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8 papers · 2 filters
Decay Constants of Pseudoscalar Mesons in Bethe-Salpeter Framework with Generalized Structure of Hadron-Quark Vertex
Shashank Bhatnagar, Shi-Yuan Li
We employ the framework of Bethe-Salpeter equation under Covariant Instantaneous Ansatz to study the leptonic decays of pseudoscalar mesons. The Dirac structure of hadron-quark ver…
QCD corrections to single slepton production at hadron colliders
Yu-Qi Chen, Tao Han, Zong-Guo Si
We evaluate the cross section for single slepton production at hadron colliders in supersymmetric theories with R-parity violating interactions to the next-to-leading order in QCD.…
Weak interaction corrections to hadronic top quark pair production
Werner Bernreuther, Michael Fuecker, Zong-Guo Si
In this paper we determine the weak-interaction corrections of order to hadronic top-quark pair production. First we compute the one-loop weak corrections to pr…
Quantum chromodynamics quark benzene
Jialun Ping, Chengrong Deng, Fan Wang +1
A six-quark state with the benzene-like structure is proposed and studied based on color string model. The calculation with the quadratic confinement show that such structure has t…
Azimuthal and single spin asymmetry in deep-inelastic lepton-nucleon scattering
Zuo-tang Liang, Xin-Nian Wang
We derive a general framework for describing semi-inclusive deep-inelastic lepton-nucleon scattering in terms of the unintegrated parton distributions and other higher twist parton…
NRQCD Factorization for Twist-2 Light-Cone Wave-Functions of Charmonia
J. P. Ma, Z. G. Si
We show that the twist-2 light-cone wave-functions of eta_c and J/ψcan be factorized with nonrelativistic QCD(NRQCD) at one-loop level, where the nonperturbative effects are repres…