16 citations · 145 across the 34 of their papers we have counts for
21 papers · 1 filter
Dissociation cross sections of , , , and mesons with nucleons
Ruo-Qing Ding, Xiao-Ming Xu, H. J. Weber
We study the dissociation of , , , and mesons in collisions with nucleons, which takes place in high-energy proton-nucleus collisions. Quark in…
Cross sections for inelastic + scattering
Yi-Hao Pan, Xiao-Ming Xu
In the first Born approximation we study the reactions , , , and with quark-antiquark annihilation and creation. Transition amplitudes are derived with th…
Dissociation Cross Sections of Large-Momentum Charmonia with Light Mesons in Hadronic Matter
Yi-Hao Pan, Wen-Hao Shi, Xiao-Ming Xu +1
Momenta of charmonia created in Pb-Pb collisions at the Large Hadron Collider are so large that three or more mesons may be produced when the charmonia collide with light mesons in…
Production of , , and mesons in hadronic matter
Li-Yuan Li, Xiao-Ming Xu, H. J. Weber
We present the first study of production of , , and mesons in hadronic matter. Quark interchange between two colliding charmed mesons leads to the produ…
Inelastic Meson-Meson Scattering in Hadronic Matter
Xiao-Ming Xu, H. J. Weber
We review studies of inelastic meson-meson scattering. In nonperturbative schemes with chiral-perturbation-theory Lagrangians and in models based on effective meson Lagrangians, in…
Cross sections for 2-to-1 meson-meson scattering
Wan-Xia Li, Xiao-Ming Xu, H. J. Weber
We study the processes , , , and the production of , , , and mesons in collisions of…
Cross Sections for Inelastic 2-to-2 Meson-Meson Scattering in Hadronic Matter
Ting-Ting Wang, Xiao-Ming Xu
With quark-antiquark annihilation and creation in the first Born approximation, we study the reactions: $K \bar {K} \to K \bar {K}^\ast, ~K \bar{K} \to K^* \bar{K}, ~πK \to πK^\ast…
Cross sections for inelastic meson-meson scattering
Kai Yang, Xiao-Ming Xu, H. J. Weber
We study two kinds of inelastic meson-meson scattering. The first kind is inelastic 2-to-2 meson-meson scattering that is governed by quark interchange as well as quark-antiquark a…
Dissociation of large transverse-momentum prompt J/psi produced in Pb-Pb collisions at the LHC
Shi-Tao Ji, Xiao-Ming Xu, H. J. Weber
A collision of a light meson and a charmonium produces quarks and antiquarks first, then the charm quark fragments into a charmed hadron, and finally three or more mesons are produ…
Cross sections for inelastic meson-meson scattering via quark-antiquark annihilation
Zhen-Yu Shen, Xiao-Ming Xu, H. J. Weber
We study inelastic meson-meson scattering that is governed by quark-antiquark annihilation and creation involving a quark and an antiquark annihilating into a gluon, and subsequent…
Temperature-dependent cross sections for charmonium dissociation in collisions with kaons and eta mesons in hadronic matter
Shi-Tao Ji, Zhen-Yu Shen, Xiao-Ming Xu
We study kaon-charmonium and eta-charmonium dissociation reactions. The K-charmonium dissociation and the eta-charmonium dissociation include 27 reactions. Cross sections for the r…
Relation between quark-antiquark potential and quark-antiquark free energy in hadronic matter
Zhen-Yu Shen, Xiao-Ming Xu
In the high-temperature quark-gluon plasma and its subsequent hadronic matter created in a high-energy nucleus-nucleus collision, the quark-antiquark potential depends on the tempe…
Early thermalization of quark-gluon matter with the elastic scattering of ggq and ggqbar
Xiao-Ming Xu, Zhen-Yu Shen, Zhi-Cheng Ye +1
Elastic gluon-gluon-quark (gluon-gluon-antiquark) scattering is studied in perturbative QCD with 123 Feynman diagrams at the tree level. Individually squared amplitudes and interfe…
Early thermalization of quark-gluon matter by elastic 3-to-3 scattering
Xiao-Ming Xu
The early thermalization is crucial to the quark-gluon plasma as a perfect liquid and results from many-body scattering. We calculate squared amplitudes for elastic parton-parton-p…
Temperature-dependent Cross Sections for Charmonium Dissociation in Collisions with Pions and Rhos in Hadronic Matter
Jie Zhou, Xiao-Ming Xu
Meson-charmonium dissociation reactions governed by the quark interchange are studied with temperature-dependent quark potentials. Quark-antiquark relative-motion wave functions an…
Thermalization of quark-gluon matter with the elastic scattering of gqq, gqqbar and gqbarqbar
Xiao-Ming Xu, Li-Sha Xu
The elastic scattering of gqq, gqqbar and gqbarqbar and the thermalization of quark-gluon matter are studied. According to Feynman diagrams at the tree level, squared amplitudes fo…
Recall a Prediction on J/psi Nuclear Modification Factor for STAR Measurements
Xiao-Ming Xu
STAR collaboration has offered eminent nuclear modification factor of J/psi at high p_T and midrapidity produced in Cu-Cu collisions at \sqrt {s_{NN}}= 200 GeV. Recalling a predict…
J/psi Production in an Equilibrating Partonic System
Xiao-Ming xu
Any color singlet or octet ccbar pair is created at short distances and then expands to a full size of J/psi. Such a dynamical evolution process is included here in calculations fo…
Triple-quark elastic scatterings and thermalization
Xiao-Ming Xu, Peng Ru, H. J. Weber
Triple-quark elastic scattering amplitudes from perturbative QCD are first calculated and then used in a transport equation to study the thermalization of quark matter. By examinin…
Dependence of Electromagnetic Form Factors of Hadrons on Light Cone Frames
H. J. Weber, Xiaoming Xu
A constituent quark model is developed for an arbitrary light- cone direction ω. Form factors are obtained from free one-body electromagnetic current matrix elements. They are foun…
Loop Expansion in Light-Cone Field Theory
Xiaoming Xu, H. J. Weber
A loop expansion is implemented based on the path integral quantization of the light-cone field theory in 1+1 dimensions. The effective potential as a function of the zero-mo…