X(3872) in the molecular model

Abstract

We discuss methods and approaches to the description of molecular states in the spectrum of heavy quarks and investigate in detail various properties of the exotic charmonium-like state X(3872) in the framework of the mesonic molecule model.

arXiv commentLaTeX2e, 58 pages, 18 figures, 7 tables, review paper published in Phys.Usp., translation into Russian available in source package

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• Hadronic molecules
• Observation of a charged charmoniumlike structure in e+e- to pi+pi-J/psi at \sqrt{s}=4.26 GeV
• Higher Charmonia
• Diquark-Antidiquarks with Hidden or Open Charm and the Nature of X(3872)
• Observation of a Broad Structure in the ${\pi }^{+}{\pi }^{-}J/\psi$ Mass Spectrum around 4.26 GeV/$c^2$
• Study of $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}J/\psi$ and Observation of a Charged Charmonium-like State at Belle
• Two-Nucleon Systems from Effective Field Theory
• Observation of two charged bottomonium-like resonances in Y(5S) decays
• Isospin breaking of the narrow charmonium state of Belle at 3872 MeV as a deuson
• Short Range Structure in the X(3872)
• Evidence that the a0(980) and f0(980) are not elementary particles
• Determination of the X(3872) meson quantum numbers
• Renormalization of One-Pion Exchange and Power Counting
• On the Mechanism of Open-Flavor Strong Decays
• Decoding the riddle of Y(4260) and $Z_c(3900)$
• Consequences of Heavy Quark Symmetries for Hadronic Molecules
• Towards a Perturbative Theory of Nuclear Forces
• Charmonium Options for the X(3872)
• Hadro-Charmonium
• Higher Quarkonia
• Heavy quark spin structure in Z_b resonances
• Interference and binding effects in decays of possible molecular component of X(3872)
• Field correlators in QCD. Theory and applications
• The X(3872) boson: Molecule or charmonium
• Four-Quark Hadrons: an Updated Review
• Molecular States of Heavy Quark Mesons
• Analysis of the Quantum Numbers $J^{PC}$ of the X(3872) Particle
• Pion Interactions in the X(3872)
• Is the X(3872) Production Cross Section at Tevatron Compatible with a Hadron Molecule Interpretation?
• Masses of heavy tetraquarks in the relativistic quark model
• The Heavy Quark Spin Symmetry Partners of the X(3872)
• Evidence for the decay X(3872) --> J/psi omega
• Masses of tetraquarks with two heavy quarks in the relativistic quark model
• Is X(3872) {\sl Really} a Molecular State?
• Diagnostic Decays of the X(3872)
• X(3872): Hadronic Molecules in Effective Field Theory
• Evidence for X(3872) --> psi(2S) gamma in B+/- --> X(3872) K+/- decays, and a study of B --> ccbar gamma K
• Is X(3872) a molecule?
• Coupled-channel model for charmonium levels and an option for X(3872)
• Bounds on the width, mass difference and other properties of X(3872) --> pi+pi-J/psi decays
• Observation of a Near-threshold $D^0{\bar{D}}^0{\pi }^0$ Enhancement in $B\to D^0{\bar{D}}^0{\pi }^{0}K$ Decay
• Chiral Lagrangians for Radiative Decays of Heavy Hadrons
• Reconciling the X(3872) with the near-threshold enhancement in the D^0\bar{D}^{*0} final state
• Evidence for the decay $X(3872)\to \psi (2S)\gamma$
• Axial Resonances in the Open and Hidden Charm Sectors
• Light Flavour and Heavy Quark Spin Symmetry in Heavy Meson Molecules
• Nonfactorizable contributions in B decays to charmonium: the case of $B^{-}\to K^{-}{h}_c$
• Hadron Loops: General Theorems and Application to Charmonium
• Estimate for the X(3872) to gamma J/psi decay width
• Study of Resonances in Exclusive B Decays to Dbar(*)D(*)K
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• Observation of $X(3872)\to J/\psi \gamma$ and search for $X(3872)\to {\psi }^{\prime }\gamma$ in B decays
• Radiative $D^{\ast }$ Decay Using Heavy Quark and Chiral Symmetry
• Possible assignments of the $X(3872)$, $Z_c(3900)$ and $Z_b(10610)$ as axial-vector molecular states
• Radiative transitions from Upsilon(5S) to molecular bottomonium
• Effect of charmed meson loops on charmonium transitions
