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Open-charm meson systems in the hadrogenesis conjecture

✍ Scribed by Matthias F.M. Lutz; Madeleine Soyeur

Publisher: Elsevier Science
Year: 2008
Tongue: English
Weight: 361 KB
Volume: 61
Category: Article
ISSN: 0146-6410
DOI: 10.1016/j.ppnp.2007.12.038

No coin nor oath required. For personal study only.

✦ Synopsis

We study the spectrum and isospin-violating strong decays of charmed mesons with strangeness. The scalar D * s0 (2317) ± and the axial-vector D * s1 (2460) ± states are generated by coupled-channel dynamics based on the leading order chiral Lagrangian. The effect of chiral corrections is investigated. We show that taking into account large-N c relations implies a measurable signal for an exotic axial-vector state in the ηD * invariant mass distribution. The hadronic decay widths of the scalar D * s0 (2317) ± and the axial-vector D * s1 (2460) ± are predicted to be 140 keV.

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