CEPC new parameters Dou Wang Chenghui Yu Yuan

CEPC new parameters Dou Wang, Chenghui Yu, Yuan Zhang, Yiwei Wang, Huiping Geng, Sha Bai, Jie Gao

CEPC new parameter - Higgs Number of IPs Energy (Ge. V) Circumference (km) SR loss/turn (Ge. V) Half crossing angle (mrad) Piwinski angle Ne/bunch (1011) Bunch number Beam current (m. A) SR power /beam (MW) Bending radius (km) Momentum compaction (10 -5) IP x/y (m) Emittance x/y (nm) Transverse IP (um) x/ y/IP RF Phase (degree) VRF (GV) f RF (MHz) (harmonic) Nature z (mm) Total z (mm) HOM power/cavity (kw) Energy spread (%) Energy acceptance by RF (%) n Life time due to beamstrahlung_cal (minute) F (hour glass) Lmax/IP (1034 cm-2 s-1) x*=1. 31 m x*=1. 18 m (lattice) 2 120 100 1. 67 16. 5 2. 14 0. 968 444 20. 6 34. 5 11 1. 18 0. 36/0. 002 1. 31/0. 004 21. 7/0. 089 0. 025/0. 081 129 2. 15 650 2. 72 2. 81 0. 45 0. 098 1. 05 2. 1 0. 18 60 2 120 100 1. 61 16. 5 2. 28 0. 968 420 19. 5 31. 4 1. 15 0. 36/0. 002 1. 18/0. 0036 20. 6/0. 085 0. 025/0. 085 128 2. 03 650 2. 75 2. 85 0. 42 0. 096 1. 1 1. 98 0. 19 63 0. 92 2. 0 0. 93 2. 0

Number of IPs Energy (Ge. V) Circumference (km) SR loss/turn (Ge. V) Half crossing angle (mrad) Piwinski angle Ne/bunch (1010) Bunch number Beam current (m. A) SR power /beam (MW) Bending radius (km) Momentum compaction (10 -5) IP x/y (m) Emittance x/y (nm) Transverse IP (um) x/ y/IP RF Phase (degree) VRF (GV) f RF (MHz) (harmonic) Nature z (mm) Total z (mm) HOM power/cavity (kw) Energy spread (%) Energy acceptance by RF (%) n Life time due to beamstrahlung_cal (minute) F (hour glass) Lmax/IP (1034 cm-2 s-1) Higgs W Z 2 120 100 1. 61 16. 5 2. 28 9. 68 420 19. 5 31. 4 1. 15 0. 36/0. 002 1. 18/0. 0036 20. 6/0. 085 0. 025/0. 085 128 2. 03 650 2. 75 2. 85 0. 42 (2 cell) 0. 096 1. 1 1. 98 0. 19 63 2 80 100 0. 32 16. 5 3. 6 5700 98. 6 31. 3 11. 4 1. 15 0. 36/0. 002 0. 52/0. 0017 13. 7/0. 059 0. 014/0. 068 134. 7 0. 45 650 2. 98 3. 0 0. 38 (2 cell) 0. 064 2 45. 5 100 0. 033 16. 5 6. 33 2. 3 27000 298. 5 9. 9 11. 4 1. 15 0. 36/0. 002 0. 17/0. 0038 7. 81/0. 087 0. 017/0. 053 151 0. 069 650 (217800) 2. 92 3. 0 0. 74 (2 cell) 0. 036 1. 46 0. 11 1. 2 0. 12 0. 93 2. 0 0. 963 5. 6 0. 987 7. 7

Luminosity vs energy

Beam current vs energy

Bunch number vs energy