• Line Shapes of the X(3872)
• Production of the X(3872) in charmonia radiative decays
• X(3872) as a hadronic molecule and its decays to charmonium states and pions
• Heavy Quark Symmetry Predictions for Weakly Bound B-Meson Molecules
• Study of the $B\to X(3872)(\to D^{\ast 0}{\bar{D}}^0)K$ decay
• Quantum numbers of the $X(3872)$ state and orbital angular momentum in its ${\rho }^{0}J\psi$ decay
• Power Counting and Perturbative One Pion Exchange in Heavy Meson Molecules
• A study of B->X(3872) K, with X(3872)->J/Psi pi+ pi-
• X(3872) and Y(4140) using diquark-antidiquark operators with lattice QCD
• $Y(4260)$ as the first $S$-wave open charm vector molecular state?
• Dynamical origin and the pole structure of X(3872)
• J/psi gamma and psi(2S) gamma decay modes of the X(3872)
• Interplay of quark and meson degrees of freedom in a near-threshold resonance: multi-channel case
• Three-body $D\bar{D}\pi$ dynamics for the X(3872)
• Nature of X(3872) from data
• Different pole structures in line shapes of the $X(3872)$
• Study of e+e- => B(*) B(*)-bar pi+- at sqrt(s)=10.866 GeV
• What can radiative decays of the X(3872) teach us about its nature?
• Deriving the existence of $B{\bar{B}}^{\ast }$ bound states from the X(3872) and Heavy Quark Symmetry
• Interplay of quark and meson degrees of freedom in a near-threshold resonance
• How Resonances can synchronise with Thresholds
• Exclusive Production of the X(3872) in B Meson Decay
• Heavy-quark spin symmetry partners of the $X(3872)$ revisited
• Y(4260): hadronic molecule versus hadro-charmonium interpretation
• Lineshapes for composite particles with unstable constituents
• Extraction of the light quark mass ratio from the decays psi' --> J/psi pi^0 (eta)
• Exotic mesons with hidden bottom near thresholds
• Decay widths of the spin-2 partners of the X(3872)
• The Renormalization Group Limit Cycle for the 1/r^2 Potential
• Channel coupling in heavy quarkonia: energy levels, mixing, widths and new states
• Remarks on the quantum numbers of X(3872) from the invariant mass distributions of the rho J/psi and omega J/psi final states
• On the possibility of Deeply Bound Hadronic Molecules from single Pion Exchange
• Analysis of J/psi pi+ pi- and D0 D0-bar pi0 Decays of the X(3872)
• Novel Charmonium and Bottomonium Spectroscopies due to Deeply Bound Hadronic Molecules from Single Pion Exchange
• Detecting the long-distance structure of the X(3872)
• Remarks on the study of the X(3872) from Effective Field Theory with Pion-Exchange Interaction
• Quark mass dependence of the X(3872) binding energy
• Using Line Shapes to Discriminate between Binding Mechanisms for the X(3872)
• Note on X(3872) production at hadron colliders and its molecular structure
• $B\to {\chi }_{c1}(1P,2P)K$ decays in QCD factorization and X(3872)
• The ratio of decay widths of X(3872) to ${\psi }^{\prime }\gamma$ and $J/\psi \gamma$ as a test of the X(3872) dynamical structure
• Comment on "Possibility of Deeply Bound Hadronic Molecules from Single Pion Exchange"
• Spin partners of the $Z_b(10610)$ and $Z_b(10650)$ revisited
• Finite volume corrections to the binding energy of the X(3872)
• X(3872) and its Partners in the Heavy Quark Limit of QCD
• Measurements of the absolute branching fractions of $B^{+}\to X_{c\bar{c}}{K}^{+}$ and $B^{+}\to {\bar{D}}^{(\ast )0}{\pi }^{+}$ at Belle
• Binding energy of the $X(3872)$ at unphysical pion masses
• Comment on `Note on X(3872) production at hadron colliders and its molecular structure'
• Probing the nature of $Y(4260)$ and $Z_c(3900)$ in the isospin violating process $Y(4260)\to J/\psi \eta {\pi }^0$
• Holographic Hadro-Quarkonium
• Fine structure splittings of excited P and D states in charmonium
• The $c\bar{c}$ interaction above threshold and the radiative decay $X(3872)\to J/\psi \gamma$
• One-pion exchange in the X(3872) revisited
• Measurements of CP-Violating Asymmetries and Branching Fractions in B Decays to omegaK and omegapi
• From 3 nucleons to 3 quarks

Cited by in corpus (48)

