Lecture 20

8 maio 2018, 10:00 • Jorge Manuel Rodrigues Crispim Romão

Chapter 7 Radiative Corrections
1-loop renormalization: Self-energy of the photon (vacuum polarization). Dimensional regularization. Feynman parameterization. Wick rotation. Divergences as poles of the Gamma function. Pags. 269-274

Lecture 19

3 maio 2018, 10:00 • Jorge Manuel Rodrigues Crispim Romão

Scattering electron-positron -> muon-antimuon in the Standard Model. The decay of the muon. Pags. 237-245.
END of Chapter 6 .

Lecture 18

26 abril 2018, 10:00 • Jorge Manuel Rodrigues Crispim Romão

Chapter 6 Simple Examples in the Standard Model 
Introduction to the Standard Model of ElectroWeak Interactions. Propagators, charged and neutral currents. decay width of the Z0 into fermions. The helicity amplitudes method for the decay of the Z0 into fermions: cases with and without mass. Pags. 227-237

Lecture 17

24 abril 2018, 10:00 • Jorge Manuel Rodrigues Crispim Romão

Lecture on software programs used to make calculations in field theory: FeynCalc, calchep and qgraf (using the Bhabha scattering in QED as an example). 
END of Chapter 5 .

Lecture 16

19 abril 2018, 10:00 • Jorge Manuel Rodrigues Crispim Romão