Finite Lifetime Effects in Top Quark Pair Production at ThresholdCuvillier Verlag, 2008 - 139 pagina's |
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Finite Lifetime Effects in Top Quark Pair Production at Threshold Christoph Reißer Geen voorbeeld beschikbaar - 2008 |
Veelvoorkomende woorden en zinsdelen
A. H. Hoang amplitude arsinh(1 bilinear bilinear operators Bo(m² bW+bW Cborn Cint computation contains contributions corresponds Coulomb potential cross section prediction curve Diff divergences effective theory electroweak effects fermion finite forward scattering operators full theory given in Eq gluons graphs Green function hard scale Higgs boson imaginary interference effects invariant masses Lagrangian leading Lett logarithms N³LO NNLL order NNLO non-relativistic NRQCD Nucl numerical obtained one-loop diagrams operator product expansion optical theorem parameter phase space corrections phase space cuts phase space effects phase space integration photon Phys positron power counting propagators renormalization group S-wave self-energy shown in Fig Standard Model subleading Summed Coul t₁ threshold cross section top and antitop top mass top quark tt production ultrasoft vertex correction Wilson coefficients Z boson Γε πα