Dynamically Generated Open and Hidden Charm Meson Systems

Abstract

We will study open and hidden charm scalar meson resonances within two different models. The first one is a direct application of a chiral Lagrangian already used to study flavor symmetry breaking in Skyrme models. In another approach to the problem a SU(4) symmetric Lagrangian is built and the symmetry is broken down to SU(3) by identifying currents where heavy mesons are exchanged and suppressing those. Unitarization in couple channels leads to dynamical generation of resonances in both models, in particular a new hidden charm resonance with mass 3.7 GeV is predicted. The small differences between these models and with previous works will be discussed.

32 pages, 10 figures. Added extra calculations with explicit symmetry breaking terms in chiral Lagrangians

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Cited by in corpus (232)

• Hadronic molecules
• The $XYZ$ states: experimental and theoretical status and perspectives
• A review of the open charm and open bottom systems
• Exotic Hadrons with Heavy Flavors -X, Y, Z and Related States-
• Dynamically generated $N^{\ast }$ and ${\Lambda }^{\ast }$ resonances in the hidden charm sector around 4.3 GeV
• Chiral perturbation theory for heavy hadrons and chiral effective field theory for heavy hadronic molecules
• A survey of heavy-heavy hadronic molecules
• Vector meson-vector meson interaction in a hidden gauge unitary approach
• The Heavy Quark Spin Symmetry Partners of the X(3872)
• Interactions of Charmed Mesons with Light Pseudoscalar Mesons from Lattice QCD and Implications on the Nature of the D_{s0}^*(2317)
• Origin of resonances in the chiral unitary approach
• $D_s$ mesons with $DK$ and $D^{\ast }K$ scattering near threshold
• Interactions between heavy mesons and Goldstone bosons from chiral dynamics
• Light Flavour and Heavy Quark Spin Symmetry in Heavy Meson Molecules
• Exotic Hadrons from Heavy Ion Collisions
• Weak decays of heavy hadrons into dynamically generated resonances
• ${\Lambda }_{c}N$ bound states revisited
• A new interpretation for the $D_{s2}^{\ast }(2573)$ and the prediction of novel exotic charmed mesons
• Heavy-quark spin and flavour symmetry partners of the X(3872) revisited: what can we learn from the one boson exchange model?
• Two-pole structure of the $D_0^{\ast }(2400)$
• Radiative and isospin-violating decays of Ds mesons in the hadrogenesis conjecture
• Prediction of an $I=1$ $D{\bar{D}}^{\ast }$ state and relationship to the claimed $Z_c(3900)$, $Z_c(3885)$
• $B^0$ and $B_s^0$ decays into $J/\psi$ $f_0(980)$ and $J/\psi$ $f_0(500)$ and the nature of the scalar resonances
• Scattering lengths of Nambu-Goldstone bosons off $D$ mesons and dynamically generated heavy-light mesons
• Amplitude analysis of $B^{-}\to D^{+}{\pi }^{-}{\pi }^{-}$ decays
• Masses and decay constants of the $D_{s0}^{\ast }(2317)$ and $D_{s1}(2460)$ from $N_f=2$ lattice QCD close to the physical point
• Towards a theory of hadron resonances
• Subleading contributions to the width of the D_{s0}*(2317)
• Implications of heavy quark spin symmetry on heavy meson hadronic molecules
• Thermal Relaxation of Charm in Hadronic Matter
• $X_0(2866)$ as a $D^{\ast }{\bar{K}}^{\ast }$ molecular state
• Molecular picture for the $X_0(2866)$ as a $D^{\ast }{\bar{K}}^{\ast }$ $J^P=0^{+}$ state and related $1^{+},2^{+}$ states
• Towards a new paradigm for heavy-light meson spectroscopy
• The low lying scalar resonances in the $D^0$ decays into $K_s^0$ and $f_0(500)$, $f_0(980)$, $a_0(980)$
• Deriving the existence of $B{\bar{B}}^{\ast }$ bound states from the X(3872) and Heavy Quark Symmetry
