Relativistic Corrections to $e^{+}{e}^{-}\to J/\psi +{\eta }_c$ in a Potential Model

Abstract

We compute relativistic corrections to the process $e^{+}{e}^{-}\to J/\psi +{\eta }_c$ and find that they resolve the discrepancy between theory and experiment.

3 pages, talk given at Quark Confinement and the Hadron Spectrum VII, Ponta Delgada, Azores, 2--7 Sept, 2006

Cited by in corpus (36)

• Heavy quarkonium: progress, puzzles, and opportunities
• QCD corrections to J/psi plus eta_c production in e+e- annihilation at sqrt{s}=10.6 GeV
• QCD radiative correction to color-octet $J/\psi$ inclusive production at B Factories
• Resummation of Relativistic Corrections to e+ e- -> J/psi+eta_c
• Next-to-Leading-Order QCD Corrections to e^ + e^- -> J/ψ+gg at the B Factories
• The study of leading twist light cone wave functions of J/Psi meson
• QCD corrections to double J/ψproduction in e+e- annihilation at \sqrt{s}=10.6 GeV
• Next-to-Leading-Order QCD Corrections to e+ e- --> J/psi c c_bar at the B Factories
• QCD corrections to Upsilon production via color-octet states at the Tevatron and LHC
• Automatic generation of quarkonium amplitudes in NRQCD
• Relativistic correction to $e^{+}{e}^{-}\to J/\psi +gg$ at $B$ factories and constraint on color-octet matrix elements
• NRQCD matrix elements for S-wave bottomonia and Gamma[eta_b(nS) -> gamma gamma] with relativistic corrections
• Exclusive heavy quarkonium + gamma production from e+ e- annihilation into a virtual photon
• Inclusive production of $J/\psi$, $\psi (2S)$, and ${\rm Y}$ states in pNRQCD
• Relativistic description of the double charmonium production in $e^{+}{e}^{-}$ annihilation
• QCD corrections to $J/\psi$ plus $Z^0$-boson production at the LHC
• The study of leading twist light cone wave functions of 2S state charmonium mesons
• Relativistic effects in the semileptonic $B_c$ decays to charmonium with the Bethe-Salpeter method
• The cross section of the process $e^{+}+e^{-}\to J/\psi +{\eta }_c$ within the QCD light-cone sum rules
• Inclusive Charm Production in Upsilon(nS) Decay
• The next-to-leading-order QCD correction to inclusive J/ψ(Υ) production in Z^0 decay
• ${\alpha }_s{v}^2$ corrections to ${\eta }_c$ and ${\chi }_{cJ}$ production recoiled with a photon at $e^{+}{e}^{-}$ colliders
• $\mathcal{O}({\alpha }_s{v}^2)$ correction to $J/\psi$ plus ${\eta }_c$ production in $e^{+}{e}^{-}$ annihilation at $\sqrt{s}=10.6GeV
• Possible contributions to $e^{+}{e}^{-}\to J/\psi +{\eta }_c$ due to intermediate meson rescatterings
• Observation of e+e- --> rho+rho- near sqrt(s)=10.58 GeV
• Prompt heavy quarkonium production in association with a massive (anti)bottom quark at the LHC
• Exclusive double $B_c$ meson production from $e^{+}{e}^{-}$ annihilation into two virtual photons
• Next-to-next-to-leading-order QCD corrections to $J/\psi$ plus ${\eta }_c$ production at the $B$ factories
• Resummation of relativistic corrections to exclusive productions of charmonia in e+ e- collisions
• Double Logarithms in $e^{+}{e}^{-}\to J/\psi +{\eta }_c$
• Search for $C=+$ charmonium and XYZ states in $e^{+}{e}^{-}\to \gamma +H$ at BESIII
• Relativistic corrections to the semi-inclusive decay of $\mathbf{\psi }$ and $\mathbf{{\rm Y}}$
• Quarkonia production in a Langevin approach
• Next-to-next-to-leading-order QCD corrections to double $J/\psi$ production at the $B$ factories
• Order-$v^4$ Relativistic Corrections to ${\rm Y}$ Inclusive Decay into a Charm pair
• The QED contribution to $J/\psi$ plus light hadrons production at B-factories