Heavy Quark Spectroscopy -- Theory Overview

Abstract

Some recent discoveries in the spectroscopy of hadrons containing heavy quarks, and some of their theoretical interpretations, are reviewed.

13 pages, 6 figures. Presented at Second Meeting of APS Topical Group on Hadron Physics, Nashville, TN, 22-24. Proceedings to be published by Journal of Physics (UK), Conference Series. Uses jpconf.cls, jpconf11.clo. Some corrections; references updated

References in corpus (75)

• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• The Cosmological Parameters 2006
• Big-Bang nucleosynthesis (Particle Data Group mini-review)
• Observation of a New Narrow Charmonium State in Exclusive B+-->K+ pi+pi- J/psi Decays
• Observation of a narrow charmonium-like state in exclusive B+ -> K+ pi+pi- J/psi decays
• Observation of a Broad Structure in the ${\pi }^{+}{\pi }^{-}J/\psi$ Mass Spectrum around 4.26 GeV/$c^2$
• Observation of a Narrow Meson Decaying to Ds+pi0 at a Mass of 2.32 GeV/c^2
• Observation of the Narrow State $X(3872)\to J/\psi {\pi }^{+}{\pi }^{-}$ in $\bar{p}p$ Collisions at $\sqrt{s}=1.96 \TeV$
• Observation and Properties of the X(3872) Decaying to J/psi pi+ pi- in p-p(bar) Collisions at sqrt(s) = 1.96 TeV
• 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
• Study of the B- --> J/psi K- pi+ pi- Decay and Measurement of the B- --> X(3872) K- Branching Fraction
• Properties of heavy quarkonia and B_c mesons in the relativistic quark model
• Short Range Structure in the X(3872)
• Chiral Multiplets of Heavy-Light Mesons
• High-Precision Lattice QCD Confronts Experiment
• Observation of a near-threshold omega-J/psi mass enhancement in exclusive B-->K omega J/psi decays
• The D*0 D0bar threshold resonance
• Observed D_s(2317) and tentative D(2100-2300) as the charmed cousins of the light scalar nonet
• Charmonium levels near threshold and the narrow state $X(3872) \to π^{+}π^{-}\jpsi$
• Study of B- => D**0 pi-(D**0 => D(*)+ pi-) decays
• Observation of New States Decaying into ${\Lambda }_c^{+}{K}^{-}{\pi }^{+}$ and ${\Lambda }_c^{+}{K}_S^0{\pi }^{-}$
• Charmonium Decays of $Y(4260), psi(4160), and psi(4040)
• Gluonic charmonium resonances at BaBar and Belle?
• Four Quark Interpretation of Y(4260)
• Direct Limits on the Bs Oscillation Frequency
• Confirmation of the Y(4260) Resonance Production in ISR
• The Possible Interpretations of Y(4260)
• Measurement of the Bs-Bsbar Oscillation Frequency
• Diagnostic Decays of the X(3872)
• Observation of a Near-threshold $D^0{\bar{D}}^0{\pi }^0$ Enhancement in $B\to D^0{\bar{D}}^0{\pi }^{0}K$ Decay
• The B Meson Decay Constant from Unquenched Lattice QCD
• Suppressed decay into open charm for the Y(4260) being an hybrid
• New states above charm threshold
• Charmed meson decay constants in three-flavor lattice QCD
• Measurements of the $D_{sJ}$ resonance properties
• Improved Measurement of cal{B}(D^+ --> mu^+ nu) and the Pseudoscalar Decay Constant f_{D^+}
• Observation of an Isotriplet of Excited Charmed Baryons Decaying to ${\Lambda }_c^{+}\pi$
• Measurement of Masses and Widths of Excited Charm Mesons $D_2^{\ast }$ and Evidence for Broad States
• Observation of New States Decaying into ${\Lambda }_c^{+}{\pi }^{-}{\pi }^{+}$
• Charmonium Spectrum from Quenched Anisotropic Lattice QCD
• Observation of h_c(^1P_1) State of Charmonium
• Measurements of the cross sections for $e^{+}{e}^{-}\to \mathrm{hadrons}$ at 3.650, 3.6648, 3.773 GeV and the branching fraction for $\psi (3770)\to \mathrm{non}-D\bar{D}$
• Measurements of the braching fractions for psi(3770)--> D0D0-bar,D+D-,DD-bar$ and the resonance parameters of psi(3770) and psi(2S)
• Mass of the B_c Meson in Three-Flavor Lattice QCD
• Measurement of $b$ hadron masses in exclusive $J/\psi$ decays with the CDF detector
• Measurement of Absolute Hadronic Branching Fractions of D Mesons and e^+e^- --> D barD Cross Sections at E_cm = 3773 MeV
• Charmonium's K2 peak
• D_{sJ}(2860) as the first radial excitation of the D_{s0}^*(2317)
• $D_{sJ}(2860)$ resonance and the $s_{\ell }^P={\frac{5}{2}}^{-}$ $c\bar{s}$ ($c\bar{q}$) doublet
• Observation of psi(3770)--> pi pi J/psi and Measurement of Gamma_{ee}[psi(2S)]
• Production of singlet P-wave $c\bar{c}$ and $b\bar{b}$ states
• Evidence of psi(3770) non-DD-bar Decay to J/psi pi+pi-
• Observation of the ^1P_1 State of Charmonium
• Decay of the psi(3770) to Light Hadrons
• Measurement of sigma(e^+e^- --> psi(3770) --> hadrons) at E_{cm}=3773 MeV
• Photon transitions in Upsilon(2S) and Upsilon(3S)
• Observation of psi(3770) --> gamma chi_c0
• Continuum bound states K-long, D_{1}(2420), D_{s1}(2536) and their partners K-short, D_{1}(2400), D*_{sJ}(2463)
• Psi'' decays to charmless final states
• Production of the ${\eta }_b(nS)$ states
• Observation of ${\rm Y}(4S)decaysto$π^+pi^-Υ(1S)$and$π^+pi^-Υ(2S)
• Charmed Baryons with $J=3/2$
• First Observation of psi(3770) --> gamma chi_{c1} --> gamma gamma J/psi
• Sea Quark Effects on Quarkonia
• Study of B --> D^(*)D_s(J)^(*) Decays and Measurement of D_s^- and D_sJ(2 460)^- Branching Fractions
• Measurement of the Direct Photon Momentum Spectrum in Upsilon(1S), Upsilon(2S), and Upsilon(3S) Decays
• Diquarks as Inspiration and as Objects
• Masses of light mesons in the relativistic quark model
• Angular distributions in $J/\psi (\rho ,\omega )$ states near threshold
• Search for Exclusive Multi-Body Non-DbarD Decays at the psi(3770)
• Observation of the Hadronic Transitions Chi_{b 1,2}(2P) -> omega Upsilon(1S)
• Measurement of the Muonic Branching Fractions of the Narrow Upsilon Resonances
• Hadron Spectroscopy (theory): Diquarks, Tetraquarks, Pentaquarks and no quarks
• Experimental Study of chi_b(2P) --> pi pi chi_b(1P)
• A possible gateway to eta_b: chi_{b0}(2P) -> eta eta_b

