Assertion: cross section | /r/HasProperty | equal
Facets:
value: to a numerical factor
type: OTHER
Source sentences:
text: …cross section is called the Thomson cross section, symbolized by the Greek letter sigma with subscript zero, σ 0 , and is equal to a numerical factor times the square of the term, electric charge squared divided by electron rest energy, or σ 0 = (8π/3) (e2/mc2)2.
text: This cross section is called the Thomson cross section, symbolized by the Greek letter sigma with subscript zero, σ 0 , and is equal to a numerical factor times the square of the term, electric charge squared divided by electron rest energy, or σ 0 = (8π/3) (e2/mc2)2.