Isospin quantum number of D_{s0}^+(2317)

Details Isospin quantum number of D_{s0}^+(2317) Isospin quantum number of D_{s0}^+(2317)

2004-10-29

arxiv.org/abs/hep-ph/0410393v2

Prog.Theor.Phys.114:1191-1200,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, no figure, RevTeX4, references added and clarification of text

Scientific paper

10.1143/PTP.114.1191

The D_s^+ pi^0 and D_s^{*+} gamma decays of the D_{s0}^+(2317) are studied by assigning it to various charmed strange scalar mesons. As a result, it is found that its assignment to an iso-triplet four-quark meson is favored by the severest experimental constraint on the ratio of the rates for these decays, while assigning it to an I=0 state (a four-quark or a conventional {c\bar{s}}) is inconsistent with this constraint.

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