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The $B^{(*)}\bar{K}^{(*)}$-coupled-channel system in the hidden-gauge approach
High Energy Physics - Phenomenology · Submitted 30 Mar 2026 · Published version
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Moreover, the recently seen states by the LHCb with masses around $6100$ and $6160$ MeV can be interpreted as $B\bar{K}^*$ and $B^*\bar{K}^*$ molecular states, according to reasonable values of the pole parameters and the splitting between these two states obtained in our calculation.
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The abstract, sentence by sentence
In this work we provide predictions for bottom-strange molecular states within the Hidden Gauge Formalism. We study the coupled-channel scattering of $B^{(*)}\bar{K}^{(*)}$ states and, by fixing only one free parameter to obtain the mass of a new excited $B_s^0$ state seen by the LHCb, we predict the pole parameters of six states in this sector. Concretely, we get that the masses of the flavor partners of the $D_{s0}(2317)$ and $D_{s1}(2460)$ states in the bottom sector are $5760$ and $5802$ MeV for the $B\bar{K}$ ($J^P=0^+$) and $B^{*}\bar{K}$ ($1^+$) states, respectively. Moreover, the recently seen states by the LHCb with masses around $6100$ and $6160$ MeV can be interpreted as $B\bar{K}^*$ and $B^*\bar{K}^*$ molecular states, according to reasonable values of the pole parameters and the splitting between these two states obtained in our calculation.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | In this work we provide predictions for bottom-strange molecular states within the Hidden Gauge Formalism. | contribution 1.00 | 0.91 | 0.11 | asserted 0.98 |
| s1 | We study the coupled-channel scattering of $B^{(*)}\bar{K}^{(*)}$ states and, by fixing only one free parameter to obtain the mass of a new excited $B_s^0$ state seen by the LHCb, we predict the pole parameters of six states in this sector. | contribution 0.86 | 0.96 | 0.39 | asserted 1.00 |
| s2 | Concretely, we get that the masses of the flavor partners of the $D_{s0}(2317)$ and $D_{s1}(2460)$ states in the bottom sector are $5760$ and $5802$ MeV for the $B\bar{K}$ ($J^P=0^+$) and $B^{*}\bar{K}$ ($1^+$) states, respectively. | result 1.00 | 0.95 | 0.24 | asserted 1.00 |
| s3 | Moreover, the recently seen states by the LHCb with masses around $6100$ and $6160$ MeV can be interpreted as $B\bar{K}^*$ and $B^*\bar{K}^*$ molecular states, according to reasonable values of the pole parameters and the splitting between these two states obtained in our calculation. | interpretation 0.95 | 0.85 | 0.29 | hedged possibility 0.88 |
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The paper
Original abstract
In this work we provide predictions for bottom-strange molecular states within the Hidden Gauge Formalism. We study the coupled-channel scattering of $B^{(*)}\bar{K}^{(*)}$ states and, by fixing only one free parameter to obtain the mass of a new excited $B_s^0$ state seen by the LHCb, we predict the pole parameters of six states in this sector. Concretely, we get that the masses of the flavor partners of the $D_{s0}(2317)$ and $D_{s1}(2460)$ states in the bottom sector are $5760$ and $5802$ MeV for the $B\bar{K}$ ($J^P=0^+$) and $B^{*}\bar{K}$ ($1^+$) states, respectively. Moreover, the recently seen states by the LHCb with masses around $6100$ and $6160$ MeV can be interpreted as $B\bar{K}^*$ and $B^*\bar{K}^*$ molecular states, according to reasonable values of the pole parameters and the splitting between these two states obtained in our calculation.
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References
How the literature uses it
1 arXiv paper cite this in 1 sentence
What it cites · 43 sentences without a confident label
Uses the method or tool of 6 papers
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The Lagrangian for the $3V$ and $PPV$ vertices are [ref] , [equation] and the coupling constant is given by $g=m_ρ/2f_π$.
The Y(3940), Z(3930) and the X(4160) as dynamically generated resonances from the vector-vector interaction · Formalism · 0.98
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The Lagrangian for the $3V$ and $PPV$ vertices are [ref] , [equation] and the coupling constant is given by $g=m_ρ/2f_π$.
