Semileptonic D0 and D+ decays as a probe of the a0(980) nature
Sobolev Institute for Mathematics, Novosibirsk, 630090
2 Novosibirsk State University, Novosibirsk, 630090
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Published online: 17 June 2019
The and decays (with the charge conjugated ones) are the direct probe of the constituent two-quark components in the and wave functions. Recent BESIII experiment is the first step in experimental study of these decays. We suggest adequate formulas for the data analysis and present a variant of ηπ invariant mass distribution when a0(980) has no constituent two-quark component at all.
© The Authors, published by EDP Sciences, 2019
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