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