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7 papers · 2 filters
Analysis of up to Next-to-Next-to-Leading Order QCD Corrections
Wen-Yuan Li, Ting Sun, Sheng-Quan Wang +4
The rare exclusive decay of the Higgs boson is an important channel for measuring the Yukawa coupling of the charm quark. In this article, we analyze the process by…
Toward a holographic realization of the 2+1-flavor QCD phase structure
Jin-Yang Shen, Xin-Yi Liu, Jin-Rui Wu +2
We present a fully back-reacted Einstein--Maxwell--Dilaton--flavor model with dynamical light and strange sectors, calibrated to lattice QCD using a machine-learning--assisted spec…
Analysis of the Pion Electromagnetic Form Factor with Next-to-Next-to-Leading Order QCD Corrections
Sheng-Quan Wang, Zuo-Fen Liao, Jian-Ming Shen +5
NNLO QCD corrections for the pion electromagnetic form factor at large momentum transfer have been recently performed in [Phys. Rev. Lett. 132, 201901 (2024); Phys. Rev. Lett. 134,…
Gravitational form factors of pions, kaons and nucleons from dispersion relations
Xiong-Hui Cao, Feng-Kun Guo, Qu-Zhi Li +2
The gravitational form factors of pions, kaons and the nucleons are investigated by employing modern dispersive techniques and chiral perturbation theory. We determine the gravitat…
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…
A reanalysis of event shape distributions in electron-positron annihilation
Zhu-Yu Ren, Sheng-Quan Wang, Jian-Ming Shen +2
Theoretical calculations for event shape observables are often determined by using the conventional scale setting; i.e. the procedure defined by setting the renormalization scale t…