2024 (source code)
= 2024
{scope}
{title2=A15272W1}
Source PDF: https://mmathphys.physics.ox.ac.uk/sites/g/files/vzsiac2991/files/mmathphys/documents/media/aqft_for_particle_physics_2024.pdf
Solutions to all seventeen lettered parts. Use <natural units>, the <Minkowski metric> $g_{\mu\nu}=\operatorname{diag}(1,-1,-1,-1)$, <Feynman slash notation> $\not p=\gamma^\mu p_\mu$, and the <Feynman i-epsilon prescription> in internal <propagators>. Define the <scattering amplitude> by $S_{fi}=\delta_{fi}+i(2\pi)^4\delta^{(4)}(p_f-p_i)\mathcal M_{fi}$. The <gauge covariant derivative> convention in question 3 is specified there to match the printed three-boson <Feynman rule>.
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