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Recently, the BESIII collaboration has reported numerous measurements of various D(s) meson semileptonic decays with significantly improved precision. Together with similar studies carried out at BABAR, Belle, and CLEO, new windows to a better understanding of weak and strong interactions in the charm sector have been opened. In light of new experimental data, we review the theoretical description...
The mass spectra and decay properties of heavy quarkonia are computed in nonrelativistic quark-antiquark Cornell potential model. We have employed the numerical solution of Schrödinger equation to obtain their mass spectra using only four parameters namely quark mass ($$m_c$$ mc , $$m_b$$ mb ) and confinement strength ($$A_{c\bar{c}}$$ Acc¯ , $$A_{b\bar{b}}$$ Abb¯ ). The spin hyperfine, spin-orbit...
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