• The $XYZ$ states: experimental and theoretical status and perspectives
• Threshold cusps and triangle singularities in hadronic reactions
• Chiral perturbation theory for heavy hadrons and chiral effective field theory for heavy hadronic molecules
• A survey of heavy-heavy hadronic molecules
• Coupled-channel approach to $T_{cc}^{+}$ including three-body effects
• Selected Science Opportunities for the EicC
• From the lineshape of the $X(3872)$ to its structure
• Towards the quark mass dependence of $T_{cc}^{+}$ from lattice QCD
• Tetraquarks in large-$N_c$ QCD
• Production of exotic hadrons in $pp$ and nuclear collisions
• Triangle singularity in the $B^{-}\to K^{-}{\pi }^{0}X(3872)$ reaction and sensitivity to the $X(3872)$ mass
• New insight into the exotic states strongly coupled with the $D{\bar{D}}^{\ast }$ from the $T_{cc}^{+}$
• X(6200) as a compact tetraquark in the QCD string model
• Revisiting $X(3872)\to D^0{\bar{D}}^0{\pi }^0$ in XEFT
• Predicting isovector charmonium-like states from X(3872) properties
• Radiative decays of the spin-$2$ partner of $X(3872)$
• Possibility of $T_{c\bar{s}}(2900)$ as the resonance-like structure induced by threshold effects
• $D^{\pm }{D}^{\ast \mp }$ Hadronic Atom as a Key to Revealing the $X(3872)$ Mystery
• $D{\bar{D}}^{\ast }$ scattering and ${\chi }_{c1}(3872)$ in nuclear matter
• $X(3872)$, $X(4014)$, and their bottom partners at finite temperature
• On nuclear coalescence in small interacting systems
• Recoupling Mechanism for exotic mesons and baryons
• Searching for doubly charmed tetraquark candidates $T_{cc}$ and $T_{cc\bar{s}}$ in $B_c$ decays
• Semi-inclusive lepto-production of hidden-charm exotic hadrons
• Possible precise measurements of the $X(3872)$ mass with the $e^{+}{e}^{-}\to {\pi }^0\gamma X(3872)$ and $p\bar{p}\to \gamma X(3872)$ reactions
• Hidden-bottom hadronic transitions of ${\rm Y}(10753)$
• ${\Xi }_{bb}$ and ${\Omega }_{bbb}$ molecular states
• Study of charmonium and charmonium-like contributions in $B^{+}\to J/\psi \eta K^{+}$ decays
• Do near-threshold molecular states mix with neighbouring $\bar{Q}Q$ states?
• Entanglement suppression and low-energy scattering of heavy mesons
• Dispersive analysis of the isospin breaking in the $X(3872)\to J/\psi {\pi }^{+}{\pi }^{-}$ and $X(3872)\to J/\psi {\pi }^{+}{\pi }^0{\pi }^{-}$ decays
• Scalar mesons in the chiral theory with quark degrees of freedom
• Triangle singularity in $B^0\to {\pi }^{-}{K}^{+}X(3872)$ via the $D_{s1}\bar{D}{D}^{\ast }$ loop and possible precise measurement of the $X(3872)$ mass
• Binding of the three-hadron $D{D}^{\ast }K$ system from the lattice effective field theory
• Near-threshold resonance in $e^{+}{e}^{-}\to {\Lambda }_c{\bar{\Lambda }}_c$ process
• How does the $X(3872)$ show up in $e^{+}{e}^{-}$ collisions: dip versus peak
• Superfactory of bottomed hadrons Belle II
• ${\bar{B}}^0\to {\bar{K}}^{(\ast )0}X$, $B^{-}\to K^{(\ast )-}X$, ${\bar{B}}_s^0\to \eta ({\eta }^{\prime },\varphi )X$ from the $X(3872)$ molecular perspective
• The Relativistic Cornell-type Mechanism of Exotic Scalar Resonances
• Opportunities for studying $C$-even resonances at 3-12 GeV photon collider
• Possible ${\Sigma }_c^{\ast }\bar{\Sigma }$ molecular states
• Constrain the ${\chi }_{cJ}\to D^{(\ast )}{\bar{D}}^{(\ast )}$ effective couplings via the $X(3872)\to {\pi }^0{\chi }_{cJ}$ decays
• Photon-induced production of the exotic charged charmonium-like state $Z_c(3900)$ off nuclear targets and its internal structure
• Two-body strong decays of the hidden-charm tetraquark molecular states via the QCD sum rules
• New measurement of D0 and D+ meson masses with the KEDR detector
• Exotic hadrons associated with $b$-quark
• Unified study of $B_s^0\to X(3872){\pi }^{+}{\pi }^{-}(K^{+}{K}^{-})$ and $B_s^0\to \psi (2S){\pi }^{+}{\pi }^{-}(K^{+}{K}^{-})$ processes
• Model-independent mass determination of near-threshold states from short-range production