Transverse (lateral) instantaneous force of an acoustical first-order Bessel vortex beam centered on a rigid sphere

► The transverse instantaneous force of a first-order Bessel beam centered on a sphere is determined. ► Only the dipole scattering term contributes to the transverse instantaneous force. ► The transverse force linearly increases versus “ka” at higher half-cone angle values. ► When “ka” becomes larger than unity, the linear relation breaks down. ► The surrounding fluid density affects the rigid movable sphere vibrations.