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A closedorbitiscorrectedforsingle- turn injection to perform laser cooling experiments of 40keV 24M+ beam at the small laser-equipped storage ring (S-LSR). Closed orbit distortion (COD) corrections have been carried out using a downhill simplex method, and CODs of lessthan +-0.5mm have been achieved throughout the whole circumference. Theinjection orbit and the CODs are optimized to pass through the two aperture holes in the alignment targets located in the laser cooling section with an algorithm to maximize beam lifetime. The CODs at the aperture holes are reduced to be less than +-0.2mm, assuring an overlap between the laser and the 24M+ ion beam.
雑誌名
Nuclear Instruments & Methods in Physics Research Section A
COD correction for laser cooling at S-LSR