• Exotic baryons from a heavy meson and a nucleon -- Negative parity states --
• Charmonium-like resonances with $J^{PC}=0^{++},2^{++}$ in coupled $D\bar{D}$, $D_s{\bar{D}}_s$ scattering on the lattice
• Baryon states with open beauty in the extended local hidden gauge approach
• Exotic nuclei with open heavy flavor mesons
• Molecular components in P-wave charmed-strange mesons
• Hidden beauty molecules within the local hidden gauge approach and heavy quark spin symmetry
• Light meson mass dependence of the positive parity heavy-strange mesons
• Dynamically generated open charmed baryons beyond the zero range approximation
• Dynamically generated $J^P=1/2^{-}(3/2^{-})$ singly charmed and bottom heavy baryons
• The Y(4260) as a $J/\psi K\bar{K}$ system
• Low-energy interactions of Nambu-Goldstone bosons with $D$ mesons in covariant chiral perturbation theory
• Strong and radiative decays of the $D_{s0}^{\ast }(2317)$ and $D_{s1}(2460)$
• Exotic dynamically generated baryons with negative charm quantum number
• The $KD$, $\eta D_s$ interaction in finite volume and the nature of the $D_{s^{\ast }0}(2317)$ resonance
• Hadronic molecules in B decays
• Novel coupled channel framework connecting quark model and lattice QCD: an investigation on near-threshold $D_s$ states
• The "$a_1(1420)$" peak as the $\pi f_0(980)$ decay mode of the $a_1(1260)$
• A Review on Partial-wave Dynamics with Chiral Effective Field Theory and Dispersion Relation
• Charm-beauty meson bound states from $B(B^{\ast })D(D^{\ast })$ and $B(B^{\ast })\bar{D}({\bar{D}}^{\ast })$ interaction
• Hidden charm dynamically generated resonances and the $e^{+}{e}^{-}\to J/\psi D\bar{D}$, $J/\psi D{\bar{D}}^{\ast }$ reactions
• D-meson propagation in hot dense matter
• How the X(5568) challenges our understanding of QCD
• Hidden beauty baryon states in the local hidden gauge approach with heavy quark spin symmetry
• A meson-baryon molecular interpretation for some ${\Omega }_c$ excited baryons
• Light Pseudoscalar Meson and Heavy Meson Scattering Lengths
• More kaonic bound states and a comprehensive interpretation of the D_{sJ} states
• Detecting the long-distance structure of the X(3872)
• $DK$, $DDK$, and $DDDK$ molecules--understanding the nature of the $D_{s0}^{\ast }(2317)$
• Study of the $DK$ interaction with femtoscopic correlation functions
• Molecular states from $D^{(\ast )}{\bar{D}}^{(\ast )}/B^{(\ast )}{\bar{B}}^{(\ast )}$ and $D^{(\ast )}{D}^{(\ast )}/{\bar{B}}^{(\ast )}{\bar{B}}^{(\ast )}$ interactions
• Contribution of constituent quark model $c\bar{s}$ states to the dynamics of the $D_{s0}^{\ast }(2317)$ and $D_{s1}(2460)$ resonances
• Newly observed $D_J(3000{)}^{+,0}$ and $D_J^{\ast }(3000{)}^0$ as $2P$ states in $D$ meson family
• $DDK$ system in finite volume
• Study of open-charm $0^{+}$ states in unitarized chiral effective theory with one-loop potentials
• Low-lying even parity meson resonances and spin-flavor symmetry
• $D_{s0}^{\ast }(2317)$ and $DK$ scattering in $B$ decays from BaBar and LHCb data
• Scattering of unstable particles in a finite volume: the case of pi rho scattering and the a1(1260) resonance
• How much is the compositeness of a bound state constrained by $a$ and $r_0$? The role of the interaction range
• Prediction of a $Z_c(4000)$ $D^{\ast }{\bar{D}}^{\ast }$ state and relationship to the claimed $Z_c(4025)$
• The radiative decay of $\psi (3770)$ into the predicted scalar state X(3700)
• Nonresonant explanation for the Y(4260) structure observed in the $e^{+}{e}^{-}\to J/\psi {\pi }^{+}{\pi }^{-}$ process
• Charm and hidden charm scalar mesons in the nuclear medium
