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Charm meson resonances and D to V semileptonic form factors
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Charm meson resonances and D to V semileptonic form factors
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Using limits of large energy effective theory and heavy quark effective theory we propose a simple parametrization of the heavy to light H to V semileptonic form factors. Then we reconsider D to V l nu_l decays within a model which combines heavy meson and chiral symmetry. In our Lagrangians we include contributions coming from excited charm meson states, some of them recently observed. Within this framework we determine all parameters describing the shapes of the form factors and calculate branching ratios and helicity ratios for all D to V l nu_l decays.
Forward citations
Cited by 1 Pith paper
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Review of experimental studies of charmed meson decays at BESIII
A review of BESIII charmed meson decay studies presents the most precise averages for |V_cs|, |V_cd|, D and D_s decay constants, and several hadronic form factors from combined experimental results.
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