Strong LHCb evidence supporting the existence of the hidden-charm molecular pentaquarks

Abstract

On March 26th, 2019, at the Rencontres de Moriond QCD conference, the LHCb Collaboration reported the observation of three new pentaquarks, namely $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$, which are consistent with the loosely bound molecular hidden-charm pentaquark states composed of an S-wave charmed baryon ${\Sigma }_c$ and an S-wave anti-charmed meson ($\bar{D},{\bar{D}}^{\ast }$). In this work, we present a direct calculation by the one-boson-exchange (OBE) model and demonstrate explicitly that the $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$ do correspond to the loosely bound ${\Sigma }_c\bar{D}$ with $(I=1/2,J^P=1/2^{-})$, ${\Sigma }_c{\bar{D}}^{\ast }$ with $(I=1/2,J^P=1/2^{-})$ and ${\Sigma }_c{\bar{D}}^{\ast }$ with $(I=1/2,J^P=3/2^{-})$, respectively.

arXiv comment5 pages, 1 table and 2 figures. Accepted by Phys. Rev. D as Rapid Communication

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• Hadronic molecules
• The hidden-charm pentaquark and tetraquark states
• Observation of $J/\psi p$ resonances consistent with pentaquark states in ${\Lambda }_b^0\to J/\psi K^{-}p$ decays
• Phenomenology of Heavy Meson Chiral Lagrangians
• Observation of a narrow pentaquark state, $P_c(4312{)}^{+}$, and of two-peak structure of the $P_c(4450{)}^{+}$
• Prediction of narrow $N^{\ast }$ and ${\Lambda }^{\ast }$ resonances with hidden charm above 4 GeV
• New Exotic Meson and Baryon Resonances from Doubly-Heavy Hadronic Molecules
• Identifying exotic hidden-charm pentaquarks
• The New Pentaquarks in the Diquark Model
• Towards exotic hidden-charm pentaquarks in QCD
• The Pentaquark Candidates in the Dynamical Diquark Picture
• Strong Decays of Excited Heavy Mesons In Chiral Perturbation Theory
• The possible hidden-charm molecular baryons composed of anti-charmed meson and charmed baryon
• X(3872) and Other Possible Heavy Molecular States
• Sigma_c Dbar and Lambda_c Dbar states in a chiral quark model
• Is X(3872) {\sl Really} a Molecular State?
• An overview of $XYZ$ new particles
• Nucleon Resonances with Hidden Charm in Coupled-Channel Models
• ${\Lambda }_{c}N$ bound states revisited
• Y(4143) is probably a molecular partner of Y(3930)
• Is Z^+(4430) a loosely bound molecular state?
• $Z^{+}(4430)$ as a $D_1^{\prime }{D}^{\ast }$ ($D_1{D}^{\ast }$) molecular state
• Analysis of the ${\frac{1}{2}}^{\pm }$ pentaquark states in the diquark model with QCD sum rules
• On the possibility of Deeply Bound Hadronic Molecules from single Pion Exchange
• Pentaquarks and resonances in the $pJ/\psi$ spectrum
• A possible global group structure for exotic states

Cited by in corpus (165)

• Pentaquark and Tetraquark states
• An updated review of the new hadron states
• Chiral perturbation theory for heavy hadrons and chiral effective field theory for heavy hadronic molecules
• A survey of heavy-heavy hadronic molecules
• Interpretation of the LHCb $P_c$ States as Hadronic Molecules and Hints of a Narrow $P_c(4380)$
• Possible interpretations of the $P_c(4312)$, $P_c(4440)$, and $P_c(4457)$
• Anatomy of the newly observed hidden-charm pentaquark states: $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$
• The hidden charm pentaquark states and ${\Sigma }_c{\bar{D}}^{(\ast )}$ interaction in chiral perturbation theory
• Hidden-charm pentaquarks and $P_c$ states
• Prediction of hidden charm strange molecular baryon states with heavy quark spin symmetry
• Analysis of the $P_c(4312)$, $P_c(4440)$, $P_c(4457)$ and related hidden-charm pentaquark states with QCD sum rules
• Spectrum of the strange hidden charm molecular pentaquarks in chiral effective field theory
• Strong decays of the latest LHCb pentaquark candidates in hadronic molecule pictures
• Molecular Interpretation of the $P_c(4440)$ and $P_c(4457)$ States
• $X_0(2866)$ as a $D^{\ast }{\bar{K}}^{\ast }$ molecular state
• $P_c(4457{)}^{+}$, $P_c(4440{)}^{+}$, and $P_c(4312{)}^{+}$: molecules or compact pentaquarks?
