Matches in SemOpenAlex for { <https://semopenalex.org/work/W4206412281> ?p ?o ?g. }
- W4206412281 abstract "We study the nature of the recently observed ${P}_{cs}(4459)$ by the LHCb collaboration by employing three methods based on the elastic effective-range expansion and the resulting size of the effective-range, the saturation of the compositeness relation and width of the resonance, and a direct fit to data involving the channels $J/ensuremath{psi}mathrm{ensuremath{Lambda}}$, ${mathrm{ensuremath{Xi}}}_{c}^{ensuremath{'}}overline{D}$, and ${mathrm{ensuremath{Xi}}}_{c}{overline{D}}^{*}$. We have also considered the addition of a Castillejo-Dalitz-Dyson (CDD) pole but this scenario can be discarded. Our different analyses clearly indicate the molecular nature of the ${P}_{cs}(4459)$ with a clear ${mathrm{ensuremath{Xi}}}_{c}{overline{D}}^{*}$ dominant component. In relation with heavy-quark-spin symmetry our results also favor the actual existence of two resonances with $J=1/2$ (the lighter one) and $3/2$ (the heavier one) in the energy region of the ${P}_{cs}(4459)$. In the scenario of two-resonance for the ${P}_{cs}(4459)$, the inclusion of the ${mathrm{ensuremath{Xi}}}_{c}^{ensuremath{'}}overline{D}$ channel is required for their mass splitting and it allows one to determine the spin structures of the two resonances." @default.
- W4206412281 created "2022-01-26" @default.
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- W4206412281 date "2021-12-28" @default.
- W4206412281 modified "2023-10-17" @default.
- W4206412281 title "Insights into the nature of the <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:msub><mml:mi>P</mml:mi><mml:mrow><mml:mi>c</mml:mi><mml:mi>s</mml:mi></mml:mrow></mml:msub><mml:mo stretchy=false>(</mml:mo><mml:mn>4459</mml:mn><mml:mo stretchy=false>)</mml:mo></mml:math>" @default.
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- W4206412281 doi "https://doi.org/10.1103/physrevd.104.114034" @default.
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