The colour triplet qqqbar cluster and pentaquark models

Abstract

We study the properties of the colour triplet qqqbar quark cluster when flavour symmetry is broken. The relevance of such a cluster for some models of pentaquarks is then examined in the light of recent experimental signals.

9 pages

References in corpus (5)

• Observation of an Exotic S = -2, Q = -2 Baryon Resonance in Proton-Proton Collisions at the CERN SPS
• Z^* Resonances: Phenomenology and Models
• Positive Parity Pentaquarks Pragmatically Predicted
• Pentaquark Symmetries, Selection Rules and another potentially Narrow State
• Instanton induced quark dynamics and the pentaquark

Cited by in corpus (17)

• Pentaquark and Tetraquark states
• Heavy-flavored tetraquark states with the $QQ\bar{Q}\bar{Q}$ configuration
• Exotic tetraquark states with the $qq\bar{Q}\bar{Q}$ configuration
• Interpreting the $X(5568)$
• Chromomagnetism, flavour symmetry breaking and S-wave tetraquarks
• $X(4140)$, $X(4270)$, $X(4500)$ and $X(4700)$ and their $cs\bar{c}\bar{s}$ tetraquark partners
• Hidden-charm pentaquarks and their hidden-bottom and $B_c$-like partner states
• Triply heavy tetraquark states with the $QQ\bar{Q}\bar{q}$ configuration
• Color Non-Singlet Spectroscopy
• Mass spectra and decays of open-heavy tetraquark states
• Pentaquark implications for exotic mesons
• Spectroscopy of ${\mathrm{q}}^3{\bar{\mathrm{q}}}^3$-States in Quark Model and Baryon-Antibaryon Enhancements
• X(1576) as Diquark-Antidiquark Bound State
• Triquark structure and isospin symmetry breaking in exotic Ds mesons
• Regge trajectories for the triply heavy triquarks
• SU(6), Triquark states, and the pentaquark
• Understanding light scalar meson by color-magnetic wavefunction in QCD sum rule