Xu-Chang Zheng

activity

20122026

most citedReanalysis of the BFKL Pomeron at the next-to-leading logarithmic accuracy

45 citations · 487 across the 48 of their papers we have counts for

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hep-ph2026

EEXICC: An event generator for doubly heavy baryon production at $e^{+} e^{-}$ colliders

Hong-Tai Li, Xu-Chang Zheng, Xing-Gang Wu +2

We present EEXICC, a Monte Carlo event generator designed to simulate the production of doubly heavy baryons ( $Ξ_{cc}$ , $Ξ_{b c}$ , and $Ξ_{bb}$ ) via $e^{+} e^{-}$ annihilation. Based on…

hep-ph2026

Production of doubly heavy quarkonium associated with two heavy quarks via top quark decays

Juan-Juan Niu, Xu-Chang Zheng, Hong-Hao Ma

In this paper, we analyze the $1 \to 4$ decay channel for the production of doubly heavy quarkonium, $(b c ˉ)$ or $(c c ˉ)$ , via top-quark decays, $t \to (b\bar{c}) +…

hep-ph2026

Next-to-leading order QCD and relativistic corrections to $Z \to J / ψ + Υ (n S)$

Guang-Yu Wang, Xu-Chang Zheng, Guang-Zhi Xu

In this paper, we calculate the decay widths and branching fractions for the decays $Z \to J / ψ + Υ (n S)$ ( $n = 1, 2, 3$ ) at future super $Z$ factory and at the CEPC/FCC-ee, including both…

hep-ph2026

Renormalization and Factorization Scale-Invariant Predictions for the Higgs Rare Decay $H \to J / ψ + γ$ via the Principle of Maximum Conformality

Qi-Sha Ran, Xing-Gang Wu, Jiang Yan +2

We investigate the $J/ψ$ direct production mechanism in the rare exclusive Higgs decay $H\to J/ψ+γ$ within nonrelativistic QCD (NRQCD), which provides a clean probe for extract…

hep-ph2026

Fragmentation functions for gluon into $P$ -wave $B_{c}$ mesons

Xu-Chang Zheng, Xing-Gang Wu

We calculate the fragmentation functions for a gluon into $P$ -wave $B_{c}$ mesons within the nonrelativistic QCD factorization framework, incorporating color-singlet and color-octet…

hep-ph2025

Determination of $∣ V_{cb} ∣$ using Bayesian analysis of the $B \to D^{*} ℓ ν ˉ_{ℓ}$ semileptonic decay width with four-loop QCD corrections

Wang Li, Xing-Gang Wu, Hua Zhou +1

The Cabibbo-Kobayashi-Maskawa matrix element $∣ V_{cb} ∣$ is an important Standard Model parameter, whose value can be determined by using the semi-leptonic decay $B\rightarrow D…

hep-ph2025

Production of doubly heavy baryon at the Muon-Ion Collider

Xue-Yun Zhao, Lei Guo, Xu-Chang Zheng +3

This study forecasts the production of doubly heavy baryons, $Ξ_{cc}$ , $Ξ_{b c}$ , and $Ξ_{bb}$ , within the nonrelativistic QCD framework at the Muon-Ion Collider (MuIC). It examines…

hep-ph2024★ 1 cited

QCD corrections of $e^{+} e^{-} \to J / ψ + c + c ˉ$ using the principle of maximum conformality

Xu-Dong Huang, Xing-Gang Wu, Xu-Chang Zheng +2

In this paper, we compute the total and differential cross sections for $e^{+} e^{-} \to J / ψ + c + c ˉ$ at the $B$ factories up to next-to-leading order (NLO) corrections within the fra…

hep-ph2024★ 3 cited

Precise determination of the bottom-quark on-shell mass using its four-loop relation to the $MS$ -scheme running mass

Shun-Yue Ma, Xu-Dong Huang, Xu-Chang Zheng +1

In this paper, we explore the properties of the bottom-quark on-shell mass ( $M_{b}$ ) by using its relation to the $MS$ mass ( $m_{b}$ ). At present, this $\ove…

hep-ph2024★ 2 cited

Improved analysis of double $J / ψ$ production in $Z$ -boson decay

Guang-Yu Wang, Xing-Gang Wu, Xu-Chang Zheng +2

In this paper, we present an improved calculation for the decay rate of the rare $Z$ -boson decay into $J / ψ + J / ψ$ . This decay is dominated by the photon fragmentation mechanism, i.e…

hep-ph2023★ 2 cited

$Z$ -boson decays into $S$ -wave quarkonium plus a photon up to $O (α_{s} v^{2})$ corrections

