Optimal placement of magnets in Indus-2 storage ring

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Riyasat Husain, A D Ghodke and Gurnam Singh. Optimal placement of magnets in Indus-2 storage ring[J]. Chinese Physics C, 2015, 39(3): 037002. doi: 10.1088/1674-1137/39/3/037002
Riyasat Husain, A D Ghodke and Gurnam Singh. Optimal placement of magnets in Indus-2 storage ring[J]. Chinese Physics C, 2015, 39(3): 037002.  doi: 10.1088/1674-1137/39/3/037002 shu
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Received: 2014-02-26
Revised: 2014-10-27
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Optimal placement of magnets in Indus-2 storage ring

    Corresponding author: Riyasat Husain,

Abstract: In Indus-2, by optimizing the position of the magnetic elements, using the simulated annealing algorithm, at different locations in the ring with their field errors, the effects on beam parameters have been minimized. Closed orbit distortion and beta beat are considerably reduced by optimizing the dipole and quadrupole magnets positions in the ring. For the Indus-2 storage ring, sextupole optimization gives insignificant improvement in dynamic aperture with chromaticity-correcting sextupoles. The magnets have been placed in the ring with the optimized sequence and storage of the beam has been achieved at injection energy without energizing any corrector magnets. Magnet sorting has led to the easy beam current accumulation and the measurement of parameters such as closed orbit distortion, beta function, dispersion, dynamic aperture etc.

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