High Power Laser and Particle Beams, Volume. 32, Issue 4, 045107(2020)
Operation stability improvement for synchrotron light sources by tune feedback system
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Table 1. Beam parameters of the SSRF storage ring
View tableView in ArticleTable 1. Beam parameters of the SSRF storage ring
parameter design value measured value beam energy / GeV 3.50 3.50 circumference / m 432 --------- number of cells 20 --------- construction DBA --------- numbers of QF/QD in one cell 4/6 --------- beam current / mA 200−300 240 tune (H, V) 22.22, 11.29 22.220, 11.290 (±0.01) natural emittance / nm·rad 3.89 3.9 coupling 1% 0.3% natural chromaticity (H, V) −55.7, −17.9 -------- corrected chromaticity (H, V) --------- 1.5, 2.5 RMS energy spread 9.845×10−4 0.001 energy loss per turn / MeV 1.435 ～1.45 momentum compaction factor 4.27×10−4 4.2 ×10−4 RF voltage / MV 4.0 4～4.8 RF frequency / MHz 499.654 499.68 synchrotron frequency 0.007 2 0.007 5
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Xu Wu, Shunqiang Tian, Qinglei Zhang, Wenzhi Zhang. Operation stability improvement for synchrotron light sources by tune feedback system[J]. High Power Laser and Particle Beams, 2020, 32(4): 045107
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Received: Jul. 19, 2019
Accepted: --
Published Online: Mar. 30, 2020
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