bmad_5620mev.lat

! Good looking half ring lattice with beta*v=17.5mm
!+
! Fri Oct 20 13:21:13 2006 => Documented by latdoc.
! Beam energy is 5.620 GeV
! 	Qx	Qy	Fx	Fy	Emitt(nm rad)
! e+	10.53	9.58	206.7	226.6	168.3	
! e-	0.53	0.58	205.6	226.5	168.5	
!
! Bx*	By*	Eta*	Alphax*	Alphay*	Eta'*	Cr_ang(mrad)
! 1.44	0.0173	0.001	0.057	0.003	-0.027	2.262
!
! Bx*	By*	Eta*	Alphax*	Alphay* -> Positron-Electron
! 0.03	-0.0001	0.003	0.124	-0.004
!
! Bx	By	Eta	Alphax	Alphay	Eta' -> all at IP_L3
! 2.68	5.694	-0.000	-0.072	-0.014	-0.000
!
! IP_L0 disp.: e+ x:6.96e-05 y:-2.87e-06   e- x:-2.85e-05 y:2.86e-06
!
! IP_L0 cbar:  3.4e-05    1.2e-02   IP_L3 cbar: -1.5e-05   -2.3e-03
!             -7.5e-02    8.1e-04                1.2e-02    1.5e-04
!
! Peak Arc Betas: e+ Bx:42.8 By:41.7   e- Bx:43.0 By:41.7
! H_Sep Bx: 08w:26.72  08e:26.72  45w:11.87  45e:11.87
! V_Sep By: 48w:11.55  48e:11.55
!
! 9x5 info: Pr_apert:4.09e-02  Effic:0.55  I_bunch:6.66  B_param_i:6.23
! Worst x disp e+:1.75e-02  at: Q14W, 	e-:-1.76e-02 at: Q14W
! 34w: e+ Bx:42.22  e- Bx:38.20  e+ Eta:1.54   Ring sigma_sep:6.84
! 34e: e+ Bx:38.64  e- Bx:42.22  e- Eta:1.57
!
! Full turn 4x4 det: 0.11  Momentum_comp: 1.13e-02
! sync_beta_path x:0.0e+00  y:0.0e+00  _volt x:-1.0e-09  y:-9.5e-08
! Qs-2Qx Mag  e+: 4.41   e-: 5.12
! *IP*  dbeta(dE) x:17.25 y:-14.36  dbeta(dPretz) x:-1.72e-04 y:-1.71e-02
! *max* dbeta(dE) x:20.50 y:62.95  dbeta(dPretz) x:1.21e-01 y:1.05e-01
! Chrom x:-0.00  y:-0.51    Tonality x:0.17  y:-0.02
!-
lattice := 5620mev
call, file=BMAD_LAYOUT:cesr_iii_layout.bmad
!-----------------------------------------------------
!-----------------------------------------------------
!-v01-

Lattice file

twiss plot

Last modified: Fri Nov 17 15:48:06 2006 Mike Forster

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