pair creation vs pair production

pair creation and pair production both are nouns.

Word	Noun	Adjective	Verb	Adverb
pair creation	Yes	No	No	No
pair production	Yes	No	No	No

As nouns, pair creation and pair production are synonyms defined as:

pair creation and pair production: the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus

Other synonyms of pair creation include pair formation.

pair creation (noun)	pair production (noun)
the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus	the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus