IBIC2014 - List of Keywords (lattice)

Paper	Title	Other Keywords	Page
WEPF16	Algorithm to Improve the Beta-Function Measurement and its Evaluation in Storage Rings Lattices	storage-ring, betatron, optics, collider	574
	A.C. García-Bonilla UNAL, Bogota D.C, Colombia
	In any beam-line, one of the basic measurements during the beam-diagnostics is the measurement of the Beta-Function along the beam-line. This can be achieved in Storage Ring by taking the tune change obtained when varing the intensity of quadrupoles, or by using the matrix response to fit the corresponding parameters, or by shaking the beam to obtain a betatron motion. In accelerators like the LHC, the Beta-Function measurement is done from the Phase Advance Measurement using the Transfer Matrix. In this paper, a study of a new algorithm or numerically approximation for this measurement is presented, as well as the results of the simulations for the LHC and CLIC damping ring. The deduced and implemented algorithm takes into account a fraction of the both transverse planes measurements. A random (uniform) deviation of the MAD-X phase values is studied, by comparison of the proposed algorithm with the traditional one. An improvement close to 30% and 50% on the global error compare to the traditional way to measure the Beta Function is observed; this is for the studied cases using closed-orbits and phase advance values with deviations of 10 or 20 degrees. Postgraduate Student at Universidad Nacional de Colombia
	Poster WEPF16 [0.742 MB]
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Paper

Title

Other Keywords

Page

WEPF16

Algorithm to Improve the Beta-Function Measurement and its Evaluation in Storage Rings Lattices

storage-ring, betatron, optics, collider

574

A.C. García-Bonilla
UNAL, Bogota D.C, Colombia

In any beam-line, one of the basic measurements during the beam-diagnostics is the measurement of the Beta-Function along the beam-line. This can be achieved in Storage Ring by taking the tune change obtained when varing the intensity of quadrupoles, or by using the matrix response to fit the corresponding parameters, or by shaking the beam to obtain a betatron motion. In accelerators like the LHC, the Beta-Function measurement is done from the Phase Advance Measurement using the Transfer Matrix. In this paper, a study of a new algorithm or numerically approximation for this measurement is presented, as well as the results of the simulations for the LHC and CLIC damping ring. The deduced and implemented algorithm takes into account a fraction of the both transverse planes measurements. A random (uniform) deviation of the MAD-X phase values is studied, by comparison of the proposed algorithm with the traditional one. An improvement close to 30% and 50% on the global error compare to the traditional way to measure the Beta Function is observed; this is for the studied cases using closed-orbits and phase advance values with deviations of 10 or 20 degrees.
Postgraduate Student at Universidad Nacional de Colombia

Poster WEPF16 [0.742 MB]

Export •

reference for this paper to ※ LaTeX, ※ Text, ※ IS/RefMan, ※ EndNote (xml)