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

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

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

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

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