Chongqing Normal University

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hep-ph2026

A new method for estimating unknown one-order higher QCD corrections to the perturbative series using the linear regression through the origin

Zhi-Fei Wu, Xing-Gang Wu, Jiang Yan +2

It is generally believed that the QCD theory is the fundamental theory for strong interactions. Due to the asymptotic freedom at the short distances, after proper factorization, on…

hep-ph2026★ 1 cited

Two loop QCD corrections to $e^{+} e^{-} \to J / I ¨ + I^\cdot_{c}$ in asymptotic expansion

Cong Li, Xu-Dong Huang, Wen-Long Sang

Within the framework of NRQCD, the short-distance coefficients (SDCs) for the process $e^{+} e^{-} \to J / I ¨ + I^\cdot_{c}$ have been obtained up to NNLO in asymptotic expansions over $r={16m_c^2}…

A new method for estimating unknown one-order higher QCD corrections to the perturbative series using the linear regression through the origin

Two loop QCD corrections to e+e−→J/I¨+I^⋅c​ in asymptotic expansion

Two loop QCD corrections to $e^{+} e^{-} \to J / I ¨ + I^\cdot_{c}$ in asymptotic expansion