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MAD description of UMER - Ring

Description of the UMER ring lattice using the Methodical Accelerator Design (MAD) language. Superseded 8/16/2006 due to quadrupole replacement in 1st half of ring.

! Define Magnets
! Focusing quads (-ve for electrons)
OQF: QUADRUPOLE,L=0.0363,K1=-229.0
NQF: QUADRUPOLE,L=0.0372,K1=-223.4
YQF: QUADRUPOLE,L=0.0538,K1=-163.21

! De-Focusing quads (+ve for electrons)
OQD: QUADRUPOLE,L=0.0363,K1=229.0
NQD: QUADRUPOLE,L=0.0372,K1=223.4
YQDR: QUADRUPOLE,L=0.0538,K1=177.89
YQDI: QUADRUPOLE,L=0.0538,K1=177.89

! Note that YQDR (ring) and YQDI (injector) is off-centered and tilted in the horizontal plane
EALIGN,YQDR,DX=0.01389,DTHETA=-0.174533,DS=-0.00123413
EALIGN,YQDI,DX=-0.01389,DTHETA=0.174533,DS=-0.00123413


! Dipoles: Bending, Pulsed, Short, and small/large Flange Dipoles
BD: RBEND,L=0.0386,ANGLE=0.174533,FINT=0.45
PD: RBEND,L=0.0518,ANGLE=0.10472,FINT=0.45
SD: HKICKER
F1D: KICKER
F2D: VKICKER
F2DD: KICKER

!
! How to model the Helmholtz coils and the Earth Field???
!

! Diagnostics: Current Monitor, Phosphor Screen, and Beam Position Monitors
CM: MONITOR,L=0.0
PS: MONITOR,L=0.0
BPM: MONITOR,L=0.05

! Sequences - Drifts are calculated automatically
OSEC: SEQUENCE
VK: F2D, AT=0.0
Q1: OQD, AT=0.08
B1: BD, AT=0.16
Q2: OQF, AT=0.24
M1: PS, AT=0.293
M2: BPM, AT=0.32
Q3: OQD, AT=0.40
B2: BD, AT=0.48
Q4: OQF, AT=0.56
ENDM: MARKER, AT=0.64
ENDSEQUENCE

NSEC: SEQUENCE
VK: F2D, AT=0.0
Q1: NQD, AT=0.08
B1: BD, AT=0.16
Q2: NQF, AT=0.24
M1: PS, AT=0.293
M2: BPM, AT=0.32
Q3: NQD, AT=0.40
B2: BD, AT=0.48
Q4: NQF, AT=0.56
ENDM: MARKER, AT=0.64
ENDSEQUENCE

! Special Sections, Induction Gaps and Y
ISEC: SEQUENCE
VK: F2D, AT=0.0
Q1: NQD, AT=0.08
B1: BD, AT=0.16
Q2: NQF, AT=0.24
Q3: NQD, AT=0.40
B2: BD, AT=0.48
Q4: NQF, AT=0.56
ENDM: MARKER, AT=0.64
ENDSEQUENCE

OISEC: SEQUENCE
VK: F2D, AT=0.0
Q1: OQD, AT=0.08
B1: BD, AT=0.16
Q2: OQF, AT=0.24
Q3: OQD, AT=0.40
B2: BD, AT=0.48
Q4: OQF, AT=0.56
ENDM: MARKER, AT=0.64
ENDSEQUENCE

YSEC: SEQUENCE
VK: F2D, AT=0.0
Q1: NQD, AT=0.08
B1: BD, AT=0.16
Q2: NQF, AT=0.24
S1: SD, AT=0.271,KICK=-0.03491
Q3: YQDR, AT=0.40
B2: PD, AT=0.48
Q4: YQF, AT=0.56
ENDM: MARKER, AT=0.64
ENDSEQUENCE

! Finally, Define the Beamline
UMER: LINE=(3*OSEC, OISEC, 4*OSEC, NSEC, ISEC, 5*NSEC, ISEC, NSEC, YSEC)
USE,UMER

Created by ramiak
Last modified 2006-08-24 01:36 PM

Note

Posted by ramiak at 2006-08-24 01:37 PM
this uses the old definition of effective length where the field used is the same as the peak field of the magnet.

UMER 2005
Support for the UMER project is being provided by the U. S. Department of Energy.