• Interpretation of the LHCb Pc(4312) Signal
• Revisiting the nature of the $P_c$ pentaquarks
• Systematics of the heavy flavor hadronic molecules
• Analyzing doubly heavy tetra- and penta-quark states by variational method
• The $P_{cs}(4459)$ pentaquark from a combined effective field theory and phenomenological perspective
• $P_{cs}(4459)$ and other possible molecular states from ${\Xi }_c^{(\ast )}{\bar{D}}^{(\ast )}$ and ${\Xi }_c^{\prime }{\bar{D}}^{(\ast )}$ interactions
• New LHCb pentaquarks as hadrocharmonium states
• One pion exchange and the quantum numbers of the Pc(4440) and Pc(4457) pentaquarks
• Decays of $P_c$ into $J/\psi N$ and ${\eta }_{c}N$ with heavy quark spin symmetry
• A Review on Partial-wave Dynamics with Chiral Effective Field Theory and Dispersion Relation
• Molecular states from ${\Sigma }_c^{(\ast )}{\bar{D}}^{(\ast )}-{\Lambda }_c{\bar{D}}^{(\ast )}$ interaction
• Can the newly $P_{cs}(4459)$ be a strange hidden-charm ${\Xi }_c{\bar{D}}^{\ast }$ molecular pentaquarks?
• Possibility to study pentaquark states $P_c(4312),P_c(4440)$, and $P_c(4457)$ in $\gamma p\to J/\psi p$ reaction
• Analysis of the $P_{cs}(4459)$ as the hidden-charm pentaquark state with QCD sum rules
• Probing hidden-charm decay properties of $P_c$ states in a molecular scenario
• Magnetic dipole moments of the hidden-charm pentaquark states: $P_c(4440)$, $P_c(4457)$ and $P_{cs}(4459)$
• Coupled-channel effects of the ${\Sigma }_c^{(\ast )}{\bar{D}}^{(\ast )}$-${\Lambda }_c(2595)\bar{D}$ system and molecular nature of the $P_c$ pentaquark states from one-boson exchange model
• Production of $P_c$ states from ${\Lambda }_b$ decay
• Structure and decays of hidden heavy pentaquarks
• 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
• Magnetic moments and transition magnetic moments of $P_c$ and $P_{cs}$ states
• Probing new types of $P_c$ states inspired by the interaction between an $S$-wave charmed baryon and an anticharmed meson in a $\bar{T}$ doublet state
• $P_c(4312{)}^{+}$, $P_c(4380{)}^{+}$, and $P_c(4457{)}^{+}$ as double triangle cusps
• Nucleon Resonances with Hidden Charm in $\gamma p$ reactions
• Possible Molecular States of $D^{(\ast )}{D}^{(\ast )}$ and $B^{(\ast )}{B}^{(\ast )}$ within the Bethe-Salpeter framework
• Confronting pentaquark photoproduction with new LHCb observations
• Strong decays of the newly $P_{cs}(4459)$ as a strange hidden-charm ${\Xi }_c{\bar{D}}^{\ast }$ molecule
• Analysis of the strong decays of the $P_c(4312)$ as a pentaquark molecular state with QCD sum rules
• Magnetic moments of the hidden-charm strange pentaquark states
• Mass spectrum of the hidden-charm pentaquarks in the compact diquark model
• Emergence of molecular-type characteristic spectrum of hidden-charm pentaquark with strangeness embodied in the $P_{\psi s}^{\Lambda }(4338)$ and $P_{cs}(4459)$
• Production of $P_{cs}(4459)$ from ${\Xi }_b$ decay
• Investigation of magnetic moment of $P_{cs}(4338)$ and $P_{cs}(4459)$ pentaquark states
• Decay behaviors of possible ${\Lambda }_{c\bar{c}}$ states in hadronic molecule pictures
• Exploring a ${\Sigma }_c\bar{D}$ state: with focus on $P_c(4312{)}^{+}$
• Prediction of hidden-charm pentaquarks with double strangeness
• Recently observed $P_c$ as molecular states and possible mixture of $P_c(4457)$
• Molecular picture for $X_0(2900)$ and $X_1(2900)$
• How to reveal the nature of three or more pentaquark states?
