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In this paper we carry out the boundary form factor program for theA(2)-affine Toda field theory at the self-dual point. The latter is anintegrable model consisting of a pair of particles which are conjugated to eachother and possessing two bound states resulting from the scattering processes 1+1 -> 2 and 2+2-> 1. We obtain solutions up to four particle form factors fortwo families of fields which can be identified with spinless and spin-1 fieldsof the bulk theory. Previously known as well as new bulk form factor solutionsare obtained as a particular limit of ours. Minimal solutions of the boundaryform factor equations for all A(n)-affine Toda field theories are given, whichwill serve as starting point for a generalisation of our results to higher rankalgebras.

Form factors of boundary fields for A(2)-affine Toda field theory