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The goldstino-matter interactions given by the Goldberger-Treiman relationscan receive higher dimensional operator corrections of $ O(q^{2}/M^{2})$, where$M$ denotes the mass of the mediators through which SUSY breaking istransmitted. These corrections in the gauge mediated SUSY breaking models arisefrom loop diagrams, and an explicit calculation of such corrections ispresented. It is emphasized that the Goldberger-Treiman vertices are valid onlybelow the mediator scale and at higher energies goldstinos decouple from theMSSM fields. The implication of this fact on gravitino cosmology in GMSB modelsis mentioned.Comment: 9 pages, 4 figures, typos corrected, version to appear in Eur. Phys.  J.

Higher dimensional operator corrections to the goldstino Goldberger–Treiman vertices