• Doubly charmed molecular pentaquarks
• Hidden-charm pentaquarks with triple strangeness due to the ${\Omega }_c^{(\ast )}{\bar{D}}_s^{(\ast )}$ interactions
• Analysis of the hidden-charm pentaquark molecular states with strangeness and without strangeness via the QCD sum rules
• Heavy-hadron molecules from light-meson-exchange saturation
• Model independent determination of the spins of the $P_c$(4440) and $P_c$(4457) from the spectroscopy of the triply charmed dibaryons
• Axial meson exchange and the $Z_c(3900)$ and $Z_{cs}(3985)$ resonances as heavy hadron molecules
• Mass behavior of hidden-charm pentaquarks with open-strange inspired by these established $P_c$ molecular states
• The magnetic moment of $P_c(4312)$ as a $\bar{D}{\Sigma }_c$ molecular state
• Analysis of the $P_{cs}(4338)$ and related pentaquark molecular states via the QCD sum rules
• Hidden and doubly heavy molecular states from interactions $D_{(s)}^{(\ast )}{\bar{D}}_s^{(\ast )}$/$B_{(s)}^{(\ast )}{\bar{B}}_s^{(\ast )}$ and $D_{(s)}^{(\ast )}{D}_s^{(\ast )}$/$B_{(s)}^{(\ast )}{B}_s^{(\ast )}$
• Pion-induced production of hidden-charm pentaquarks $P_c(4312),P_c(4440)$, and $P_c(4457)$
• Photoproduction of hidden-bottom pentaquark and related topics
• Heavy quark spin multiplet structure of $P_c(4312)$, $P_c(4440)$, and $P_c(4457)$
• Heavy Flavour Physics and CP Violation at LHCb: a Ten-Year Review
• Spin-parities of the $P_c(4440)$ and $P_c(4457)$ in the One-Boson-Exchange Model
• Exploring the electromagnetic properties of the ${\Xi }_c^{(\prime ,\ast )}{\bar{D}}_s^{\ast }$ and ${\Omega }_c^{(\ast )}{\bar{D}}_s^{\ast }$ molecular states
• Prediction of a narrow exotic hadronic state with quantum numbers $J^{PC}=0^{--}$
• Spectrum of the molecular pentaquarks
• Selected strong decays of pentaquark State $P_c(4312)$ in a chiral constituent quark model
• $P_{\psi s}^{\Lambda }(4459)$ and $P_{\psi s}^{\Lambda }(4338)$ as molecular states in $J/\psi \Lambda$ invariant mass spectra
• The quasi-fission phenomeonon of double charm $T_{cc}^{+}$ induced by nucleon
• Partial decay widths of $P_c(4312)$ as a $\bar{D}{\Sigma }_c$ molecular state
• Experimental constraints on the properties of $P_c$ states
• Production of $P_c$ states in ${\Lambda }_b$ decays
• Compact hidden charm pentaquark states and QCD isomers
• Triple-charm molecular states composed of $D^{\ast }{D}^{\ast }D$ and $D^{\ast }{D}^{\ast }{D}^{\ast }$
• Hidden-charm pentaquark states through the current algebra: From their productions to decays
• Surveying the mass spectra and the electromagnetic properties of the ${\Xi }_c^{(\prime ,\ast )}{D}^{(\ast )}$ molecular pentaquarks
• The decays of the fully open flavor state $T_{c\bar{s}0}^0$ in a $D^{\ast }{K}^{\ast }$ molecule scenario
• Possible molecular states of ${\bar{D}}^{\ast }{K}^{\ast }$ ($D^{\ast }{K}^{\ast }$) and the new exotic states $X_0(2900)$ and $X_1(2900)$ ($T_{cs0}^a(2900{)}^0$ and $T_{cs0}^a(2900{)}^{++}$)
• Anticharmed strange pentaquarks from the one-boson-exchange model
• Peaks within peaks and the possible two-peak structure of the Pc(4457): the effective field theory perspective
• Heavy flavor pentaquarks with four heavy quarks
• Fully heavy pentaquark states in constituent quark model
• Y(4626) as a molecular state from interaction $D_s^{\ast }{\bar{D}}_{s1}(2536)-D_s{\bar{D}}_{s1}(2536)$
• $\bar{K}\Lambda$ molecular explanation to the newly observed $\Xi (1620{)}^0$
