Abstract.
Although assigning D s0 +(2317) to the I 3 = 0 component \( \hat{F}_{I}^{+}\) of iso-triplet four-quark mesons is favored by experiments, its neutral and doubly charged partners have not yet been observed. It is discussed why they were not observed in inclusive e + e -→c¯ experiment and that they can be observed in B decays.
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Terasaki, K. Ds0 +(2317) as an iso-triplet four-quark meson. Eur. Phys. J. A 31, 676–678 (2007). https://doi.org/10.1140/epja/i2006-10176-7
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DOI: https://doi.org/10.1140/epja/i2006-10176-7