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

"Higgs boson PARTICLE."
How could you not get that?
The Big Bang Theory Season 3, Episode 13

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

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