• Higher molecular $P_{\psi s}^{\Lambda /\Sigma }$ pentaquarks arising from the ${\Xi }_c^{(\prime ,\ast )}{\bar{D}}_1/{\Xi }_c^{(\prime ,\ast )}{\bar{D}}_2^{\ast }$ interactions
• ${\Sigma }_{c}N$ interaction in chiral perturbation theory
• Potential higher radial excitations in the light pseudoscalar meson family
• Properties of $P_c(4312)$ pentaquark and its bottom partner
• Decay properties of $P_c$ states through the Fierz rearrangement
• The hadronic coupling constants of the lowest hidden-charm pentaquark state with the QCD sum rules in rigorous quark-hadron duality
• Double-charm heptaquark states composed of two charmed mesons and one nucleon
• Hidden-charm pentaquark states in a mass splitting model
• Exotic Hadrons at LHCb
• $P_c$ Resonances in the Compact Pentaquark Picture
• Triply charmed dibaryons in the one boson exchange model
• New type of doubly charmed molecular pentaquarks containing most strange quarks: Mass spectra, radiative decays, and magnetic moments
• Pentaquark components in low-lying baryon resonances
• Three-body molecules $\bar{D}{\bar{D}}^{\ast }{\Sigma }_c$- understanding the nature of $T_{cc}$, $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$
• $P_c$ states and their open-charm decays with the complex scaling method
• Systematic study on production of hidden-bottom pentaquark via $\gamma p$ and ${\pi }^{-}p$ scatterings
• Hidden-bottom molecular states from ${\Sigma }_b^{(\ast )}{B}^{(\ast )}-{\Lambda }_b{B}^{(\ast )}$ interaction
• Heavy quark spin multiplet structure of $P_c$-like pentaquark as P-wave hadronic molecular state
• Prompt production of the hidden charm pentaquarks in the LHC
• Photoproduction of pentaquarks states at the LHC
• Heavy hadron molecules in effective field theory: the emergence of exotic nuclear landscapes
• Study on possible molecular states composed of ${\Lambda }_c\bar{D}$ (${\Lambda }_{b}B$) and ${\Sigma }_c\bar{D}$ (${\Sigma }_{b}B$) within the Bethe-Salpeter framework
• Identify the hidden charm pentaquark signal from non-resonant background in electron-proton scattering
• Exotic pentaquark states with the $qqQQ\bar{Q}$ configuration
• Possible Molecular States Composed of Doubly Charmed Baryons with Couple-channel Effect
• ${\Xi }_{bb}$ and ${\Omega }_{bbb}$ molecular states
• Double Exotic States Productions in Pion and Kaon Induced Reactions
• $J/\psi$ decay into $\varphi (\omega )$ and vector-vector molecular states
• Evidence supporting the existence of $P_c(4380{)}^{\pm }$ from the recent measurements of $B_s\to J/\psi p\bar{p}$
• Systematical study of ${\Omega }_c$-like molecular states from interactions ${\Xi }_c^{{(}^{\prime },\ast )}{\bar{K}}^{(\ast )}$ and ${\Xi }^{(\ast )}{D}^{(\ast )}$
• hidden charm decays of $X(4014)$ in a $D^{\ast }{\bar{D}}^{\ast }$ molecule scenario
• Investigation of a candidate spin-$\frac{1}{2}$ hidden-charm triple strange pentaquark state $P_{csss}$
• Probing hidden-bottom pentaquarks in fixed-target collisions at the LHC
• Unravelling Pentaquarks with Born--Oppenheimer effective theory
• Holographic charm and bottom pentaquarks III: Excitations through photo-production of heavy mesons
• Exploring the mass spectrum and the electromagnetic properties of the possible ${\Xi }_{cc}{K}^{(\ast )}$ and ${\Xi }_{cc}{\bar{K}}^{(\ast )}$ molecules
• The role of electromagnetic interaction in the $X(3872)$ and its analogs
