Publications (26)
Maximum Entropy Method for Valence Quark Distributions in Exotic Hadrons: A Study of the Case
Chengdong Han, Xiaopeng Wang, Wei Kou +1
In this study we demonstrate the application of the Maximum Entropy Method (MEM) to determine the valence quark distribution of exotic hadrons. Our investigation yields three key f…
Estimating proton radius and proportion of other non-perturbative components in the proton by the Maximum Entropy Method
Chengdong Han, Xurong Chen
In this paper, we apply the Maximum Entropy Method to estimate the proton radius and determine the valence quark distributions in the proton at extremely low resolution scale Q$^{2…
Revisiting the deuteron mass radius via near-threshold , and meson photoproduction
Xiaoxuan Lin, Wei Kou, Shixin Fu +3
We present a comprehensive analysis of near-threshold photoproduction of , , and mesons on a deuterium target, utilizing published datasets from DESY and SLAC for $Ï…
Pion and Kaon PDFs via Infrared-Safe Evolution augmented by Data Constraints
Yanbing Cai, Chengdong Han, Xurong Chen
Probing the partonic structure of the pion and the kaon provides essential insights into the non-perturbative dynamics of QCD, yet their parton distribution functions (PDFs) remain…
Proton and deuteron mass radii from near-threshold -meson photoproduction
Rong Wang, Wei Kou, Chengdong Han +2
We analyze the exclusive -meson photoproduction on both hydrogen and deuterium targets based on the published data of CLAS, SAPHIR and LEPS collaborations. A dipole-form scalar…
Gluon distributions and mass decompositions of the pion and kaon
Chengdong Han, Wei Kou, Rong Wang +1
We present the gluon distribution functions of pion and kaon in small- and large- regions, and compare them with the results obtained from lattice QCD and continuum Schwinger…
Proton Shell Structure
Wei Kou, Chengdong Han, Xurong Chen
We study the internal structure of the proton and propose a shell structure model of the proton. Based on the mass distribution and mass radius of proton we analyze the experiments…
Pion parton distribution functions with the nonrelativistic constituent quark model
Qian Wu, Chengdong Han, Di Qing +4
We calculate the valence quark distribution functions of the meson using the non-relativistic chiral constituent quark model. The wave function is obtained by solving the…
Extraction of n, p and N scattering lengths from and differential photoproduction cross sections on the deuterium target
Chengdong Han, Wei Kou, Rong Wang +1
In this study, we try to extract , and N scattering lengths from the differential cross-section data of near-threshold and photoproductions not only to the…
Neutron structure function via a maximum entropy analysis
Chengdong Han, Rong Wang, Xurong Chen
We employ the maximum entropy method to extract the valence quark distributions of the neutron at a low scale, \( Q_0^2 \). At this initial scale, the neutron is defined to contain…
Vector meson-nucleon scattering length and trace anomalous energy contribution to the nucleon mass
Chengdong Han, Wei Kou, Rong Wang +1
Low-energy scattering processes of vector meson and nucleon are an important window for studying non-perturbative QCD. The interaction of vector meson with nucleon, vector meson-nu…
Pion Valence Quark Distributions from Maximum Entropy Method
Chengdong Han, Hanyang Xing, Xiaopeng Wang +3
Valence quark distributions of pion at very low resolution scale are deduced from a maximum entropy method, under the assumption that pion consists of only…
Unifying the landscape of nucleon structure: an infrared-safe evolution scheme
Rong Wang, Chengdong Han, Xurong Chen
A novel approach for describing the evolution of nucleon structure from the low- regime to the high- asymptotic region is proposed. This infrared-safe scheme modifies the…
Electron-Ion Collider in China
Daniele P. Anderle, Valerio Bertone, Xu Cao +99
Lepton scattering is an established ideal tool for studying inner structure of small particles such as nucleons as well as nuclei. As a future high energy nuclear physics project,…
Simulation of the neutron-tagged deep inelastic scattering at EicC
Gang Xie, Mengyang Li, Chengdong Han +2
Measuring the pionic structure function is of high interests as it provides a new area for understanding the strong interaction among quarks and testing the QCD predictions. To thi…
The neutron and proton mass radii from the vector meson photoproduction data on the deuterium target
Chengdong Han, Gang Xie, Wei Kou +2
In this study, we try to extract the mass radii of the neutron and the proton from the differential cross section data of near-threshold and photoproductions on deuterium…
An Analysis of Parton Distribution Functions of the Pion and the Kaon with the Maximum Entropy Input
Chengdong Han, Gang Xie, Rong Wang +1
We present pion and kaon parton distribution functions from a global QCD analysis of the experimental data within the framework of dynamical parton model. We use the DGLAP equation…
Gottfried sum rule from maximum entropy method quark distributions with DGLAP evolution and DGLAP evolution with GLR-MQ-ZRS corrections
Chengdong Han, Qiang Fu, Xurong Chen
A new method to test the valence quark distribution of nucleon obtained from the maximum entropy method using Gottfried sum rule by performing DGLAP equations with the GLR-MQ-ZRS c…
An analysis of polarized parton distribution functions with nonlinear QCD evolution equations
Chengdong Han, Gang Xie, Rong Wang +1
We present the polarized parton distribution functions from a QCD analysis of the worldwide polarized deep inelastic scattering data, based on the dynamical parton distribution mod…
A Generalized Model for Light Transport in Scintillators
Jiangshan Lan, Meng Ding, Chengdong Han +2
Transported light in the medium usually shows as an exponential decay tendency. In the DAMPE strip scintillators, however, the phenomenon of light attenuation as the hit position a…
Tackling the kaon structure function at EicC
Gang Xie, Chengdong Han, Rong Wang +1
Measuring the kaon structure beyond the proton and pion structures is one of the hot topics in hadron physics, as it is one way to understand the nature of Nambu-Goldstone boson of…
IsoDAR Neutrino Experiment Simulation with Proton and Deuteron Beams
Fengyi Zhao, Yao Li, Chengdong Han +2
In this paper we consider high-intensity source of electron antineutrinos from the production and subsequent decay of 8Li. It opens a wide range of possible searches for beyond sta…
First Extraction of the - scattering length from near-threshold photoproduction on helium-4
Chengdong Han, Wei Kou, Rong Wang +1
We present a model-independent extraction of the phi-4He scattering length from near-threshold phi photoproduction on helium-4, based on LEPS Collaboration data for the coherent pr…
High Behavior of the Proton Structure Function through the Balitsky-Kovchegov Equation
Wei Kou, Gang Xie, Xiaopeng Wang +2
Numerous experimental and theoretical investigations have highlighted the power law behavior of the proton structure function , particularly the dependence of its po…
Exploring the Mass Radius of He and Implications for Nuclear Structure
Rong Wang, Chengdong Han, Xurong Chen
In this study, we determine the mass radius of He, a very light nucleus, by examining the near-threshold -meson photoproduction data of the LEPS Collaboration. To assess th…
A practical methodology for global polarization extraction in fixed-target experiments
Tan Lu, Chengdong Han, Chenlu Hu +7
Non-central heavy-ion collisions generate large orbital angular momentum in the created medium, which leads to polarization of final-state particles via spin-orbit coupling, known…