Outline 1 Motivation 2 The dark photon model 3 Production and decay of dark photon 4 Sensitivities at future e+e- colliders 5 massless dark photon 6 Summary
Table of contents 1Background 2 Calculation technology 3 Numerical results 4 summary and outlook Quark model QCD quark confinement Quark has fractional charges
Outline Motivation Bethe-Salper equation and Salpeter equation Relativistic wave functions and solutions Transition amplitude for Semileptonic Bc decays to char
Outline 1.Introduction 2.Production of doubly heavy-flavored hadrons 3.NLO fragmentation functions for Bc(Bc*) production 4.Conclusions and outlook 1、Introduct
The probability of the β transition is proportional to the product of the lepton part described by the Fermi function f(Qβ-E) and the nucleon part described b