• Testing the molecular nature of ${\mathbf{D}}_{\mathbf{s}0}^{\ast }(2317)$ and ${\mathbf{D}}_0^{\ast }(2400)$ in semileptonic ${\mathbf{B}}_{\mathbf{s}}$ and $\mathbf{B}$ decays
• Compositeness of S-wave weakly-bound states from next-to-leading order Weinberg's relations
• Role of scalar $a_0(980)$ in the single Cabibbo Suppressed process $D^{+}\to {\pi }^{+}{\pi }^0\eta$
• $K^{\ast }$ mesons with hidden charm arising from $KX(3872)$ and $K{Z}_c(3900)$ dynamics
• Triangle singularities in $B^{-}\to K^{-}{\pi }^{-}{D}_{s0}^{+}$ and $B^{-}\to K^{-}{\pi }^{-}{D}_{s1}^{+}$
• A QCD sum rule study for a charged bottom-strange scalar meson
• Two-photon and one photon-one vector meson decay widths of the $f_0(1370)$, $f_2(1270)$, $f_0(1710)$, $f_2^{\prime }(1525)$, and $K_2^{\ast }(1430)$
• Establishing the heavy quark spin and light flavor molecular multiplets of the $X(3872)$, $Z_c(3900)$ and $X(3960)$
• Analysis of the $X(3960)$ and related tetraquark molecular states via the QCD sum rules
• Strategy to find the two $\Lambda (1405)$ states from lattice QCD simulations
• Molecular Interpretation of $X(3960)$ as $D_s^{+}{D}_s^{-}$ State
• Predicting the ${\bar{D}}_s^{(\ast )}{D}_s^{(\ast )}$ bound states as the partners of $X(3872)$
• Analysis of the $\mathbf{\gamma \gamma }\to \mathbf{D}\bar{\mathbf{D}}$ reaction and the $D\bar{D}$ bound state
• $NDK$, $\bar{K}DN$ and $ND\bar{D}$ molecules
• Where is the lightest charmed scalar meson?
• Bound state formation in the $DDK$ system
• Axial meson exchange and the $Z_c(3900)$ and $Z_{cs}(3985)$ resonances as heavy hadron molecules
• Excited $K$ meson, $K_c(4180)$, with hidden charm as a $D\bar{D}K$ bound state
• Open charm meson in nuclear matter at finite temperature beyond the zero range approximation
• Update on strong and radiative decays of the $D_{s0}^{\ast }(2317)$ and $D_{s1}(2460)$ and their bottom cousins
• Hidden charm molecules in finite volume
• The pion-pion Interaction in the rho Channel in Finite Volume
• $B^0$ and $B_s^0$ decays into $J/\psi$ plus a scalar or vector meson
• Measurement of the absolute branching fraction of $D_{s0}^{\ast \pm }(2317)\to {\pi }^0{D}_s^{\pm }$
• The role of $f_0(1710)$ in the $\varphi \omega$ threshold peak of $J/\Psi \to \gamma \varphi \omega$
• Production of exotic hadrons in $pp$ and nuclear collisions
• $D\bar{D}$ production and their interactions
• Radiative decay of the dynamically generated open and hidden charm scalar meson resonances D_{s0}^*(2317) and X(3700)
• Production of $D_{s0}^{\ast }(2317)$ and $D_{s1}(2460)$ in $B$ decays as $D^{(\ast )}K$ and $D_s^{(\ast )}\eta$ molecules
• Triangle singularities in $B^{-}\to D^{\ast 0}{\pi }^{-}{\pi }^0\eta$ and $B^{-}\to D^{\ast 0}{\pi }^{-}{\pi }^{+}{\pi }^{-}$
• $B^0\to D^0{\bar{D}}^0{K}^0$, $B^{+}\to D^0{\bar{D}}^0{K}^{+}$ and the scalar $D\bar{D}$ bound state
• Strong decays of the explicitly exotic doubly charmed $DDK$ bound state
• Aspects of the low-energy constants in the chiral Lagrangian for charmed mesons
• Two-photon decay of heavy hadron molecules
• Heavy-hadron molecular spectrum from light-meson exchange saturation
• Study of the $DKK$ and $DK\bar{K}$ systems
• Anomalous enhancement of the isospin-violating $\Lambda (1405)$ production by a triangle singularity in ${\Lambda }_c\to {\pi }^{+}{\pi }^0{\pi }^0{\Sigma }^0$
• $f_0(980)$ production in $D_s^{+}\to {\pi }^{+}{\pi }^{+}{\pi }^{-}$ and $D_s^{+}\to {\pi }^{+}{K}^{+}{K}^{-}$ decays
• The $X(3960)$ seen in $D_s^{+}{D}_s^{-}$ as the $X(3930)$ state seen in $D^{+}{D}^{-}$
• Is $X(7200)$ the heavy anti-quark diquark symmetry partner of $X(3872)$?
