Wu-Sheng Dai

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This paper seeks to construct a representation of the algebra of angular momentum (SU(2) algebra) in terms of the operator relations corresponding to Gentile statistics in which one quantum state can be occupied by n particles. First, we present an operator realization of Gentile statistics. Then, we propose a representation of angular momenta. The result(More)
The difference of τ B and τ Λb indicates the role of the light flavors. We calculate the lifetimes of B-meson and Λb based on the weak effective Hamiltonian while assuming the heavy baryon is constructed by a heavy b-quark and a diquark containing two light quarks. In this scenario, we use the information of the measured ratio τ Λ b /τ B as input to predict(More)
In the framework of QCD at finite temperature we have obtained dissipative terms for the effective potential between q and q̄ which would partly explain the J/ψ suppression in the Quark Gluon Plasma (QGP). The derivation of the dissipative potential for QGP is presented and the case for Hadron Matter (HM) is briefly discussed. The suppression effects are(More)
In this paper we calculate some exact solutions of the grand partition functions for quantum gases in confined space, such as ideal gases in two- and three-dimensional boxes, in tubes, in annular containers, on the lateral surface of cylinders, and photon gases in three-dimensional boxes. Based on these exact solutions, which, of course, contain the(More)
The two heavy quarks in a baryon which contains two heavy quarks and a light one, can constitute a scalar or axial vector diquark. We study electromagnetic radiations of such baryons, (i) Ξ(bc)1 → Ξ(bc)0 + γ, (ii) Ξ∗(bc)1 → Ξ(bc)0 + γ, (iii) Ξ ∗∗ (bc)0 (1/2, l = 1) → Ξ(bc)0 + γ, (iv) Ξ∗∗ (bc)0(3/2, l = 1) → Ξ(bc)0 + γ and (v) Ξ ∗∗ (bc)0 (3/2, l = 2) →(More)