Magnet circuits - FIDEL requirements

Magnet Group Desc
Magnet Type
Transfer function Status Harmonics
+
No.
magnets per sector
Main dipoles  
MB
Average of 154 dipoles averaged over both apertures - will take seperate TFs for both apertures V1 FIDEL model parameter loaded

b1, b2, b3, b4, b5,
a1, a2, a3
per sector

(geometric, DCM, saturation, residual & decay and snapback)

b2 in ramp

1232
154
Dec spool  
MCD
Per sector per aperture provisional values from warm measurements.  
Hysteresis
1232
77 per sector per aperture
Oct spool  
MCO
Per sector per aperture provisional values from warm measurements.  
1232
77 per sector per aperture
Sex spool  
MCS
Per sector per aperture provisional values from warm measurements.  
Hysteresis
2464
154 per sector per aperture
Orbit Corrector  
MCBCH
One TF all magnets provisional values from warm measurements.  
78
 
Orbit Corrector  
MCBCV
One TF all magnets provisional values from warm measurements.  
78
 
Arc Orbit Corrector in MSCBA(B,C,D), Horizontal
MCBH
One TF all magnets provisional values from warm measurements.  
376
23/24 per aperture per arc
Arc Orbit Corrector in MSCBA(B,C,D), Vertical
MCBV
One TF all magnets provisional values from warm measurements.  
276
23/24 per aperture per arc
Main quads  
MQ

TF for F quads [A1 & A2]
TF for D quads [A1 & A2]

average of measured transfer function of the MQs (25 arc quadrupoles) during the loadline
c/o Laurent

b2, (b6)

 

392
47 per sector
Trim quads  
MQT
Average TF per 8 magnets in circuit    
320
8 per sector per aperture
Lattice sextupole  
MS
TF per circuits - potentially all the same    
Hysteresis?
12,10,9 per circuit
 
MQTL11.*B1
MQTL11.*B2

(MQTL Inertia Tube Type)
MQTLI
TF per aperture    
 
RQ6.*7/3 Insertion Region Long Trim Quadrupole Half Shell Type [6 long trim quads in series]
MQTLH
TF per aperture    

RQ6.R7B1/RQ6.R7B2
RQ6.L7B1/RQ6.L7B2
RQ6.R3B1/RQ6.R3B2
RQ6.L3B1/RQ6.L3B2 

 
QTL12
QTL13
 
MQT
TF    
 
Lattice Octupole  
MO
TF    
Hysteresis?
8 magnets/circuit
 
Lattice Skew quads  
MQS
TF    
4,2
 
Lattice Skew sex  
MSS
TF    
4/circuit
 
Q4 Insertion Region Wide Aperture
MQY
TF per magnet    
 
Q5  
MQML
TF per aperture    
 
RQ6 - RQ10 Stand alone insertion quads
MQM/MQMC/MQML combinations

TF for MQM/MQML
TF for MQM/MQMC
TF for MQM
TF for MQML

  no
Hysteresis
 
D2 Twin Aperture Separation Dipole
MBRC
One TF for both aperture    
 
D1 warm single aperture warm IR 1 & 5
MBXW
TF    
 
D1 cold single aperture cold
MBX
TF    
 

D4

RD4.R4, RD4.L4

Twin Aperture Separation Dipole Beam1 & Beam2 in series

MBRB
TF    
 

D3

RD3.R4, RD4.L4

Single aperture separation dipole, Beam1 & Beam2 in series
MBRS
TF    
 
MS orbit corrector single aperture
MCBYH
TF provisional values from warm measurements.  
 
MS orbit corrector single aperture
MCBYV
TF provisional values from warm measurements.  
 
Inner triplet QXA  
MQXA
TF per magnet Average TF loaded by hand hamonics if beta * < 1m
2
 
Inner triplet QXB  
MQXB
Average TF per pair Average TF loaded by hand hamonics if beta * < 1m
2
 
IT dipole corrector MCBX - why use?
MCBXH
TF provisional values from cold measurements.  
2
 
IT dipole corrector  
MCBXV
TF provisional values from cold measurements.  
3
 
IT skew quad  
MSQX
TF    
1
 
IT Skew oct  
MCOSX
TF    
1
 
IT Oct  
MCOX
TF    
1
 
IT skew sex  
MCSSX
TF    
1
 
IT sext  
MCSX
TF provisional values - calculated,  
1
 
IT Dodecapole  
MCTX
TF provisional values - calculated,  
1
 
IR3 & 7  
     
 
warm corrector Single Aperture Warm Orbit Horizontal Corrector
MCBWH
TF    
 
warm corrector Single Aperture Warm Orbit Vertical Corrector
MCBWV
TF    
 
RD34.LR3 Twin aperture warm separation circuit, D3 & D4 in series, beam1 & beam2 in series. Left & Right in series.
MBW
TF    
 

RQ4.LR3
RQ5.LR3

Twin aperture warm quadrupole symmetrical FD or DF, Beam1 & beam2 in series, Left & Right in series
MQWA
TF    
 

RQT4.L3
RQT4.R3
RQT5.L3
RQT5.R3

Twin aperture warm quadrupole assymetrical DD or FF (trimming functionality), Beam 1 & Beam 2 in series
MQWB
TF    
 
ALICE & LHCb  
     
 
  Alice dipole
MBAW
     
 
  LHCb dipole
MBLW
     
 
  Single Aperture Warm Dipole Module Compensating 1
Alice Spectrometer
MBWMD
     
 
  Single Aperture Warm Horizontal Dipole Module Compensating 1
LHC-b Spectrometer
MBXWH
     
 
  Single Aperture Warm Horizontal Dipole Short Module
MBXWS
     
 
  Single aperture warm compensator for ALICE
MBXWT