• Searching for a $D\bar{D}$ bound state with the $\psi (3770)\to \gamma D^0{\bar{D}}^0$ decay
• Three methods to detect the predicted $D\bar{D}$ scalar meson X(3700)
• Theoretical study of the $D^0\to K^{-}{\pi }^{+}\eta$ reaction
• Revisiting $D_{s0}^{\ast }(2317)$ as a $0^{+}$ tetraquark state from QCD sum rules
• Understanding the $0^{++}$ and $2^{++}$ charmonium(-like) states near 3.9 GeV
• Quasi-two-body decays $B_{(s)}\to P{D}_0^{\ast }(2400)\to PD\pi$ in the perturbative QCD approach
• Properties of open and hidden charm mesons in light quark matter
• On the binding of the $BD\bar{D}$ and $BDD$ systems
• Hadronic-loop induced mass shifts in scalar heavy-light mesons
• Radiative decays of dynamically generated charmed baryons
• Spectrum of the molecular tetraquarks: Unraveling the $T_{cs0}(2900)$ and $T_{c\bar{s}0}^a(2900)$
• $B_s\pi$--$B\bar{K}$ interactions in finite volume and the $X(5568)$
• The $K\bar{K}\pi$ decay of the $f_1(1285)$ and its nature as a $K^{\ast }\bar{K}-cc$ molecule
• Production rates of $D_s^{+}{D}_s^{-}$ and $D\bar{D}$ molecules in $B$ decays
• Implications of chiral symmetry on $S$-wave pionic resonances and the scalar charmed mesons
• Search for a $D\bar{D}$ bound state in the ${\Lambda }_b\to \Lambda D\bar{D}$ process
• The role of the triangle singularity in $\Lambda (1405)$ production in the ${\pi }^{-}p\to K^0\pi \Sigma$ and $pp\to p{K}^{+}\pi \Sigma$ processes
• Charm and Bottom Hadrons in Hot Hadronic Matter
• Dispersive analysis of the $\gamma \gamma \to D\bar{D}$ data and the confirmation of the $D\bar{D}$ bound state
• ${\chi }_{c0}(1P)$ decay into $\bar{\Sigma }\Sigma \pi$ in search of an $I=1$, $1/2^{-}$ baryon state around $\bar{K}N$ threshold
• Charm and Hidden Charm Scalar Resonances in Nuclear Matter
• The Pseudoscalar Meson and Heavy Vector Meson Scattering Lengths
• A study of $\eta K\bar{K}$ and ${\eta }^{\prime }K\bar{K}$ with the fixed center approximation to Faddeev equations
• Reanalysis of the $e^{+}{e}^{-}\to (D^{\ast }{\bar{D}}^{\ast }{)}^{\pm }{\pi }^{\mp }$ reaction and the claim for the $Z_c(4025)$ resonance
• The $D^{\ast }{D}^{\ast }\bar{D}$ and $D^{\ast }{D}^{\ast }{\bar{D}}^{\ast }$ Three-Body Systems
• Lowest lying even-parity ${\bar{B}}_s$ mesons: heavy quark spin-flavor symmetry, chiral dynamics, and constituent quark model bare masses
• X(3872) in a hot pion bath
• Bound states on the lattice with partially twisted boundary conditions
• Faddeev fixed-center approximation to the $D\bar{D}K$ system and the hidden charm $K_{c\bar{c}}(4180)$ state
• Charm Penguin in $B^{\pm }\to K^{\pm }{K}^{+}{K}^{-}$: partonic and hadronic loops
• The $DN$, $\pi {\Sigma }_c$ interaction in finite volume and the ${\Lambda }_c(2595)$ resonance
• Predicting the existence of a 2.9 GeV $D{f}_0(980)$ molecular state
• $D_{s0}^{\ast }(2317{)}^{+}$ in the decay of $B_c$ into $J/\psi DK$
• The possibility of $X(4014)$ as a $D^{\ast }{\bar{D}}^{\ast }$ molecular state
• Resonant state $D_0^{\ast }(2400)$ in the quasi-two-body $B$ meson decays
• Role of the scalar $f_0(980)$ in the process $D_s^{+}\to {\pi }^{+}{\pi }^0{\pi }^0$
• Disentangling different structures in heavy-light four-quark states
• Possible $D^{(\ast )}{\bar{D}}^{(\ast )}$ and $B^{(\ast )}{\bar{B}}^{(\ast )}$ molecular states in the extended constituent quark models
• The mass spectrum and strong decay properties of the charmed-strange mesons within Godfrey-Isgur model considering the coupled-channel effects
• The investigations of the $P$-wave $B_s$ states combining quark model and lattice QCD in the coupled channel framework
• $D_{s0}^{\ast \pm }(2317)$ and $KD$ scattering from $B_s^0$ decay