Hidden gauge formalism for the radiative decays of axial-vector mesons · Formalism · 0.98
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The Lagrangian for the $3V$ and $PPV$ vertices are [ref] , [equation] and the coupling constant is given by $g=m_ρ/2f_π$.
A new interpretation for the $D^*_{s2}(2573)$ and the prediction of novel exotic charmed mesons · Formalism · 0.98
Uses data or values from 8 papers
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In the PDG, two $B_s^*$ states with masses $6063.5±1.2$ ($6108.8±1.1$) and $6114±3$ ($6158±4$) MeV have been observed with decay widths $Γ=26±4$ ($22±5$) and $66±18$ ($72±18$), respectively, that can decay into $BK̅$($B^*K̅)$, see [ref] .
2010.15931 · Introduction · 0.99
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The energy levels evaluated in [ref] are analyzed by the authors of [ref] in the framework of HMChPT, concluding that the masses of the bottom partners, $B^*_s0$ and $B^*_s1$, are $5710$ and $5760$, respectively.
Predicting positive parity $B_{s}$ mesons from lattice QCD · Introduction · 0.89
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The energy levels evaluated in [ref] are analyzed by the authors of [ref] in the framework of HMChPT, concluding that the masses of the bottom partners, $B^*_s0$ and $B^*_s1$, are $5710$ and $5760$, respectively.
Lowest lying even-parity $\bar B_s$ mesons: heavy quark spin-flavor symmetry, chiral dynamics, and constituent quark model bare masses · Introduction · 0.89
Compares with 4 papers
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Our results are consistent with the theoretical predictions with respect to the Goldberger-Treiman relation [ref] , HMCHPT [ref] , and the previous LQCD [ref] .
Scattering lengths of Nambu-Goldstone bosons off $D$ mesons and dynamically generated heavy-light mesons · Numerical Result · 0.93
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Our results are consistent with the theoretical predictions with respect to the Goldberger-Treiman relation [ref] , HMCHPT [ref] , and the previous LQCD [ref] .
Precise B, B_s and B_c meson spectroscopy from full lattice QCD · Numerical Result · 0.93
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Our results are consistent with the theoretical predictions with respect to the Goldberger-Treiman relation [ref] , HMCHPT [ref] , and the previous LQCD [ref] .
Chiral Multiplets of Heavy-Light Mesons · Numerical Result · 0.93
Cites as support 9 papers
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This is also being supported by Lattice QCD simulations (LQCD) since $DK$($D^*K$) interpolators are needed to extract the masses of these states [ref] , and the analysis of recent lattice data through Effective Field Theory methods, as using unitarized scattering amplitudes based on the Hidden Gauge Formalism (HGF) or Heavy Meson Chiral Perturbation Theory (HMChPT) [ref] .
Interactions of Charmed Mesons with Light Pseudoscalar Mesons from Lattice QCD and Implications on the Nature of the D_{s0}^*(2317) · Introduction · 0.96
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This is also being supported by Lattice QCD simulations (LQCD) since $DK$($D^*K$) interpolators are needed to extract the masses of these states [ref] , and the analysis of recent lattice data through Effective Field Theory methods, as using unitarized scattering amplitudes based on the Hidden Gauge Formalism (HGF) or Heavy Meson Chiral Perturbation Theory (HMChPT) [ref] .
$D_{s0}^*(2317)$ Meson and $D$-Meson-Kaon Scattering from Lattice QCD · Introduction · 0.96
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This is also being supported by Lattice QCD simulations (LQCD) since $DK$($D^*K$) interpolators are needed to extract the masses of these states [ref] , and the analysis of recent lattice data through Effective Field Theory methods, as using unitarized scattering amplitudes based on the Hidden Gauge Formalism (HGF) or Heavy Meson Chiral Perturbation Theory (HMChPT) [ref] .
$D_{s}$ mesons with $DK$ and $D^{*}K$ scattering near threshold · Introduction · 0.96
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