Spectroscopy of excited charmed mesons

Abstract

We derive mass formulas for the P-wave orbitally excited D0(s)∗, D1(s)′, D1(s), and D2(s)∗ heavy charmed mesons including all effects from one-loop corrections that contribute at leading order in chiral expansion. In our formalism, the effects to first order in mq, where mq is the light quark mass, and to first order in mc-1, where mc is the charm quark mass, and mq/mc terms are considered. The experimental and lattice QCD results on the charmed meson spectra are employed to fix the large number of counterterms appearing in the effective chiral Lagrangian used in this work. This allows us to test the validity of perturbative expansion of our theory. The results presented in the current paper are useful to other applications of excited charmed and bottom meson systems.