Requirements for RT Shimming of the Brain at 3 Tesla


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Coil Mean Std dev |Mean|+2std
ppm @ 400mm DSV
Z2 -8.83 3.55 15.93
ZX 0.25 1.13 2.52
ZY 0.53 1.03 2.58
X2-Y2 -2.27 2.82 7.91
XY 1.89 1.26 4.4
Z3 2.5 2.87 8.24
Z2X 0.52 0.56 1.64
Z2Y 0.56 1.35 3.26
Z(X2-Y2) 0.1 0.33 0.77
ZXY 0.16 0.14 0.44
X3 -0.03 0.04 0.11
Y3 0.09 0.09 0.28
Z4 -12.23 5.82 23.86

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Stuart Clare 3.5.05