Interactions of charmed mesons with light pseudoscalar mesons from lattice QCD and implications on the nature of the D s0 * (2317)

By Liuming Liu, K. Orginos, F. Guo, C. Hanhart, U. Meissner. 2012

170 citations recorded by the source corpus.

We study the scattering of charmed mesons (D, D{sub s}) with light pseudoscalar mesons ({pi}, K) in full lattice QCD. The S-wave scattering lengths are calculated using L{umlt u}schers finite volume technique. We use the relativistic Fermilab formulation for the charm quark. For the light quark, we use domain-wall fermions in the valence sector and improved Kogut-Susskind sea quarks. We calculate the scattering lengths of isospin-3/2 D{pi}, D{sub s}{pi}, D{sub s}K, isospin-0 D{anti K} and isospin-1 D{anti K} channels on the lattice. For the chiral extrapolation, we use the chiral unitary approach to next-to-leading order, which at the same time allows us to give predictions for other channels. Furthermore, the hadronic molecular interpretation of the D{sub s0}*(2317) is consistent with our results. The isospin breaking decay width {Gamma}(D{sub s0}*(2317){yields}D{sub s}{pi}) in the hadronic molecular picture is updated to be (89{+-}22)keV.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/f168842926fcfbb21ae5301d78ec9fa143ab1b3a

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In Nuclear and High Energy Physics

1. R. Young
2. J. Dudek
3. R. Briceño
4. C. Hanhart
5. Ulf-G. Meissner
6. Qiang Zhao
7. Feng-Kun Guo
8. Bing-song Zou

Citations in the corpus

• Hadronic molecules (2017, methodology): “Scattering lengths of the same size were also extracted from a study of the scattering of the light pseudoscalars off D-mesons using unitarized chiral perturbation theory (Liu et al., 2013a).”
• Opportunities in Flavour Physics at the HL-LHC and HE-LHC (2018, methodology): “Dynamically they can be generated from charmed-meson–light-meson scattering in unitarized heavy-meson chiral effective theory (UHMChPT) [509–512], using as input the scattering lengths calculated on the lattice [513].”
• Scattering processes and resonances from lattice QCD (2017, methodology): “This methodology has been applied in the study of non-resonant scattering lengths in the heavy-light meson sector (Liu et al., 2013), as well as in chiral extrapolations of the ρ (Bolton et al., 2016; Hu et al., 2016).”