REDESIGN OF NESTOR STORAGE RING LATTICE
Keywords:
compton scattering, storage ring, lattice redesign, beam dynamics simulation, dynamics aperture
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 40-225 MeV, laser photons are accumulated in the optical resonator. The frequencies of laser and electron bunches are synchronized, the interaction point located in the optical resonator. The measurements showed that parameters of the manufactured bending magnets different from the design ones. The bending magnets have different field index, besides the vertical focusing forces are significantly lower than designed ones. The beam dynamics simulation showed that due to decreasing of the vertical focusing the vertical betatron frequency becomes close to the frequency of the integer resonance Q = 2, as a result the vertical motion in the ring is unstable [1]. The second reason for optimization is the need to increase the length of the drift space for optical resonator. The results of optimization are presented in this paper.Downloads
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References
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2. Motz H. Applications of the radiation from fast electron beams // Journal of Apply Physics. – 1951. –Vol. 22. – No. 527. – P. 527-531.
3. Landecker K. Possibility of frequency multiplication and wave amplification by means of some relativistic effects // Physical Review. – 1952. – Vol. 86. – No.6. –– P. 852-855.
4. Artumanyan F., Tumanyan V. Compton effect on relativistic electrons and the possibility of generation of hard radiation // JETP. – 1963. – Vol. 44. – P. 2101.
5. Milburn R. // Thomson Scattering of Optical Radiation from an Electron Beam // Physical Review Letters. – 1963. – Vol. 10. – P. 75.
6. Casano L. et al. Laser scanning components and techniques: design considerations // Laser and Unconventional Optics Journal. – 1975. – Vol. 55. – P. 3.
7. Telnov V. Principles of photon colliders // Nuclear Instruments and Methods in Physics Research A. – 1995. – Vol. 355. – P. 3 18.
8. Luo W., Zhuo H. et al. The nonlinear effect in relativistic Compton scattering for an intense circularly polarized laser // Physica Scripta. – 2014. – Vol. 89(7). – P. 5.
9. Huang Z. Radiative cooling of relativistic electron beams // SLAC-R. – 1998. – Vol. 527. – P. 141.
10. Gladkikh P., Karnaukhov I. et. al. Physical Grounding Н-100М // Internal report of NSC KIPT. – 1998. – P. 7-30.
11. Liu Lin, Cylon E.T. Goncalves da Silva Second order single particle dynamics in quasi – isochronous storage rings and its application to the LNLS – UVX ring // NIM A. – 1993. – Vol.329. – P. 9–15.
12. Pellegrini C., Robin D. Quasi – isochronous storage ring // NIM A. – 1991. – Vol. 301. – P. 27-36.
13. Zelinsky A., Shcherbakov A. et al. The Kharkov X-ray generator facility NESTOR // Proceedings of IPAC. – 2013. – P. 2253–2255.
14. Zelinsky A., Gladkikh P. et al. Investigation of injection through bending magnet fringe fields in X-rays source based on storage ring NESTOR // Proceedings of European Particle Accelerator Conference. –2004. – P. 1434.
15. Gladkikh P., Karnaukhov I. et al. The start of X-ray generator NESTOR commissioning // Problems of atomic science and technology. –2013. – Vol. 6(88). – P. 20 23.
16. Iselin F. C. The MAD Program. Physical Methods Manual // CERN/SL. –1992.
17. Gladkikh P., Strelkov M., Zelinsky A. The Application Package DECA for Calculating Cyclic Accelerators // Proceedings of PAC-93. – 1993. – P 194–196.
Published
2017-10-20
Cited
How to Cite
Gladkikh, P. I., Kalamaiko, A. A., & Karnaukhov, I. M. (2017). REDESIGN OF NESTOR STORAGE RING LATTICE. East European Journal of Physics, 4(3), 85-91. https://doi.org/10.26565/2312-4334-2017-3-12
Section
Original Papers
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