China Center of Advanced Science and Technology

output

19922026

most citedHeavy quarkonium: progress, puzzles, and opportunities

1.8k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 1997Show all

77 papers · 1 filter

solv-int1997★ 4 cited

Boundary K-matrices and the Lax pair for 1D open XYZ spin-chain

Guo-xing Ju, Shi-kun Wang, Ke Wu +1

We analysis the symmetries of the reflection equation for open $X Y Z$ model and find their solutions $K^{\pm}$ case by case. In the general open boundary conditions, the Lax pair fo…

cond-mat.stat-mech1997★ 20 cited

Spatiotemporal dynamics of discrete sine-Gordon lattices with sinusoidal couplings

Zhigang Zheng, Bambi Hu, Gang Hu

The spatiotemporal dynamics of a damped sine-Gordon chain with sinusoidal nearest-neighbor couplings driven by a constant uniform force are discussed. The velocity characteristics…

hep-ph1997★ 13 cited

Squarks Loop Corrections to the Charged Higgs Boson Pair Production in Photon-Photon Collisions

Shou Hua Zhu, Chong Sheng Li, Chong Shou Gao

We calculate the squarks one-loop corrections to the cross sections of the chared Higgs boson pair production in photon-photon collisions in the minimal supersymmetric extension of…

astro-ph1997★ 65 cited

Diverse Temporal Properties of GRB Afterglow

D. M. Wei, T. Lu

The detection of delayed X-ray, optical and radio emission, "afterglow", associated with $γ$ -ray bursts (GRBs) is consistent with fireball models, where the emission are produced b…

q-alg1997★ 1 cited

A one-dimensional many-body integrable model from $Z_{n}$ Belavin model with open boundary conditions

Heng Fan, Bo-Yu Hou, Guang-Liang Li +2

We use factorized $L$ operator to construct an integrable model with open boundary conditions. By taking trigonometic limit( $τ \to - 1 \infty$ ) and scaling limit( $ω \to 0$ ), we…

hep-lat1997★ 3 cited

Improving the Lattice QCD Hamiltonian

Xiang-Qian Luo, Shuo-Hong Guo, Helmut Kroeger +1

Improvement of the Hamiltonian in lattice gauge theory is considered. We give explicit expressions for classical improvement and discuss also quantum corrections.

hep-lat1997★ 1 cited

Method for Extracting the Glueball Wave Function

J. Liu, X. Q. Luo, X. Fang +4

We describe a nonperturbative method for calculating the QCD vacuum and glueball wave functions, based on an eigenvalue equation approach to Hamiltonian lattice gauge theory. There…

hep-lat1997★ 1 cited

Simulating the vacuum properties of QCD with dynamical quarks

Xiang-Qian Luo

The vacuum properties of lattice QCD with staggered quarks are investigated by an efficient simulation method. I present data for the quark condensate with flavor number $N_f=0, ~…

cond-mat1997★ 1 cited

Bethe ansatz for the one-dimensional small-polaron model with open boundary conditions

Heng Fan, Xi-Wen Guan

The one-dimensional small-polaron model with open boundary conditions is considered in the framework of the quantum inverse scattering method. The spin model which is equivalent to…

hep-ph1997★ 31 cited

Large corrections to asymptotic $F_{η_{c} γ}$ and $F_{η_{b} γ}$ in the light-cone perturbative QCD

Fu-Guang Cao, Tao Huang

The large- $Q^{2}$ behavior of $η_{c}$ - $γ$ and $η_{b}$ - $γ$ transition form factors, $F_{η_{c} γ} (Q^{2})$ and $F_{η_{b} γ} (Q^{2})$ are analyzed in the framework of light-cone perturbative QCD with t…

hep-ph1997★ 14 cited

New Sum Rules for Nucleon Tensor Charges

Bo-Qiang Ma, Ivan Schmidt

Two new sum rules for the quark tensor charges of the nucleon are proposed, based on a relation connecting the quark transversity distributions to the quark helicity distributions…

solv-int1997★ 1 cited

The nondynamical r-matrix structure of the elliptic Calogero-Moser model

Bo-yu Hou, Wen-li Yang

In this paper, we construct a new Lax operator for the elliptic Calogero-Moser model with N=2. The nondynamical r-matrix structure of this Lax operator is also studied . The relati…

hep-ph1997★ 17 cited

Probing top quark decay into light stop in the supersymmetric standard model at the upgraded Tevatron

