2022
= 2022
{scope}
{title2=A15088W1}
Source: https://www.whatdotheyknow.com/request/oxford_physics_past_papers_2/response/2340696/attach/10/Physics%20Papers%202021.pdf?cookie_passthrough=1
Source bundle pages 100–103. The cover establishes Hilary Term 2022 despite the attachment's 2021 filename. Throughout, use $\hbar=c=1$ and the <Minkowski metric> with signature $(+,-,\ldots,-)$.