Guang-Yu Wang, Xu-Chang Zheng, Xing-Gang Wu +1

In this paper, we calculate the decay widths and branching fractions for the decays $Z \to H + γ$ up to $O (α_{s} v^{2})$ accuracy within the framework of nonrelativistic QCD, w…

hep-ph2023

Photoproduction of doubly heavy baryons at future $e^{+} e^{-}$ colliders

Xi-Jie Zhan, Xing-Gang Wu, Xu-Chang Zheng

The photoprodution of doubly heavy baryon ( $Ξ_{cc}, Ξ_{bb}, Ξ_{b c}$ ) is investigated in the context of future high-energy and high-luminosity $e^{+} e^{-}$ colliders. The study incorporat…

hep-ph2023

Photoproduction of $P$ -wave doubly charmed baryon at future $e^{+} e^{-}$ collider

Xi-Jie Zhan, Xing-Gang Wu, Xu-Chang Zheng

The photoproduction of $P$ -wave doubly charmed baryon ( $Ξ_{cc}$ ) is investigated in the context of future high-energy and high-luminosity $e^{+} e^{-}$ colliders. The direct photoproduc…

hep-ph2023★ 6 cited

Higgs boson decays to $B_{c}$ meson in the fragmentation-function approach

Xu-Chang Zheng, Xing-Gang Wu, Xi-Jie Zhan +2

In the paper, we present a calculation of the decay widths for the Higgs boson decays to the $B_{c}$ , $B_{c}^{*}$ , $B_{c} (2^{1} S_{0})$ and $B_{c}^{*} (2^{3} S_{1})$ mesons using the fragmentation-functi…

hep-ph2022★ 6 cited

Photoproduction of the $B_{c}$ meson at the future $e^{+} e^{-}$ colliders

Xi-Jie Zhan, Xing-Gang Wu, Xu-Chang Zheng

In the present paper, we study the photoproduction of various $S$ -wave $B_{c}$ states, i.e. $B_{c} (1^{1} S_{0})$ , $B_{c}^{*} (1^{1} S_{0})$ , $B_{c} (2^{1} S_{0})$ and $B_{c}^{*} (2^{3} S_{1})$ , at future $e^+e…

hep-ph2022★ 5 cited

Hadronic production of $Ξ_{b c}$ with the intrinsic heavy-quark content at a fixed-target experiment at the LHC

Hong-Tai Li, Xu-Chang Zheng, Jiang Yan +2

In this paper, we make a detailed study on the hadronic production of the $Ξ_{b c}$ baryon at a fixed target experiment at the LHC (After@LHC). In estimating the production cross se…

hep-ph2022★ 7 cited

Excited doubly heavy baryons production via top-quark decays

Hong-Hao Ma, Juan-Juan Niu, Xu-Chang Zheng

Within the framework of NRQCD, we calculate the production of excited doubly heavy baryons $Ξ_{b Q}$ through the semi-inclusive production process $t\rightarrow \langle bQ\rangle[n]…

hep-ph2022★ 4 cited

Precise determination of the top-quark on-shell mass $M_{t}$ via its scale-invariant perturbative relation to the top-quark $MS$ mass $m_{t} (m_{t})$

Xu-Dong Huang, Xing-Gang Wu, Xu-Chang Zheng +3

It has been shown that the principle of maximum conformality (PMC) provides a systematic way to solve conventional renormalization scheme and scale ambiguities. The scale-fixed pre…

hep-ph2022★ 4 cited

BEEC2.0: An Upgraded Version for the Production of Heavy Quarkonium at Electron-positron Collider

Zhi Yang, Xu-Chang Zheng, Xing-Gang Wu

The event generator BEEC [Z. Yang, X.G. Wu and X.Y. Wang, Comput. Phys. Commun. 184, 2848 (2013)] was devoted to the simulation of heavy quarkonium production at an unpolarized ele…

hep-ph2022

Inclusive $J / ψ$ photoproduction at the ILC within the framework of non-relativistic QCD

Xi-Jie Zhan, Xing-Gang Wu, Xu-Chang Zheng

Based on the non-relativistic quantum chromodynamics factorization framework, we study the inclusive $J / ψ$ photoproduction at the future high energy $e^{+} e^{-}$ collider, Internationa…

hep-ph2022★ 3 cited

New determination of $∣ V_{cb} ∣$ using the three-loop QCD corrections for the $B \to D^{*}$ semi-leptonic decays

Hua Zhou, Qing Yu, Xu-Chang Zheng +2

We present a new determination of the Cabibbo-Kobayashi-Maskawa matrix element $∣ V_{cb} ∣$ by using the three-loop perturbative QCD corrections for the $B \to D^{*}$ semi-lept…

hep-ph2022★ 2 cited

Next-to-leading order QCD corrections to $Z \to η_{Q} + Q + Q ˉ$

Xu-Chang Zheng, Xing-Gang Wu, Xi-Jie Zhan +2

It has been found that at a high luminosity $e^{+} e^{-}$ collider, sizable $η_{c} + c c ˉ X$ and $η_{b} + b b ˉ X$ events can be produced when it works around the $Z$ peak. In this paper,…

hep-ph2022★ 16 cited

Excited doubly heavy baryon production via $W^{+}$ boson decays

Peng-Hui Zhang, Lei Guo, Xu-Chang Zheng +1

In this paper, decay widths of the doubly heavy baryons ( $Ξ_{cc} and Ξ_{b c}$ ) production are theoritically calculated in the whole phase space through $W^+ \to Ξ_{cc}+ \ba…

hep-ph2021★ 18 cited

Fragmentation functions for gluon into $B_{c}$ or $B_{c}^{*}$ meson

Xu-Chang Zheng, Chao-Hsi Chang, Xing-Gang Wu

In the paper, we calculate the fragmentation functions for $g \to B_{c}$ and $g \to B_{c}^{*}$ . The ultraviolet divergences in the calculation are removed through the renormalization of…