• Possible charmed-strange molecular dibaryons
• The study of possible molecular states of $D_s^{(\ast )}{D}_s^{(\ast )}$ and $B_s^{(\ast )}{B}_s^{(\ast )}$
• Molecular pentaquark states with open charm and bottom flavors
• Molecular states in $D_s^{(\ast )+}{\Xi }_c^{{(}^{\prime },\ast )}$ systems
• Production mechanism of hidden-charm pentaquark states $P_{c\bar{c}s}$ with strangeness $S=-1$
• The possibility to study in-medium modification of $J/\psi$ mesons from their photoproduction on nuclei near threshold in the case of presence of the LHCb pentaquark states $P_c^{+}$ in this photoproduction
• Molecular $P_{\psi }$ pentaquarks from light-meson exchange saturation
• Production of vector mesons in pentaquark states resonance channel in $p$-$A$ ultraperipheral collisions
• Possible molecular states from interactions of charmed baryons
• Prospects for detecting the hidden-strange pentaquarklike state $N^{\ast }(2080)$ in the ${\pi }^{-}p\to \varphi n$ reaction
• Role of the short-range dynamics in the formation of $D^{(\ast )}{\bar{D}}^{(\ast )}/B^{(\ast )}{\bar{B}}^{(\ast )}$ hadronic molecules
• Towards modeling the short-range interactions of hidden/open charm pentaquark molecular states
• Study of the hidden charm pentaquarks ${\Lambda }_{c\bar{c}}$ above $4$ GeV
• Induced fission-like process of hadronic molecular states
• Possible molecules of triple-heavy pentaquarks within the extended local hidden gauge formalism
• Pole trajectories from $S$- and $P$-wave $D{\bar{D}}^{\ast }$ interactions
• Triple-strangeness hidden-charm pentaquarks
• Finding Interaction Mechanism between Exotic Molecule and Conventional Hadron
• Decay behavior of hidden-strange hadronic molecular state $N(2270)$
• Predicting possible molecular states of nucleons with ${\Xi }_c$, ${\Xi }_c^{\ast }$, and ${\Xi }_c^{\prime }$
• Strong decays of $P_{\psi }^N(4440{)}^{+}$ and $P_{\psi }^N(4457{)}^{+}$ within the Bethe-Salpeter framework
• Radiative decay and axial-vector decay behaviors of octet pentaquark states
• Discovering an Unquenched Dynamics Mechanism for Charmonium Scattering
• Production of open-charm pentaquark molecules in decay $B^0\to {\bar{D}}^{0}p\bar{p}$
• New reaction approach to reflect exotic structure of hadronic molecular state
• A coupled-channel perspective analysis on bottom-strange molecular pentaquarks
• Towards a theory of baryon resonances
• Exotic Heavy Hadrons
• Five-flavor molecular pentaquarks in the ${\Xi }_b^{(\prime ,\ast )}{\bar{D}}^{(\ast )}$ and ${\Xi }_c^{(\prime ,\ast )}{B}^{(\ast )}$ systems
• Molecular interpretation of the LHCb pentaquarks from an analysis of $J/\psi p$ spectrum
• Quantum Numbers of the Pentaquark States $P_c^{+}$ via Symmetry Analysis
• Hadronic molecules and multiquark states
• $P_c(4312{)}^{+}$ and $P_c(4337{)}^{+}$ as interfering ${\Sigma }_c\bar{D}$ and ${\Lambda }_c{\bar{D}}^{\ast }$ threshold cusps
• Kaon-induced production of strange hidden-charm molecular pentaquarks $P_{\psi s}^{\Lambda }$ from proton
• Role of the short-range dynamics in simultaneous interpretation of $P_{cs}$ pentaqurks via ${\Xi }_c^{(\prime ,\ast )}{\bar{D}}^{(\ast )}$ molecules
• Predicting charmed-strange molecular tetraquarks with $K^{(\ast )}$ and $T$-doublet charmed or anticharmed meson
• Molecular pentaquarks composed of a ground-state octet baryon and a $P-$wave anticharmed meson