A calculation method of emittance growth of an electron beam due to intrabeam scattering is described. The 3 degrees of freedom are equally treated in the beam rest frame, and the couplings between them are included in a natural way. This formalism is suitable for the calculation of the emittance growth with the beam-envelope method.

• Received 6 September 2001

DOI:https://doi.org/10.1103/PhysRevSTAB.4.124401

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