- #1

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Hello there.

I'm attending an introductory course in particle physics. We're supposed to know how to draw first-order tree level Feynman diagrams for simple reactions.

I've been struggling to understand the method I should follow in order to correctly draw them.

As I understand it now, we can combine the elementary vertexes of each interaction to get any possible diagram.

Starting from what I've learned by reading Griffiths' book and from my classes, I tried to write some notes about this, and found out that I have some unanswered questions about it.

I attached my pdf file with my notes, with the questions clearly identified in boxes - everything inside a box is a question.

If you could please answer some of those and perhaps see if I got the concepts right, I'd be very grateful.

I'm attending an introductory course in particle physics. We're supposed to know how to draw first-order tree level Feynman diagrams for simple reactions.

I've been struggling to understand the method I should follow in order to correctly draw them.

As I understand it now, we can combine the elementary vertexes of each interaction to get any possible diagram.

Starting from what I've learned by reading Griffiths' book and from my classes, I tried to write some notes about this, and found out that I have some unanswered questions about it.

I attached my pdf file with my notes, with the questions clearly identified in boxes - everything inside a box is a question.

If you could please answer some of those and perhaps see if I got the concepts right, I'd be very grateful.