Product of the @Q04991@ by the @A00038@, \(\sigma \ \varPhi \).
SI unit is \(\text{m}^{2}\); commonly expressed in \(\text{cm}^{2}\).
Source: PAC, 2007,
79, 293. (
Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 318 [
Terms] [
Paper]