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UMER 76 deg. Matching Settings 2006-10

The table below lists the updated magnet currents for best matching for the most commonly-used beams, for a target sigma_0 of 76 degrees. The calculations use the new hard-edge model, assume new quads throughout the ring, and include bends. See Notes below for some additional information.

  0.6 mA / 5.5 mm emit 5.8 mA / 16 mm emit 23.5 mA / 20 mm emit 100 mA / 60 mm emit
Magnet Position Peak Field [G] Current Peak Field [G] Current Peak Field [G] Current Peak Field [G] Current Magnet
  [cm] or Gradient [G/cm] [A] or Gradient [G/cm] [A] or Gradient [G/cm] [A] or Gradient [G/cm] [A]  
SOL 17.66 88.00 4.92 98.10 5.50 98.10 5.50 102.50 5.75 SOL
Q1 40.00 - - 4.78 1.32 4.78 1.32 4.78 1.32 Q1
Q2 53.50 - - 7.82 2.17 7.93 2.20 8.32 2.30 Q2
Q3 72.41 2.00 0.55 8.42 2.33 7.33 2.03
7.59 2.10 Q3
Q4 91.79 5.43 1.50 8.23 2.28 7.31 2.03
7.55 2.09 Q4
Q5 106.15 7.66 2.12 8.22
2.28 7.68 2.13 7.55 2.09
Q5
Q6 122.14 7.55 2.09 8.14
2.26 8.11
2.25 8.11 2.25 Q6
YQ 137.31 6.45 5.76 6.40 5.71 6.38 5.70 6.38 5.70 YQ
QR1 153.31 6.07 6.01
6.00
5.94 5.98 5.92 5.98 5.92 QR1
QR2 169.31 8.23 2.28 8.16 2.26 8.14 2.25 8.14 2.25 QR2

 
 
 
 
 
QR3 185.31 7.97 2.21 7.97 2.21 7.97 2.21 7.97 2.21 QR3
QR70 1257.31 7.97 2.21 7.97 2.21 7.97 2.21 7.97 2.21 QR70

 
 
 
 
 
QR71 1273.31 8.25 2.29 8.14 2.26 8.11 2.25 8.11
2.25 QR71

 
 
 
 
 
    Target State Target State Target State Target State  
a0 [mm]   1.34 2.85 5.02 10.24
b0 [mm]   1.36 2.96 5.35 10.94
ap0 [mrad] 6.66 13.29 22.53 45.80
bp0 [mrad] 6.76 13.84 24.26 49.55
Created by ramiak
Contributors : Diktys Stratakis
Last modified 2006-11-13 09:43 PM

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The UMER Project is supported by the U.S. Department of Energy, Office of Science, and by the US Department of Defense, Office of Naval Research and the Joint Technology.