#differential cross section

[peeterjoot]

PHY2403H Quantum Field Theory. Lecture 23: QED and QCD interaction Lagrangian, Feynman propagator and rules for Fermions, hadron pair production, scattering cross section, quark pair production. Taught by Prof. Erich Poppitz

PHY2403H Quantum Field Theory. Lecture 23: QED and QCD interaction Lagrangian, Feynman propagator and rules for Fermions, hadron pair production, scattering cross section, quark pair production. Taught by Prof. Erich Poppitz

Here is a link to [a PDF with my notes for the final QFT I lecture.] That lecture followed [1] section 5.1 fairly closely (filling in some details, leaving out some others.)

This lecture

Introduced an interaction Lagrangian with QED and QCD interaction terms \begin{equation*} \LL_{\text{QED}} = – \inv{4} F_{\mu\nu} F^{\mu\nu} + \overline{\Psi}_e \lr{ i \gamma^\mu \partial_\mu – m } \Psi_e – e…

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[peeterjoot]

PHY2403H Quantum Field Theory. Lecture 16: Differential cross section, scattering, pair production, transition amplitude, decay rate, S-matrix, connected and amputated diagrams, vacuum fluctuation, symmetry coefficient. Taught by Prof. Erich Poppitz Here are my , which are posted out of sequence and only in PDF format this time.

[peeterjoot]

PHY2403H Quantum Field Theory. Lecture 15b: Wick’s theorem, vacuum expectation, Feynman diagrams, phi^4 interaction, tree level diagrams, scattering, cross section, differential cross section. Taught by Prof. Erich Poppitz . Because the simplewick latex package is required to format these meaningfully, and that's not available in wordpress latex, I'm not going to attempt to make a web viewable version in addition to the pdf.