Cited by in corpus (17)

• The Exotic XYZ Charmonium-like Mesons
• The Vector and Axial-Vector Charmonium-like States
• Charmed baryon strong decays in a chiral quark model
• Exotic $QQ\bar{q}\bar{q}$, $QQ\bar{q}\bar{s}$ and $QQ\bar{s}\bar{s}$ states
• Strong decays of heavy-light mesons in a chiral quark model
• Baryon states with open beauty in the extended local hidden gauge approach
• Analysis of the ${\frac{1}{2}}^{\pm }$ flavor antitriplet heavy baryon states with QCD sum rules
• Analysis of the vertexes ${\Xi }_Q^{\ast }{\Xi }_Q^{\prime }V$, ${\Sigma }_Q^{\ast }{\Sigma }_{Q}V$ and radiative decays ${\Xi }_Q^{\ast }\to {\Xi }_Q^{\prime }\gamma$, ${\Sigma }_Q^{\ast }\to {\Sigma }_Q\gamma$
• Mass Spectrum of Heavy Quarkonium Hybrids
• Width of exotics from QCD sum rules : tetraquarks or molecules?
• Probabilities in nonorthogonal basis: Four--quark systems
• Masses of the tensor mesons with $J^P=2^{-}$
• Four-quark stability
• Observation of inclusive $D^{\ast \pm }$ production in the decay of ${\rm Y}(1S)$
• Light-Cone Distribution Amplitudes of Light $J^{PC}=2^{--}$ Tensor Mesons in QCD
• Searching for a hidden charm $h_1$ state in the $X(4660)\to \eta h_1$ and $X(4660)\to \eta D^{\ast }{\bar{D}}^{\ast }$ decays
• Quark-model hadron structure