LOGO CEPC Partial Double Ring Lattice Design and
LOGO CEPC Partial Double Ring Lattice Design and DA Study SU Feng GAO Jie WANG Dou WANG Yiwei Li Yongjun BIAN Tianjinan BAI Sha DUAN Zhe GENG Huiping ZHANG Yuan XU Gang XIAO Ming Key Laboratory of Particle Acceleration Physics and Technology Institute of High Energy Physics Chinese Academy of Sciences 2016. 5. 5
Out line 1. CEPC APDR (Advanced Partial Double Ring) Layout 2. Redesign PDR Lattice by SAD and DA study 3. Change Pylatt ( Li Yongjun code) more faster 4. Next
CEPC Advanced Partial Double Ring Layout Feng Su, Jie Gao 2016. 5. 23
CEPC Advanced Partial Double Ring Layout I 1/2 RF ARC 1 IP 1_ee RF RF 3 Km APDR 1/2 RF Bypass about 42 m IP 2_pp/IP 4_pp, 1132. 8 m APDR, 1052. 87 m IP 4_pp IP 2_pp APDR C=62967. 86 m RF 2 ARC 4, 24*FODO, 1132. 8 m APDR ARC 2 IP 3_ee 4 Long Straights, 1132. 8 m 4 ARC 3, 79*FODO, 3728. 8 m ARC 3 RF 4 Medium Straights, 566. 4 m 4 ARC 2, 24*FODO, 1132. 8 m ARC 4 1/2 RF 4 Short Straights, 141. 6 m 4 ARC 1, 124*FODO, 5852. 8 m ARC 3 1/2 RF IP 1_ee/IP 3_ee, 2. 968 Km ARC 2 ARC 1 1/2 RF SU Feng 2016. 5. 23
CEPC Advanced Partial Double Ring Optics PDR 1 Bypass 2 APDR PDR 3 Bypass 4 APDR
APDR Part 1052. 87 m 5 4 3 2 1 0 0 100 200 300 400 500 600 700 800 900 1000 1100
PDR Part
Bypass Part at IP 2/4 12 Lc 566. 4 m 12 Lc L=42 m 24 Lc 12 Lc 566. 4 m 12 Lc s 566. 4 m Cell length=47. 2 m
CEPC Advanced Partial Double Ring Layout II 1/2 RF ARC 1/2 RF IP 1_ee 1/2 RF APDR 3 Km 1/2 RF APDR 1/2 RF C=66772. 8 m 1/2 RF IP 1_ee/IP 3_ee, 2. 968 Km IP 2_pp/IP 4_pp, 1132. 8 m APDR IP 3_ee 1/2 RF APDR, 1052. 87 m 4 Short Straights, 141. 6 m 4 Long Straights, 566. 4 m 8 ARC, 124*FODO, 5852. 8 m 1/2 RF SU Feng 2016. 5. 26
CEPC Advanced Partial Double Ring Optics PDR 1 APDR 3 APDR APDR
PDR Lattice Redesign by SAD and DA study Feng Su,Yiwei Wang 2016. 5. 26
CEPC PDR 1. 0. 2 no. FFS 10 5 0 0 -5 -10 500 1000 1500 2000 2500 3000
CEPC PDR 1. 0. 2 no. FFS
CEPC PDR 1. 0. 2 no. FFS
CEPC PDR 1. 0. 2 no. FFS 1. Error. X (IP 1)-> 0 automatically 2. Error. X (IP 1)=10^-13 in MAD 8 Error. X (IP 1)=10^-5 in SAD 3. ?
Improve Pylatt ( Li Yongjun code) to calculate ndr more faster Feng Su, Yongjun Li, Yiwei Wang 2016. 5. 26
Nonlinear Driving Term habcde , a+b+c+d+e=3 , 1 st order nonlinear driving term a+b+c+d+e=4 , 2 nd order nonlinear driving term 1 st order chromaticity: h 11001, h 00111 2 nd order chromaticity: h 11002, h 00112 Tune with amplitude: h 11110, h 22000, h 00220
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- Slides: 19