Aplication of Frequency Map Analysis to Beam-Beam Effects Study in Crab Waist Collision Scheme
arXiv:1002.3733 · doi:10.1103/PhysRevSTAB.14.014001
Abstract
We applied Frequency Map Analysis (FMA) - a method that is widely used to explore dynamics of Hamiltonian systems - to beam-beam effects study. The method turned out to be rather informative and illustrative in the case of a novel Crab Waist collision approach, when "crab" focusing of colliding beams results in significant suppression of betatron coupling resonances. Application of FMA provides visible information about all working resonances, their widths and locations in the planes of betatron tunes and betatron amplitudes, so the process of resonances suppression due to the beams crabbing is clearly seen.
11 pages, 10 figures
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