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The transversity and the tensor charge of the nucleon, currently under activeinvestigation experimentally and theoretically, are fundamental quantities inhadron physics as well as for our comprehension of the nucleon structure. Sometension between the values of the tensor charge, as computed on the basis ofphenomenological extractions and lattice QCD calculations, has been observed.In this letter, by means of an explicit example, we study the role ofassumptions, usually adopted in phenomenological parametrizations, and we showthat, by relaxing some of them, such a tension could be eased.

Role of the Soffer bound in determination of transversity and the tensor charge