EEXICC: An event generator for doubly heavy baryon production at e+e− colliders

Production of doubly heavy quarkonium associated with two heavy quarks via top quark decays

Next-to-leading order QCD and relativistic corrections to Z→J/ψ+Υ(nS)

Renormalization and Factorization Scale-Invariant Predictions for the Higgs Rare Decay H→J/ψ+γ via the Principle of Maximum Conformality

Fragmentation functions for gluon into P-wave Bc​ mesons

Determination of ∣Vcb​∣ using Bayesian analysis of the B→D∗ℓνˉℓ​ semileptonic decay width with four-loop QCD corrections

Production of doubly heavy baryon at the Muon-Ion Collider

QCD corrections of e+e−→J/ψ+c+cˉ using the principle of maximum conformality

Precise determination of the bottom-quark on-shell mass using its four-loop relation to the MS-scheme running mass

Improved analysis of double J/ψ production in Z-boson decay

Z-boson decays into S-wave quarkonium plus a photon up to O(αs​v2) corrections

Photoproduction of doubly heavy baryons at future e+e− colliders

Photoproduction of P-wave doubly charmed baryon at future e+e− collider

Higgs boson decays to Bc​ meson in the fragmentation-function approach

Photoproduction of the Bc​ meson at the future e+e− colliders

Hadronic production of Ξbc​ with the intrinsic heavy-quark content at a fixed-target experiment at the LHC

Excited doubly heavy baryons production via top-quark decays

Precise determination of the top-quark on-shell mass Mt​ via its scale-invariant perturbative relation to the top-quark MS mass mt​(mt​)

BEEC2.0: An Upgraded Version for the Production of Heavy Quarkonium at Electron-positron Collider

Inclusive J/ψ photoproduction at the ILC within the framework of non-relativistic QCD

New determination of ∣Vcb​∣ using the three-loop QCD corrections for the B→D∗ semi-leptonic decays

Next-to-leading order QCD corrections to Z→ηQ​+Q+Qˉ​

Excited doubly heavy baryon production via W+ boson decays

Fragmentation functions for gluon into Bc​ or Bc∗​ meson

EEXICC: An event generator for doubly heavy baryon production at $e^{+} e^{-}$ colliders

Next-to-leading order QCD and relativistic corrections to $Z \to J / ψ + Υ (n S)$

Renormalization and Factorization Scale-Invariant Predictions for the Higgs Rare Decay $H \to J / ψ + γ$ via the Principle of Maximum Conformality

Fragmentation functions for gluon into $P$ -wave $B_{c}$ mesons

Determination of $∣ V_{cb} ∣$ using Bayesian analysis of the $B \to D^{*} ℓ ν ˉ_{ℓ}$ semileptonic decay width with four-loop QCD corrections

QCD corrections of $e^{+} e^{-} \to J / ψ + c + c ˉ$ using the principle of maximum conformality

Precise determination of the bottom-quark on-shell mass using its four-loop relation to the $MS$ -scheme running mass

Improved analysis of double $J / ψ$ production in $Z$ -boson decay

$Z$ -boson decays into $S$ -wave quarkonium plus a photon up to $O (α_{s} v^{2})$ corrections

Photoproduction of doubly heavy baryons at future $e^{+} e^{-}$ colliders

Photoproduction of $P$ -wave doubly charmed baryon at future $e^{+} e^{-}$ collider

Higgs boson decays to $B_{c}$ meson in the fragmentation-function approach

Photoproduction of the $B_{c}$ meson at the future $e^{+} e^{-}$ colliders

Hadronic production of $Ξ_{b c}$ with the intrinsic heavy-quark content at a fixed-target experiment at the LHC

Precise determination of the top-quark on-shell mass $M_{t}$ via its scale-invariant perturbative relation to the top-quark $MS$ mass $m_{t} (m_{t})$

Inclusive $J / ψ$ photoproduction at the ILC within the framework of non-relativistic QCD

New determination of $∣ V_{cb} ∣$ using the three-loop QCD corrections for the $B \to D^{*}$ semi-leptonic decays

Next-to-leading order QCD corrections to $Z \to η_{Q} + Q + Q ˉ$

Excited doubly heavy baryon production via $W^{+}$ boson decays

Fragmentation functions for gluon into $B_{c}$ or $B_{c}^{*}$ meson