A Diquark-Triquark Model for the KN Pentaquark

Abstract

We propose a model for the recently discovered Theta^+ exotic KN resonance as a novel kind of a pentaquark with an unusual color structure: a color triplet (ud) diquark, coupled to a color anti-triplet (ud s-bar) triquark in a relative P-wave. The state has J^P=1/2^+, I=0 and is an antidecuplet of SU(3)_f. A rough mass estimate of this pentaquark is close to experiment.

A condensed and amended version of hep-ph/0307243, as published in PLB, to include pentaquark analysis only, with a revised title and some additional discussion of the Xi states in the 10-bar

Cited by in corpus (167)

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• Multiquark States
• The Pentaquark Candidates in the Dynamical Diquark Picture
• Evidence for a narrow |S|=1 baryon state at a mass of 1528 MeV in quasi-real photoproduction
• Pentaquark states in a diquark-triquark model
• Strong decays of charmed baryons
• Evidence for a Narrow Anti-Charmed Baryon State
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• First Observation of Heavy Baryons Σ_b and Σ_b^*
• Is pentaquark doublet a hadronic molecule?
• Experimental Search for Pentaquarks
• Analysis of $P_c^{+}(4380)$ and $P_c^{+}(4450)$ as pentaquark states in the molecular picture with QCD sum rules
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• Including heavy spin effects in the prediction of a $\bar{b}\bar{b}ud$ tetraquark with lattice QCD potentials
• First Study for the Pentaquark Potential in SU(3) Lattice QCD
• Interpreting the $X(5568)$
• The masses of $P_c^{\ast }(4380)$ and $P_c^{\ast }(4450)$ in the quasi particle diquark model
• $X(5568)$ and and its partner states
• Penta-quark baryon in anisotropic lattice QCD
• Isospin splittings in baryons with two heavy quarks
• Two-Hadron-Irreducible QCD Sum Rule for Pentaquark Baryon
• Diquark and light four-quark states
• Electromagnetic properties of diquarks
• Light-Front Approach for Heavy Pentaquark Transitions
• The New Sigma_b multiplet, heavy baryon mass predictions, meson-baryon universality and magnetic moments of Lambda_c and Lambda_b
• Hidden charm pentaquarks with color-octet substructure in QCD Sum Rules
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• Colour Fields Computed in SU(3) Lattice QCD for the Static Tetraquark System
• Triply heavy tetraquark states with the $QQ\bar{Q}\bar{q}$ configuration
• Prospects for observing the lowest-lying odd-parity ${\Sigma }_c$ and ${\Sigma }_b$ baryons
• $J^P$ Assignments of ${\Lambda }_c^{+}$ Baryons
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• Study of $Thet{a}^{+}(udud\bar{s})$ in lattice QCD with exact chiral symmetry
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• Color Non-Singlet Spectroscopy
• Octet, decuplet and antidecuplet magnetic moments in the chiral quark soliton model revisited
• The narrow width of the Θ^+ - a possible explanation
• On the Existence of Heavy Pentaquarks: The large Nc and Heavy Quark Limits and Beyond
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• Diquarks and antiquarks in exotics: a menage a trois and a menage a quatre
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• Observation of S=+1 narrow resonances in the system $K_s^{0}p$ from p+$C_3{H}_8$ collision at 10 GeV/c
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• Swimming with Quarks
• A Diquark Chiral Effective Theory and Exotic Baryons
• Instanton induced quark dynamics and the pentaquark
• Pentaquarks: Review on Models and Solitonic Calculations of Antidecuplet Magnetic Moments
• Tetraquark resonances with the triple flip-flop potential, decays in the cherry in a broken glass approximation
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• Present status on experimental search for pentaquarks
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• Prospects for Pentaquark Production at Meson Factories
• Search for a Narrow Baryonic Resonance Decaying to $K_s^{0}p$ or $K_s^0\bar{p}$ in Deep Inelastic Scattering at HERA
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• Phenomenological predictions for pentaquark masses from fits to baryon masses
• Comments on Diquarks, Strong Binding and a Large Hidden QCD Scale
• Light-Front Approach for Pentaquark Strong Decays
• Variational study of the flux tube recombination in the two quarks and two quarks system in Lattice QCD
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• Colour flux-tubes in static Pentaquark and Tetraquark systems
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• Search for Baryonic Resonances Decaying to Xi pi in Deep-Inelastic Scattering at HERA
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• Absence of evidence for pentaquarks on the lattice
• Magnetic moment of the pentaquark ${\Theta }^{+}(1540)$ with light-cone QCD sum rules
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• Penta-quark in Anisotropic Lattice QCD
• Masses and Magnetic Moments of Singly Heavy Pentaquarks
• Investigate the pentaquark resonance in the $NK$ system
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• Triquark structure and isospin symmetry breaking in exotic Ds mesons
• Systematic study of pentaquark states: $qqq-q\bar{q}$ configuration
• SU(6), Triquark states, and the pentaquark
• Possibility of determinig the parity of the pentaquark ${\Theta }^{+}$ from photoproduction near threshold
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• Regge trajectories for the triply heavy triquarks
• Upper limits for the photoproduction cross section for the Phi--(1860) pentaquark state off the deuteron
• The Observed Correlations for the Strange Multibaryon States in Systems with $\Lambda$-Hyperon from pa Collision at Momentum of 10 Gev/$c$
• Relativistic five-quark equations and negative parity pentaquarks
• Tetraquark and Pentaquark Systems in Lattice QCD
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• Relativistic five-quark equations and exotic baryons with isospin I=5/2
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• Hadronic Physics and Exotics
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• Status of Pentaquark Search at Jlab
• Pentaquarks in string dynamics
• P-wave Pentaquark and its Decay in the Quark Model with Instanton Induced Interaction
• Relativistic Calculation of the Width of the Theta (1540) Pentaquark
• Stability of pentaquarks with a two- plus three-body chromoelectric interaction
• Heavy Antiquark Pentaquarks in the CM and GB Models
• Recent issues in hadron spectroscopy
• Stability of the rotating SU(3) Skyrmion
• Tetraquark resonances, flip-flop and cherry in a broken glass model
• Chiral Soliton Model vs Pentaquark Structure for Θ(1540)
• Complete basis for the pentaquark wave function in a group theory approach
• Low-lying $s=+1$ Pentaquark states in the Inherent Nodal Structure Analysis
• Constituent quark models and pentaquark baryons
• Width of Theta - pentaquarks in relativistic quark model
• Asymptotic directional structure of radiation for fields of algebraic type D
• Diquarks and pentaquark nature