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High Energy Physics - Phenomenology

arXiv:1301.0376 (hep-ph)
[Submitted on 3 Jan 2013]

Title:${\mathcal O}(α_s v^2)$ correction to $J/ψ$ plus $η_c$ production in $e^+e^-$ annihilation at $\sqrt{s}=10.6GeV

Authors:Xi-Huai Li, Jian-Xiong Wang
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Abstract:Based on the nonrelativistic QCD factorization approach, ${\mathcal O}(\alpha_s v^2)$ corrections to $\jpsi$ plus $\eta_c$ production in $e^+e^-$ annihilation at $\sqrt{s}=10.6 \gev$ is calculated in this work. The numerical results show that the correction at $\alpha_s v^2$ order is only about a few percent for the total theoretical result. It indicates that the perturbative expansions for the theoretical prediction become convergence and higher order correction will be smaller. The uncertainties from the long-distance matrix elements, renormalization scale and the measurement in experiment are also discussed. Our result is in agreement with previous result in ref [1].
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1301.0376 [hep-ph]
  (or arXiv:1301.0376v1 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1301.0376
Related DOI: https://doi.org/10.1088/1674-1137/38/4/043101

Submission history

From: Li Xihuai [view email]
[v1] Thu, 3 Jan 2013 04:36:14 UTC (22 KB)
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