Fixed-field alternating gradient accelerator: Difference between revisions

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m typo
m fix spacing around math (via WP:JWB)
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*<math> \psi=N~[\tan~\zeta~\ln(r/r_0)~ - ~\theta]</math>,
*<math>k</math> is the field index,
*<math>N </math> is the periodicity,
*<math>\zeta</math> is the spiral angle (which equals zero for a radial machine),
*<math>r</math> the average radius, and