
to isolate the Higgs
boson PARTICLE.
The Big Bang Theory Season 5, Episode 4

...of a subatomic PARTICLE
called the Higgs boson.
The Big Bang Theory Season 6, Episode 3

Senior theoretical PARTICLE physicist
at CaITech, focusing on M Theory.
The Big Bang Theory Season 3, Episode 14

But Penny has no interest
in subatomic PARTICLE research.
The Big Bang Theory Season 3, Episode 15

inventing a new
dark matter PARTICLE
The Big Bang Theory Season 11, Episode 13