Decay: The Large Hadron Collider Zombie Film (2012)

A group of twenty-something PhD students employed by CERN find themselves in an emergency situation while babysitting the Large Hadron Collider (LHC). After a mishap with a shutdown of the collider, the maintenance crew are zombified and the students must evade them while trying to find a way out.

H2ZZ Productions: https://www.decayfilm.com/pages/credits.html

Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0): https://creativecommons.org/licenses/by-nc/3.0/