The synchrotron machine at the Brazilian Synchrotron Light Laboratory (LNLS) is a storage ring for 1.37 GeV electrons composed of six DBA cells whose lengths add up to around 93 meters of circumference. There are 18 horizontal and 24 vertical correctors available in the ring for correcting the orbit as measured at 24 BPMs. In the past, stored beams have been delivered which successfully fulfilled user’s stability and emittance demands. This has been accomplished by fine tuning the machine using mostly measured beam parameters. The ongoing commissioning of the a new undulator beamline, which is expected to become the most demanding one, puts pressure in the direction of improving existing models of the ring optics in order to envisage ways of improving beam quality. In this paper we discuss preliminary tests with LOCO* at the LNLS. We report on the impact of the calibration of the machine based on LOCO calculations through the analysis of standard experiments and optics parameters such as beta-beat reduction, improvement of life-time and so on.

*LOCO in the Beam Dynamics Newsletter, 44, ICFA, December 2007.