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Accelerator Magnets
Magnets (prototypes) for SSC (USA)
Magnetic elements for the BESSY-II synchrotron (Germany)
Magnetic elements for the Swiss Light Source (Switzerland)
Steering magnets for the KEK B-factory (Japan)
Dipoles and quadrupoles for the LHC transfer lines (CERN)
Four types of dipoles for LHC (CERN)
Dipoles and quads for the Grand Sasso transfer lines (CERN)
Dipoles and quads and sexts for the SAGA light source (Japan)
Quadrupoles for SNS (BNL, USA)
Quadrupoles for the SOLEIL booster (France)
Sextupoles for Diamond synchrotron (UK)
Octupoles and sqew-quadrupoles for the Duke University synchrotron (USA)
SR magnetic system (dipoles, quads, sexts and octupoles) for the MLS (Germany)
Transfer Line for the Metrology Light Source (Germany)
Quadrupoles and Sextupoles for the ALBA (Spain)
Accelerator Magnets
Prototypes of magnets for SSC (1993)
- LEB sextupole magnet.
- LEB low/high field quadrupole magnets.
- LEB steering magnet.
Accelerator Magnets
BESSY-II booster synchrotron (1995)
Design, manufacture and installation in the tunnel
Transportation of the magnet assembly
Accelerator Magnets
KEK B steering magnets (1997)
BINP has designed and fabricated
correction magnets for the high energy
(HER) and low energy (LER) rings of
the KEK B-factory.
Main Mechanical, Electrical and Magnetic
Parameters of the KEKB Correction Magnets
Type of the magnet LER_ARC HER_ARC LER_RF HER_RF
Energy GeV 3.5 8.0 3.5 8.0
Deflection angle mrad 1 1 1 1
Total number of the magnets 392 360 25 54
Field integral Gscm 12520 28450 11800 26620
Magnetic field at I = 5 Amps Gs 392 1008 323 733
Length of the laminated core mm 198 198 190 190
Overall length of the magnet mm 292 301 292 332
Gap mm 128 80 190 190
Number of turns 2400 2648 2500 21152
Accelerator magnets
SLS (1999-2000)
Installation and alignment
306 quadrupole and
sextupole magnets
Accelerator magnets
Table of multipoles produced at Budker INP for the magnetic
system of Swiss Light Source
Multipole type QA/QAW QB/QBW QC/QCW SR/SRW
Number of magnets 42/12 42/12 54/12 83/38
Magnetic length (m) 0.20 0.32 0.44 0.20
Maximum magnetic strength 20 T/m 20 T/m 20 T/m 640 T/m2
Max. current (A) 120 120 120 120
Amper-turns per pole 7400 7400 7400 3480
Axis position (mm) ± 30 mm ± 30 mm ± 30 mm ± 30 mm
Roll angle (mrad) ± 0.35 ± 0.35 ± 0.35 ± 0.35
Precision of field reproducibility in
2.5.10 2.5.10-4 2.5.10-4 5.10-4
seria of lenses at R=28mm
Good field region hv (mm) 60x34 60x34 60x34 68x34
Field quality into region 2x10-4 2x10-4 2x10-4 2x10-4
Accelerator magnets
Parameter Units Value
Number of magnets 360
Specified operating field T 1.81
Gap mm 25
Magnetic length m 6.32
Good field region: mm
Parameter Units Value Integral field quality Bdl/Bdl in the
04
good field region
Number of magnets 180
Current peak at B=1.81T A 5270
Nominal gradient T/m 53.5
Dissipated power at B=1.81T kW 11
Bore diameter mm 32
Overall length mm 6700
Effective length m 1.4
Overall width: mm 584
Good field region over X, Y : mm ± 20
Overal1 height mm 367
Field quality G/G, Gdl/Gdl in
± 2´10-3 Total weight kg 8800
the good field region
Current peak A 530
Overall length mm 1500
Overall width: mm 392
Overal1 height mm 411
Total weight kg 1070
Dissipated power kW 11
MBI and MQI for LHC injection transfer line (1999)
Accelerator Magnets
“Warm” magnets MCIA correctors
100 Horizontal/Vertical. correctors
MBW MBXW MBG
L: 3.4 m 3.4 m 6.3 m L = 0.45 m
B: 1.4 T 1.4 T 1.9 T B = 0.3 T
No: 24 35 78
CERN 2002-2003
Accelerator Magnets
SAGA SR source (Japan), 2003
40 quadrupoles
16 sextupoles
16 C-shape curved dipole magnets
Accelerator Magnets
Quadrupoles for SNS (BNL, USA)
SOLEIL booster quadrupoles (2004)
Accelerator Magnets
DIAMOND sextupoles (2004-2005)
174 sextupoles
+ 2 prototypes
Accelerator Magnets
Transfer Line of the Metrology Light Source (2006)
Bending magnet
Quad (10) & corrector (8)
Accelerator Magnets
Magnetic system of the Metrology Light Source (2005-2006)
Aperture radius 35 mm Aperture radius 38 mm Aperture radius 43 mm
Yoke length 165 mm Yoke length 80 mm Yoke length 80 mm
Gradient 13 T/m Strength 280 T/m2 Strength 2400 T/m3
Good field radius 30 mm Good field radius 30 mm Good field radius 30 mm
dGL/GL ≤ 2*10-3 dSL/SL ≤ 2*10-2 dOL/OL ≤ 2*10-2
Magnetic length 200.6 mm Magnetic length 100.2 mm Magnetic length 99 mm
Current 92.7 A Current 34 A Current 6.1 A
Power loss 1.3 kW Power loss 240 W Power loss 12 W
Accelerator Magnets
Magnetic system of the Metrology Light Source (2005-2006)
Bending magnets
Number of magnets 8
Bending angle, deg 45
Bending radius, mm 1528
Gap, mm 50 ± 0.02
Field range, T up to 1.5
Good field area, mm2 60 x 36 100 mA 600 MeV
Homogeneity dB/B 2.5x10-4
Magnetic Field Measuring Systems
NMR measuring system (Duke Univ., USA), 1995
3D multi-channel magnetic field measuring system for Babar detector
(SLAC, USA), 1998.
Sensor for direction of magnet line measuring (BINP, FNAL).
Hall probes array magnetic field measuring systems
(FEL Duke), 1995; (BESSY), 1997; (PSI, Switzerland), 1999;
(SOLEIL), 2005
Rotating coils measuring system (PSI, Switzerland), 1999.
Magnetic Field Measuring Systems
Rotating coils measuring
system (PSI, Switzerland),
1999.
Magnetic Field Measuring Systems
Hall probe measuring system
(SOLEIL, France), 2005.
Magnetic Field Measuring Systems
MBW magnet field mapping
with the Hall probe array.
MLS Dipole magnet
field mapping with the
Hall probe array.
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