QCD corrections to double J/ψproduction in e+e- annihilation at \sqrt{s}=10.6 GeV

Abstract

Next-to-Leading-Order(NLO) QCD corrections to double J/psi production in e^+e^- annihilation at sqrt{s}=10.6 GeV are calculated. We find that they greatly decrease the cross section, with a K factor (NLO/LO) ranging from -0.31 to 0.25 depending on the renormalization scale. Although the renormalization scale dependence indicates a large uncertainty, when combined with the NLO QCD corrections to J/psi + eta_c production, it can explain why the double J/psi$ production could not be found at B factories while the J/psi + eta_c production could, despite the fact that cross section of the former is larger than that of the latter at LO by a factor of 1.8.

4 pages, 4 figures, use revtex4

References in corpus (7)

• QCD corrections to J/psi and Upsilon production at hadron colliders
• Relativistic corrections to $J/\psi$ exclusive and inclusive double charm production at B factories
• QCD corrections to J/psi plus eta_c production in e+e- annihilation at sqrt{s}=10.6 GeV
• Reconciling the light-cone and nonrelativistic QCD approaches to calculating e+ e- -> J/psi + eta_c
• NRQCD Factorization for Twist-2 Light-Cone Wave-Functions of Charmonia
• Exclusive Two-Vector-Meson Production from e^+ e^- Annihilation
• Exclusive Double Charmonium Production from ${\rm Y}$ Decay

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• QCD corrections to polarization of J/ψand Υat Fermilab Tevatron and CERN LHC
• Next-to-Leading-Order QCD corrections to J/ψ(Υ)+γproduction at the LHC
• Inclusive double-quarkonium production at the Large Hadron Collider
• Next-to-Leading-Order QCD Corrections to e+ e- --> J/psi c c_bar at the B Factories
• Pair Production of Heavy Quarkonium and $B_c{(}^{\ast })$ Mesons at Hadron Colliders
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• J/ψpolarization in photo-production up-to the next-to-leading order of QCD
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• Relativistic Correction to Color Octet J/psi Production at Hadron Colliders
• The study of double vector charmonium mesons production at B-factories within light cone formalism
• QED contribution to the production of J/ψ+c\bar{c}+X at the Tevatron and LHC
• Prompt heavy quarkonium production in association with a massive (anti)bottom quark at the LHC
• ${\rm Y}$ decay to two-charm quark jets as a Probe of the Color Octet Mechanism
• Next-to-leading order QCD corrections to Higgs boson decay to quarkonium plus a photon
• Photoproduction of the double $J/\psi$ (${\rm Y}$) at the LHC with forward proton tagging
• Next-to-next-to-leading-order QCD corrections to double $J/\psi$ production at the $B$ factories
• Higher-order corrections to exclusive production of charmonia at B factories
• Automated event generation for S-wave quarkonium and leptonium production in NRQCD and NRQED