  Dimensional continuation is employed to compute the energy loss rate for a
non-relativistic particle moving through a highly ionized plasma. No
restriction is made on the charge, mass, or speed of this particle, but it is
assumed that the plasma is not strongly coupled in that the dimensionless
plasma coupling parameter g= e^2 \kappa_D/4\pi T is small, where \kappa_D is
the Debye wave number. To leading order in this coupling, dE/dx is of the
generic form g^2 \ln[g^2 C]. The prefactor of the logarithm is well known. We
compute the constant C under the logarithm exactly. Our result differs from
approximations given in the literature, with differences in the range of about
20% for cases relevant to inertial confinement fusion experiments.
