Fast Fission Factor
type: QuantityKind
description: "Fast Fission Factor" in an infinite medium, is the ratio of the mean number of neutrons produced by fission due to neutrons of all energies to the mean number of neutrons produced by fissions due to thermal neutrons only.
applicable unit: UNITLESS
has dimension vector: A0E0L0I0M0H0T0D1
informative reference: https://en.wikipedia.org/wiki/Four_factor_formula
iso normative reference: http://www.iso.org/iso/catalogue_detail
latex symbol: $\varphi$
plain text description: "Fast Fission Factor" in an infinite medium, is the ratio of the mean number of neutrons produced by fission due to neutrons of all energies to the mean number of neutrons produced by fissions due to thermal neutrons only.
wikidata match: Q99197493
comment: Applicable units are those of quantitykind:FastFissionFactor