• One way to verify the molecular picture of exotic hadrons --from $DK$ to $DDK/D{\bar{D}}^{(\ast )}K$
• The $\sigma K$ coupling in the chiral unitary approach and the isoscalar $\bar{K}N$, $\bar{K}A$ interaction
• Possible bound states with hidden bottom from ${\bar{K}}^{(\ast )}{B}^{(\ast )}{\bar{B}}^{(\ast )}$ systems
• One-loop renormalization of the chiral Lagrangian for spinless matter fields in the SU(N) fundamental representation
• Axial-vector $D_1$ hadrons in $D^{\ast }\pi$ scattering from QCD
• $D^{+}{D}^{-}$ hadronic atom and its production in $pp$ and $p\bar{p}$ collisions
• Heavy-to-light scalar form factors from Muskhelishvili-Omnès dispersion relations
• Prediction of new states from $D^{(\ast )}{B}^{(\ast )}{\bar{B}}^{(\ast )}$ three-body interactions
• Exploring the $D^{\ast }\rho$ system within QCD sum rules
• On the two-body decay processes of the predicted three-body $K^{\ast }(4307)$ resonance
• Theoretical investigation of the molecular nature of $D_{s0}^{\ast }(2317)$ and $D_{s1}(2460)$ and the possibility of observing the $D\bar{D}K$ bound state $K_{c\bar{c}}(4180)$ in inclusive $e^{+}{e}^{-}\to c\bar{c}$ collisions
• Chiral Unitary Dynamics of Hadrons and Hadrons in a Nuclear Medium
• Shedding light on the $X(3930)$ and $X(3960)$ states with the $B^{-}\to K^{-}J/\psi \omega$ reaction
• Lattice study of $cc\bar{u}\bar{s}$ tetraquark channel in $D^{(\ast )}{D}_s^{(\ast )}$ scattering
• Productions of $D_{s0}^{\ast }(2317)$ and $D_{s1}(2460)$ in $B_{(s)}$ and ${\Lambda }_b({\Xi }_b)$ decays
• $Z_{cs}(3985)$ in next-to-leading-order chiral effective field theory -- the first truncation uncertainty analysis
• Production of the $D_{s0}(2317)$ and $D_{s1}(2460)$ by kaon-induced reactions on a proton target
• Search for a doubly-charged $DDK$ bound state in ${\rm Y}(1S,2S)$ inclusive decays and via direct production in $e^{+}{e}^{-}$ collisions at $\sqrt{s}$ = 10.520, 10.580, and 10.867 GeV
• Searching for femtoscopic signatures of the $D\bar{D}(I=0)[X(3700)]$ bound state
• K-pi interaction in finite volume and the K* resonance
• Masses and radiative decay widths of the $D_{s0}^{\ast }(2317)$ and $D_{s1}^{\prime }(2460)$ and their bottom analogs
• Role of the short-range dynamics in the formation of $D^{(\ast )}{\bar{D}}^{(\ast )}/B^{(\ast )}{\bar{B}}^{(\ast )}$ hadronic molecules
• Constraining the $DD{D}^{\ast }$ three-body bound state via the $Z_c(3900)$ pole
• Possible $P$- wave $D_s{\bar{D}}_{s0}(2317)$ molecular state $Y^{{}^{\prime }}(4274)$
• Radiative decays of the p-wave charmed heavy baryons
• Study of the $B^{-}\to K^{-}\eta {\eta }_c$ decay due to the $D\bar{D}$ bound state
• Charge-conjugation asymmetry and molecular content: the $D_{s0}^{\ast }(2317{)}^{\pm }$ in matter
• Interactions of the ${\chi }_{c1}(4274)$ state with light mesons
• $\bar{K}$ induced formation of the $f_0(980)$ and $a_0(980)$ resonances on proton targets
• Radially excited $\psi$ mesons and the $Y$ enhancements
• Pseudoscalar Goldstone Bosons Scattering off Charmed Baryons with Chiral Perturbation Theory
• $\bar{K}\bar{D}N$ molecular state as a "$uuds\bar{c}$ pentaquark" in a three-body calculation
• Novel correlated $D^0\overline{D}{}^0$ systems for $c/b$ physics and tests of $T/CPT$
• A helpful analogy between the covalent bond and Particle Spectroscopy
• Nature of the D_0 meson in the D pi scattering with chiral symmetry
• $B_{s1}(5778)$ as a $B^{\ast }\bar{K}$ molecule in the Bethe-Salpeter equation approach
• Triple-X and beyond: hadronic systems of three and more X(3872)
• Are compact open-charm tetraquarks consistent with recent lattice results?
