Nikolay Solyak amp Arun Saini Current Layout in LB and HB section cwv60 lattice LB section 08 m 1431 m 51 m Cavity Cavity Cavity Cavity Cavity Cavity NC Doublet ID: 929595
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Slide1
Beam optics in LB and HB section of CW section
Nikolay
Solyak
&
Arun
Saini
Slide2Current Layout in LB and HB section (cw_v6_0 lattice)
LB section
0.8 m
14.31 m
5.1 m
Cavity
Cavity
Cavity
Cavity
Cavity
Cavity
NC Doublet
SC Doublet
0.9 m
1.0 m
0.8 m
HB section
Slide3Motivation
Use of only one type of magnet in LB section
Warm magnets
Leads to change in present layout of
cryomodule.
Optimization of Numbers of cavities per cryomodule
.Permanent magnetsStrength of quadrupoles are constant.Also need to reduce number of cavities than present numbers in HB section.Two layouts are studied.4 cavities and 8 cavities per cryomodule in LB and HB section respectively3 cavities and 6 cavities per cryomodule in LB and HB section respectively.
Slide4Case:1
Beam optics with 4 LB cavities and 8 HB cavities per
cryomodule
Slide5Beam envelopes
Slide6Phase Advance
Slide7Beam emittance
Slide8Synchronous phase and Field amplitudes
Slide9Case 2: 3LB cavities and 6 HB cavities per
cryomodules
Slide10Beam Envelope (4rms)
Slide11Beam RMS Emittance
Slide12Phase Advance
Slide13Synchronous phase and Field amplitudes
Slide14Summary
Sections
Cavity/Mag/
Cryomodule
Energy
LB
4/1*/8480 MeVHB8/1/51GeV
Final Long. Emitt.
Pi.mm.mrad0.255Final Trans.
emitt
Pi.mm.mrad0.208
CASE :1
Sections
Cavity/Mag/
CryomoduleEnergy
LB3/1*/10471 MeV
HB6/1*/71GeVFinal Long.
Emitt.Pi.mm.mrad
0.26Final Trans. emitt
Pi.mm.mrad0.21
CASE :2
4 LB cavities and 8 HB cavities per
cryomodule is possible butFurther studied are need to verify sensitivity against errors.3 LB cavities and 6 HB cavities per
cryomoduleShort focusing period, good for beam optics.But Higher number of
cryomodules