Heavy pentaquark spectroscopy in the diquark model

Abstract

$Q{Q}^{\prime }qq\bar{q}$ pentaquarks are studied in a potential model, under the hypothesis that they are composite objects of two diquarks and one antiquark. The interaction between two colored objects includes two contributions, one based on the $q\bar{q}$ potential in QCD, computed in the gauge/string duality approach, and another describing the spin-spin interaction. The model has been extended to investigate pentaquarks with different quark content, as $Qqqq\bar{q}$ and $Qqqq\bar{Q}$, the latter including the states observed by LHCb, $P_c(4380{)}^{+}$ and $P_c(4450{)}^{+}$, later updated, with a new data sample, to $P_c(4312{)}^{+}$, $P_c(4440{)}^{+}$, and $P_c(4457{)}^{+}$.

arXiv commentMatches published version

References in corpus (35)

• Observation of a narrow charmonium-like state in exclusive B+ -> K+ pi+pi- J/psi decays
• Observation of a New Narrow Charmonium State in Exclusive B+-->K+ pi+pi- J/psi Decays
• 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
• Evidence for Narrow S=+1 Baryon Resonance in Photo-production from Neutron
• Higher Charmonia
• Diquark-Antidiquarks with Hidden or Open Charm and the Nature of X(3872)
• Exotics: Heavy Pentaquarks and Tetraquarks
• Exotica
• Observation of an Exotic $S=+1$ Baryon in Exclusive Photoproduction from the Deuteron
• Observation of a baryon resonance with positive strangeness in K+ collisions with Xe nuclei
• New Exotic Meson and Baryon Resonances from Doubly-Heavy Hadronic Molecules
• Heavy-Quark Potentials and AdS/QCD
• Evidence for the positive-strangeness pentaquark ${\Theta }^{+}$ in photoproduction with the SAPHIR detector at ELSA
• Identifying exotic hidden-charm pentaquarks
• The New Pentaquarks in the Diquark Model
• Multiquark States
• Interference and binding effects in decays of possible molecular component of X(3872)
• The Pentaquark Candidates in the Dynamical Diquark Picture
• Observation of the bottomonium ground state in the decay Upsilon(3S) -> gamma eta_b
• Pentaquark states in a diquark-triquark model
• New meson spectroscopy with open charm and beauty
• Compact pentaquark structures
• Analysis of $P_c^{+}(4380)$ and $P_c^{+}(4450)$ as pentaquark states in the molecular picture with QCD sum rules
• Doubly heavy baryons in a Salpeter model with AdS/QCD inspired potential
• Analysis of the doubly heavy baryon states and pentaquark states with QCD sum rules
• Quark model estimate of hidden-charm pentaquark resonances
• Heavy quark symmetry and weak decays of the $b$-baryons in pentaquarks with a $c\bar{c}$ component
• Surveying exotic pentaquarks with the typical $QQqq\bar{q}$ configuration
• AdS-QCD quark-antiquark potential, meson spectrum and tetraquarks
• $X(3872)\to D\bar{D}\gamma$ decays and the structure of X(3872)
• Stable heavy pentaquarks in constituent models
• Hidden Bottom Pentaquark States with Spin 3/2 and 5/2
• Heavy pentaquark states and a novel color structure
• η_b and η_c radiative decays in the Salpeter model with the AdS/QCD inspired potential

Cited by in corpus (26)

• Pentaquark and Tetraquark states
• Exploring the molecular scenario of $P_c(4312)$, $P_c(4440)$, and $P_c(4457)$
• Diquark Correlations in Hadron Physics: Origin, Impact and Evidence
• Tetra- and penta-quark structures in the constituent quark model
• Strong decays of the latest LHCb pentaquark candidates in hadronic molecule pictures
• Molecular Interpretation of the $P_c(4440)$ and $P_c(4457)$ States
• Interpretation of the LHCb Pc(4312) Signal
• $P_c$ pentaquarks with chiral tensor and quark dynamics
• New LHCb pentaquarks as hadrocharmonium states
• Production of $P_c$ states from ${\Lambda }_b$ decay
• Structure and decays of hidden heavy pentaquarks
• $P_c(4312{)}^{+}$, $P_c(4380{)}^{+}$, and $P_c(4457{)}^{+}$ as double triangle cusps
• Doubly Charmed Pentaquarks
• $QQ\bar{s}\bar{s}$ tetraquarks in the chiral quark model
• Partial decay widths of $P_c(4312)$ as a $\bar{D}{\Sigma }_c$ molecular state
• Investigation of hidden-charm double strange pentaquark candidate $P_{css}$ via its mass and strong decays
• $P_c$ Resonances in the Compact Pentaquark Picture
• Flavor Exotic Triply-Heavy Tetraquark States in AdS/QCD Potential
• Quark-diquark potential and diquark mass from Lattice QCD
• Regge trajectories for the heavy-light diquarks
• $QQqq\bar{q}$ Quark System, Compact Pentaquark, and Gauge/String Duality
• Investigation of a candidate spin-$\frac{1}{2}$ hidden-charm triple strange pentaquark state $P_{csss}$
• A quark core-gluon model for heavy hybrid baryons
• Doubly-charmed pentaquark states in a mass splitting model
• Diquark size effects in the quark-diquark approximation for baryons
• $P_c(4312{)}^{+}$ and $P_c(4337{)}^{+}$ as interfering ${\Sigma }_c\bar{D}$ and ${\Lambda }_c{\bar{D}}^{\ast }$ threshold cusps