Research Article

Mass Spectra and Decay Constants of Heavy-Light Mesons: A Case Study of QCD Sum Rules and Quark Model

Table 1

Mass spectra of heavy-light mesons in MeV. QM denotes quark model and SR denotes sum rule calculations. The parameters are , , , [52], , , and .

Meson Exp. [2] QM SR [9] [14]

1869.3 0.4 1859 1972 94 1870.82 1854.7
ā€‰ 1968.2 0.4 2056 2118 75 1966.62 1974.5
5279.0 0.5 5260 5259 109 5273.50 5277.2
5367.7 1.8 5442 5488 76 5365.99 5384.8