  We derive general analytical expressions for the time-averaged acoustic
radiation force on a small spherical particle suspended in a fluid and located
in an axisymmetric incident acoustic wave. We treat the cases of the particle
being either an elastic solid or a fluid particle. The effects of particle
vibrations, acoustic scattering, acoustic microstreaming, heat conduction, and
temperature-dependent fluid viscosity are all included in the theory. Acoustic
streaming inside the particle is also taken into account for the case of a
fluid particle. No restrictions are placed on the widths of the viscous and
thermal boundary layers relative to the particle radius. We compare the
resulting acoustic radiation force with that obtained from previous theories in
the literature, and we identify limits, where the theories agree, and specific
cases of particle and fluid materials, where qualitative or significant
quantitative deviations between the theories arise.
