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During the last three years a Kharkov X-ray generator NESTOR is under design and construction in NSC KIPT. According to the design report, electrons are injected in the storage ring at 100 MeV and ramped up to final energy 225 MeV. Due to compact design of the ring the injection trajectory of the beam will pass through fringe field of a NESTOR bending magnet. It brings additional difficulties on design of an injection channel. In the paper the layout, results of design and calculations of NESTOR injector channel are presented. The channel consists of two bending magnets, five-lens, asymmetrical, objective and two-lens matching cell to compensate dispersion and focusing effects of a dipole magnet fringe field and injection system elements (inflector). Presented results shows that designed lattice provides matching of injected beam parameters with the storage ring acceptance, is stable to element alignment errors and is easy controlled. The final values of the channel lens gradients can be defined only after measurements of inflector field profile.
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- A.Y. Zelinsky, V.P. Androsov, E.V. Bulyak, A. Dovbnya, I.V. Drebot, P. Gladkikh, V.A. Grevtsev, Yu.N. Grigor'ev, A. Gvozd, V.E. Ivashchenko, I.M. Karnaukhov, N. Kovalyova, V.P. Kozin, V. Lapshin, V.P. Lyashchenko, V. Markov, N.I. Mocheshnikov, V.B. Molodkin, A. Mytsykov, I.M. Necklyudov, F.A. Peev, O.V. Ryezayev, A.A. Shcherbakov, A. Shpak, V.L. Skirda, V.A. Skomorokhov, Y.N. Telegin, V.I. Trotsenko, O.D. Zvonarjova
NSC/KIPT, Kharkov
- A. Agafonov, A.N. Lebedev
LPI, Moscow
- J.I.M. Botman
TUE, Eindhoven
- R. Tatchyn
SLAC, Menlo Park, California
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