Charmed scalar resonances -- Conventional and four-quark mesons

Details Charmed scalar resonances -- Conventional and four-quark mesons Charmed scalar resonances -- Conventional and four-quark mesons

2005-01-20

arxiv.org/abs/hep-ph/0501188v2

Prog.Theor.Phys. 114 (2005) 205-211

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 0 figures, Revtex

Scientific paper

10.1143/PTP.114.205

We propose that there coexist two scalar mesons of different structures (a conventional meson and a four-quark meson) in the recently observed broad bumps just below the large peak of the tensor meson in the D-pi mass distribution. We base this proposal on the interpretation of the charm-strange scalar meson of mass 2317 MeV as a four-quark meson. The strange counterparts of these scalar mesons are also studied.

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