INJECTION EFFICIENCY IN COMPTON RING NESTOR
Journal: East European Journal of Physics (Vol.4, No. 4)Publication Date: 2017-12-15
Authors : P. Gladkikh; A. Kalamaiko; I. Karnaukhov; A. Mytsykov; A. Zelinsky;
Page : 37-41
Keywords : Compton scattering; storage ring; alignment error; beam dynamics simulation; injection efficiency;
Abstract
NESTOR is the hard X-ray source that is under commissioning at NSC KIPT. NESTOR based on the Compton scattering of laser photons on relativistic electrons. The structure of the facility can be represented as the following components: a linear accelerator, a transport channel, a storage ring, and a laser-optical system. Electrons are stored in the storage ring for energy of 40-200 MeV. Inevitable alignment errors of magnetic elements are strongly effect on the beam dynamics in the storage ring. These errors lead to a shift of the equilibrium orbit relative to the ideal one. Significant shift of the equilibrium orbit could lead to loss of the beam on physical apertures. Transverse sizes of electron and laser beams are only few tens of microns at the interaction point. The shift of electron beam at the interaction point could greatly complicate the operation adjustment of storage ring without sufficient beam position diagnostic system. This article presents the simulation results of the efficiency of electron beam accumulation in the NESTOR storage ring. Also, this article is devoted to electron beam dynamics due to alignment errors of magnetic element in the ring.
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