Download Design of final -focus magnetsl-6

Design of final-focus magnet for FCCee
Pavel Vobly BINP
CERN
January 2017
Design of final-focus magnets for FCC ee
A-A
B-B
•Transverse section A-A
Transverse section A-A
Transverse section B-B
Design of final-focus magnets for FCC ee
Iron
Stainless vacuum
camber
Superconducting
coil
Nitrogen screen
superconducting cable has a rectangular shape in
size 1.4 * 0.8 mm
Design of final-focus magnets for FCC ee
Stainless steel Bandage of superconducting
coils
Design, of final-focus magnets for FCC ee
Superconducting coil
Nitrogen screen
Distribution of force line
Distribution of magnetic induction
Design of final-focus magnets for FCC ee
gr
Relative error of 6th harmonics at the
radius of 2 cm is 0.0018
Gradient of 7.5 Kgs/cm at
a radius 2 cm
Design of final-focus magnets for FCC ee
Relative error of 6th harmonics in
the radius of 1.2 cm is 0.001
Gradient in lens of 10.5 KgG/cm
at radius of 1.2 cm
Design of final-focus magnets for FCC
E-e
Nitrogen screen
Stainless steel vacuum
chamber
Distribution of magnetic lines of force
Distribution of magnetic induction in iron
Design of final-focus magnets for FCC
•
2 cm
Gradient 20 Kgs/cm at a radius
1.8 cm
Relative error of 6th harmonic at a
radius 1.8 cm
Maximum magnetic field in area of cuperconducting coil is ~60 kGs
Current in superconducting wire is 1.4 Ka.