Speaker
Description
Dipole vibrations of the beam caused by mechanical vibrations (seismic, anthropogenic, etc.) and power supply current ripple lead to emittance growth and brightness decrease. Unfortunately, correction algorithms presently implemented at VEPP-4M facility are slow and take up to dozens of minutes per iteration and are not suitable for dipole perturbations correction. The dipole corrector being developed in this research is aimed to correct beam orbit at a rate once every 2-4 ms. In the article we describe the results of development of the corrector, the proof-of-principle experiment and first implementation of automatic correction algorithms. Further, mounting several of such fast correctors will let us integrate fast orbit feedback system into VEPP-4M correction system and improve efficiency of synchrotron light users’ experiments.
| Young scientist paper | Yes |
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