Quark mass dependence of the $D_{s0}^*(2317)$ and $D_{s1}(2460)$ resonances
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| Format: | Preprint |
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2023
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| _version_ | 1866915350914793472 |
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| author | Gil-Domínguez, F. Molina, R. |
| author_facet | Gil-Domínguez, F. Molina, R. |
| contents | We determine the quark mass dependence - light and heavy - of the $D_{s0}^*(2317)$ and $D_{s1}(2460)$ properties, such as, mass, coupling to $DK$, scattering lengths and compositeness, from a global analysis of $DK$ energy levels from LQCD. In particular, we analyze the HSC energy levels for $DK$ scattering in $I=0$ for different boosts and two pion masses. The formalism is based in the local hidden-gauge interaction of Weinberg-Tomozawa type which respects chiral and heavy quark spin symmetries, supplemented by a term that takes into account the $D^{(*)}K$ coupling to a bare $c\bar{s}$ component. The isospin violating decay of the $D_{s0}^*(2317)\to D_{s}^+π^0$ is also evaluated. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2306_01848 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Quark mass dependence of the $D_{s0}^*(2317)$ and $D_{s1}(2460)$ resonances Gil-Domínguez, F. Molina, R. High Energy Physics - Phenomenology High Energy Physics - Lattice We determine the quark mass dependence - light and heavy - of the $D_{s0}^*(2317)$ and $D_{s1}(2460)$ properties, such as, mass, coupling to $DK$, scattering lengths and compositeness, from a global analysis of $DK$ energy levels from LQCD. In particular, we analyze the HSC energy levels for $DK$ scattering in $I=0$ for different boosts and two pion masses. The formalism is based in the local hidden-gauge interaction of Weinberg-Tomozawa type which respects chiral and heavy quark spin symmetries, supplemented by a term that takes into account the $D^{(*)}K$ coupling to a bare $c\bar{s}$ component. The isospin violating decay of the $D_{s0}^*(2317)\to D_{s}^+π^0$ is also evaluated. |
| title | Quark mass dependence of the $D_{s0}^*(2317)$ and $D_{s1}(2460)$ resonances |
| topic | High Energy Physics - Phenomenology High Energy Physics - Lattice |
| url | https://arxiv.org/abs/2306.01848 |