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Effect of RF phase modulation near a parametric resonance on the longitudinal emittance

F. Orsini, A. Mosnier
1999 Proceedings of the 1999 Particle Accelerator Conference (Cat. No.99CH36366)  

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Aiming at increasing the apparent bunchlength and hence the beam life time in electrons storage rings, RF phase modulation near one parametric resonance has been experimentally investigated. Since the eventual benefit of this technique depends greatly on the ring parameters, we studied the effect of such a modulation for different RF parameters on the longitudinal emittance. Theoritical predictions and results of simulations are compared and discussed. It is shown that synchrotron radiation
more » ... s to spoil the parametric resonance. In particular, a criterion for islands survival has been found.
doi:10.1109/pac.1999.792954 fatcat:c3a54637gnd4pn3bulo5xgkaly
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F. Orsini, A. Mosnier. "Effect of RF phase modulation near a parametric resonance on the longitudinal emittance." Proceedings of the 1999 Particle Accelerator Conference (Cat. No.99CH36366) (1999)