Abstract
We systematically compute the Λb(p,sb)→Λc(2595)+ and Λb(p,sb)→Λc(2625)+ form factors within the heavy quark effective theory (HQET) framework including O(1/mc2). Besides taking into account the Standard Model–like vector and axial contributions, we further determine tensor and pseudotensor form factors. Our work constitutes a step forward with respect to previous analyses allowing for a comprehensive study of the matrix element parametrization stemming from the HQET formalism. Finally, we demonstrate that the resulting form factors agree well with lattice quantum chromodynamics determinations stressing the need and relevance of the newly derived 1/mc2 corrections. Published by the American Physical Society 2024
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