M. Hosch, R. J. Oakes, K. Whisnant +3

We investigate the possibility of observing the exotic decay mode of the top quark into the lightest stop ( $t ~_{1}$ ) and neutralino ( $χ ~_{1}^{0}$ ) in the minimal supersymmetri…

hep-ph1997

Reexamination of the resonance contributions in B->X_s e^+ e^-

Dongsheng Du, Hongying Jin, Yadong Yang

With help of the recent developments in the heavy quarkonium physics, we reexamine the long distance(LD) effects in \Bsee dominantly from the charmonium resonances $J /Ψ$ and $Ψ^{\p…

hep-ph1997★ 5 cited

Production of neutral scalar Higgs bosons at $e γ$ colliders

Yi Liao, Wayne W. Repko

We study the production of neutral scalar (CP even) Higgs bosons in the process $e γ \to e h$ by including supersymmetric corrections to the dominant $t$ -channel photon exchange ampl…

hep-ph1997★ 51 cited

A New Mechanism for $B^{\pm} \to η^{'} K^{\pm}$ in Perturbative QCD

Dongsheng Du, C. S. Kim, Yadong Yang

We present a new mechanism for $B^{\pm} \to η^{'} K^{\pm}$ , and analyze it strictly within perturbative QCD. We find that such a new mechanism may dominate non-leptonic $B$ -decays to l…

hep-ph1997★ 2 cited

Twist-3 contribution to the pion electromagnetic form factor

Fu-Guang Cao, Yuan-Ben Dai, Chao-Shang Huang

Non-leading contribution to the pion electromagnetic form factor which comes from the pion twist-3 wave function is analyzed in the modified hard scattering approach (MHSA) propose…

q-alg1997★ 4 cited

Dynamically twisted algebra $A_{q, p; π^} (g l_{2}^)$ as current algebra generalizing screening currents of q-deformed Virasoro algebra

B. Y. Hou, W. L. Yang

In this paper, we propose an elliptic algebra $A_{q, p; π^} (g l_{2}^)$ which is based on the relations $R LL = LL R^{*}$ , where $R$ and $R^{*}$ are the dynamical R-maxtrices of $A^{…

hep-ph1997★ 1 cited

Double $Q^{2}$ -rescaling model and the nuclear effect of the parton distribution functions

Zhenmin He, Xiaoxia Yao, Chungui Duan +2

In order to overcome the shortcoming of nonconservation of nuclear momentum existing in the original $Q^{2}$ -rescaling model(O $Q^{2}$ RM) and avoid introducing nuclear shadowing factor,…

q-alg1997★ 5 cited

The Algebraic Structure of the $g l (n ∣ m)$ Color Calogero-Sutherland Models

Guo-xing Ju, Shi-kun Wang, Ke Wu

We extend the study on the algebraic structure of the $s u (n)$ color Calogero-Sutherland models to the case of $g l (n ∣ m)$ color CS model and show that the generators of the super-Yan…

cond-mat.mes-hall1997★ 18 cited

Zener Transitions Between Dissipative Bloch Bands

Xian-Geng Zhao, W. -X. Yan, Daniel W. Hone

Within a two-band tight binding model, we investigate the dynamics of electrons with Markoffian dephasing under the influence of static electric fields. With the help of both numer…

hep-ph1997★ 12 cited

Lightest Neutral Higgs Pair Production in Photon-photon Collisions in the Minimal Supersymmetric Standard Model

Shou Hua Zhu, Chong Sheng Li, Chong Shou Gao

The cross sections for the lightest neutral Higgs pair production at the one-loop level in photon-photon collisions are calculated in the Minimal Supersymmetric Standard Model(MSSM…

hep-ph1997★ 83 cited

The Quark Spin Distributions of the Nucleon

Bo-Qiang Ma, Ivan Schmidt, Jacques Soffer

The quark helicity measured in polarized deep inelastic scattering is different from the quark spin in the rest frame of the nucleon. We point out that the quark spin distributions…