2 papers
hep-lat2005
Electromagnetic vertex function of the pion at T > 0
J. van der heide, J. H. Koch, E. Laermann
The matrix element of the electromagnetic current between pion states is calculated in quenched lattice QCD at a temperature of . The nonperturbatively improved Sheik…
hep-ph2000
Helicity Amplitudes for Single-Top Production
J. van der Heide, E. Laenen, L. Phaf +1
Single top quark production at hadron colliders allows a direct measurement of the top quark charged current coupling. We present the complete tree-level helicity amplitudes for fo…