Author

Zhi-Guo He

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Preprint Oct 2026

Forward $\chi_c$ production in $pp$ and $pA$ collisions within the CGC+NRQCD framework

We study the forward $\chi_{cJ}$ production in the low $p_{\perp}$ region in proton-proton $(pp)$ and proton-nucleus $(pA)$ collisions at the LHC within the framework of non-relativistic QCD (NRQCD) factorization and the Color Glass Condensate (CGC) effective field theory. Incorporating the small-$x$ gluonic evolution...

Zhi-Guo He, Hao-Yu Liu · 0 citations

Preprint Aug 2026

Next-to-leading-order QCD corrections to $S$- and $P$-wave heavy quarkonium decay to $l^{+}l^{-} \gamma$

In this work, we comprehensively study the total and differential decay widths of the radiative Dalitz decays $H \to l^+l^-\gamma$ up to QCD next-to-leading order (NLO) accuracy within the framework of NRQCD factorization. Our calculation includes the decays of $S$-wave states ($\eta_c, \eta_b$) and the $P$-wave triple...

Zhi-Guo He, Xu-Dong Huang · 0 citations