Beam-based measurement of skew-quadrupol
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Yoshinori Hisaoka; Shintarou Hisao; Takahiro Matsubara; Takayuki Mitsui; Shuji M
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Article
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2007
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Elsevier Science
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English
β 199 KB
The skew-quadrupole field errors in an undulator were determined from the response of the stored beam. This method used was to measure the change of the horizontal closed orbit distortion produced by two types of vertical local bump orbit in the undulator. In this method, the unknown distribution of