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GRADIENTS GALORE

GRADIENTS GALORE. 1) Cylindrical symmetric B field. 2) Symmetric trajectories. 3). Gradient values from an old design.. (The average of the magnitude is interesting because this is expected to give a more accurate picture in the case of cancellation of

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GRADIENTS GALORE

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  1. GRADIENTS GALORE

  2. 1) Cylindrical symmetric B field 2) Symmetric trajectories

  3. 3)

  4. Gradient values from an old design.. (The average of the magnitude is interesting because this is expected to give a more accurate picture in the case of cancellation of large gradients due to symmetry of the field. This is seen to be the case for some components of interest. However the frequency shift is proportional to the volume average of the gradient ove the measurement cell) dBx/dx =-3.333681e-10 Gauss/cm |dBx/dx|= 6.979500e-09 Gauss/cm dBy/dy= -2.873800e-07 Gauss/cm |dBy/dy|= 2.873800e-07 Gauss/cm dBz/dz= 2.878659e-07 Gauss/cm |dBz/dz| =2.878659e-07 Gauss/cm So it seems that in this case the divergence is satisfied by having ∂By/∂y , ∂Bz/∂z cancel each other, while both are much bigger than ∂Bx/∂x .

  5. T2 depends on ∂Bx/∂x,y,z , with the greatest sensitivity to ∂Bx/∂z again because of the large dimension of the cell in this direction. dBx/dz =-4.720381e-23 Gauss/cm |dBx/dz| =4.116395e-07 Gauss/cm

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