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Article Dans Une Revue Physical Review D Année : 2018

Leptonic D s decays in two-flavor lattice QCD

Résumé

We report on a two-flavour lattice QCD study of the D_s and D_s^* leptonic decays parameterized by the decay constants f_{D_s} and f_{D_s^*}. As the phenomenology in the D_s sector seems very promising in the next years with the experiments LHCb and Belle II, it is worth putting a big effort in lattice computations regarding its non-perturbative QCD contributions. Before examining more challenging processes such as hadron-hadron transitions, a natural first step is to address some basic aspects in the context of leptonic decays, where systematic uncertainties from excited state contaminations and cut-off effects in the computation of charmed meson decay matrix elements can be investigated in a more straightforward setting.

Dates et versions

hal-02329760 , version 1 (23-10-2019)

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Benoit Blossier, Jochen Heitger, Matthias Post, Benoît Blossier. Leptonic D s decays in two-flavor lattice QCD. Physical Review D, 2018, 98 (5), ⟨10.1103/PhysRevD.98.054506⟩. ⟨hal-02329760⟩
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