
Here, we have a highly gifted researcher
in the field of PARTICLE physics...
The Big Bang Theory Season 3, Episode 15

each vibration is
a different PARTICLE.
The Big Bang Theory Season 11, Episode 13

You'd be surprised how many
PARTICLE physicists have a whimsical side.
The Big Bang Theory Season 2, Episode 13

of the Higgs boson PARTICLE,
and you said,
The Big Bang Theory Season 5, Episode 21

Here's where we derived the mass
of the dark-matter PARTICLE.
The Big Bang Theory Season 3, Episode 4