Quarkonia & Pentaquarks

Abstract

A brief review of the latest developments in the spectroscopy of heavy quarks is presented. The current status of the recently `discovered' pentaquarks is also discussed.

arXiv comment8 pages, 2 figures, Presented at the Eighth Workshop on Non-Perturbative QCD, Paris, France, 7-11 June 2004

References in corpus (23)

• 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
• Evidence for Narrow S=+1 Baryon Resonance in Photo-production from Neutron
• Diquarks and Exotic Spectroscopy
• Observation of a Narrow Meson Decaying to Ds+pi0 at a Mass of 2.32 GeV/c^2
• Observation of a Narrow Resonance of Mass 2.46 GeV/c^2 Decaying to D_s^*+ pi^0 and Confirmation of the D_sJ^* (2317) State
• 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
• Evidence for the positive-strangeness pentaquark ${\Theta }^{+}$ in photoproduction with the SAPHIR detector at ELSA
• Observation of an Exotic S = -2, Q = -2 Baryon Resonance in Proton-Proton Collisions at the CERN SPS
• Charmonium levels near threshold and the narrow state $X(3872) \to π^{+}π^{-}\jpsi$
• Observation of an Exotic Baryon with S=+1 in Photoproduction from the Proton
• Evidence for a narrow |S|=1 baryon state at a mass of 1528 MeV in quasi-real photoproduction
• Measurements of the Cross Section for e+e- -> hadrons at Center-of-Mass Energies from 2 to 5 GeV
• Evidence for a narrow baryonic state decaying to K0s-p and K0s-pbar in deep inelastic scattering at HERA
• Evidence for a narrow resonance at 1530 MeV/c2 in the K0 p - system of the reaction pp --> Sigma+ K0 p from the COSY-TOF experiment
• Evidence for a Narrow Anti-Charmed Baryon State
• Observation of eta_c^{prime} Production in gamma gamma Fusion at CLEO
• Search for the Pentaquark State in $\psi (2S)$ and $J/\psi$ Decays to $K_S^{0}p{K}^{-}\bar{n}$ and $K_S^0\bar{p}{K}^{+}n$
• Measurements of the mass and width of the eta_c meson and of an eta_c(2S) candidate
• First Observation of a Upsilon(1D) State
• Search for the ${\bar{\Theta }}^{-}\to$ K${}^{-}$ $\bar{n}$ with PHENIX
• Search for Theta^+ and Xi^{--}_{3/2} pentaquarks in HERA-B

Cited by in corpus (1)

• Quark Model and multiquark system