• Searching for a hidden charm $h_1$ state in the $X(4660)\to \eta h_1$ and $X(4660)\to \eta D^{\ast }{\bar{D}}^{\ast }$ decays
• Strong decays of $a_0$, $f_0$, $f_2$, and $K_2^{\ast }$ resonances as dynamically generated states of two vector mesons
• Disentangle the nature of resonances in coupled-channel models
• Investigating $S$-wave bound states composed of two pseudoscalar mesons
• The theoretical study of $D_s^{+}\to {\pi }^{+}{\pi }^0{\pi }^0$
• $D_1$ and $D_2$ resonances in coupled-channel scattering amplitudes from lattice QCD
• Quarkonium interactions with (hot) hadronic matter
• The $B^{+(0)}\to {\bar{D}}^{0(-)}{D}_{s0}^{\ast }(2317{)}^{+}$ decays and the molecular structure of $D_{s0}^{\ast }(2317)$
• Charmed hadrons in nuclear medium
• QCD confronts heavy-flavor and exotic hadrons
• $N^{\ast }$ states with hidden charm and a three-body nature
• Line-shape analysis of charmonium resonances
• Hadronic molecules and multiquark states
• Meson exchange between initial and final state and the $R_D$ ratio in the $\bar{B}\to D\bar{\nu }\ell ({\bar{\nu }}_{\tau }\tau )$ reactions
• Revealing dipion correlations for the observed substructure near the ${\pi }^{+}{\pi }^{-}$ mass threshold in $\psi (3686)\to J/\psi {\pi }^{+}{\pi }^{-}$
• Analysis of the hadronic molecules $DK$, $D^{\ast }K$, $D{K}^{\ast }$ and their bottom analogs with QCD sum rules
• Strangeness and charm at FAIR
• The $e^{+}{e}^{-}\to J/\psi D\bar{D}$, $J/\psi D{\bar{D}}^{\ast }$ reactions with dynamically generated resonances
• Selected topics on Hadrons in Nuclei
• The dynamically generated $h_1$ state by the $K^{\ast }{\bar{K}}^{\ast }$ interaction and its $K_1(1270)\bar{K}$ and $b_1(1235)\pi$ decays
• Exotic open and hidden charm states
• Meson Resonances in the Open and Hidden Charm Sectors
• Recent Developments on Hadron Interaction and Dynamically Generated Resonances
• A search for $B_{s0}^{\ast }$ and $B_{s1}^{\ast }$ through the $K^{-}p$ interaction
• Analysis of the ${\mathbf{e}}^{+}{\mathbf{e}}^{-}\to \mathbf{J}/\mathbf{\psi D}\bar{\mathbf{D}}$ reaction close to the threshold concerning claims of a ${\chi }_{c0}(2P)$ state
• Study $B_{(s)}^0$ decays into $\varphi$ and a scalar or vector meson
• The $Y(4260)$ and $Y(4360)$ enhancements within coupled-channels
• Correlation function for the $n{\bar{D}}_{s0}^{\ast }(2317)$ interaction and the issue of elastic unitarity
• Effective Field Theories in a Finite Volume
• Roles of $a_0(980)$ and $a_0(1710)$ in Cabibbo-suppressed process $D^{+}\to {\pi }^0{\pi }^{+}\eta$
• Recent Developments in Chiral Unitary Dynamics of Resonances
• An effective gauge field theory of the nucleon interactions
• What can we learn from the radiative decays of the $D_{s1}(2460)$ meson?
• Radiative decays of hadronic molecules: From confusion to inspiration
• Meson and Baryon resonances
• Observation of the radiative decay $D_s(2317{)}^{+}\to D_s^{\ast }\gamma$