1 Ocak 2023 Dergi makalesi Açık Erişim

Agaev, S. S.; Azizi, K.; Sundu, H.

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    <subfield code="a">&lt;p&gt;The doubly charged scalar resonance ${T}_{cs0}^{a}\left(2900{\right)}^{++}$ is studied in the context of the hadronic molecule model. We consider ${T}_{cs0}^{a}\left(2900{\right)}^{++}$ as a molecule $M={D}^{*+}{K}^{*+}$ composed of vector mesons and calculate its mass, current coupling, and full width. The spectroscopic parameters of $M$, i.e., its mass and current coupling, are found by means of the QCD two-point sum rule method by taking into account vacuum expectation values of quark, gluon, and mixed operators up to dimension 10. The width of the molecule $M$ is evaluated through the calculations of the partial widths of the decay channels $M\to {D}_{s}^{+}{\pi }^{+}$, $M\to {D}_{s}^{*+}{\rho }^{+}$, and $M\to {D}^{*+}{K}^{*+}$. Partial widths of these processes are determined by strong couplings ${g}_{1}$, ${g}_{2}$, and ${g}_{3}$ of particles at vertices $M{D}_{s}^{+}{\pi }^{+}$, $M{D}_{s}^{*+}{\rho }^{+}$, and $M{D}^{*+}{K}^{*+}$, respectively. We calculate the couplings ${g}_{i}$ by employing the QCD light-cone sum rule approach and technical tools of the soft-meson approximation. Predictions obtained for the mass $m=\left(2924±107\right)\text{}\text{}\mathrm{MeV}$ and width $\Gamma =\left(123±25\right)\text{}\text{}\mathrm{MeV}$ of the hadronic molecule $M$ allow us to consider it as a possible candidate of the resonance ${T}_{cs0}^{a}\left(2900{\right)}^{++}$.&lt;/p&gt;</subfield>
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    <subfield code="a">Agaev, S. S.</subfield>
    <subfield code="u">Institute for Physical Problems, Baku State University, Az–1148 Baku, Azerbaijan</subfield>
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    <subfield code="a">10.1103/PhysRevD.107.094019</subfield>
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    <subfield code="a">Modeling the resonance ${T}_{cs0}^{a}\left(2900{\right)}^{++}$ as a hadronic molecule ${D}^{*+}{K}^{*+}$</subfield>
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    <subfield code="a">Azizi, K.</subfield>
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    <subfield code="a">Sundu, H.</subfield>
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