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An Entity of Type : http://qudt.org/schema/qudt/Unit, within Data Space : foodie-cloud.org, foodie-cloud.org associated with source document(s)

AttributesValues
type
label
  • Barn (en)
isDefinedBy
Description
  • A barn (symbol b) is a unit of area. Originally used in nuclear physics for expressing the cross sectional area of nuclei and nuclear reactions, today it is used in all fields of high energy physics to express the cross sections of any scattering process, and is best understood as a measure of the probability of interaction between small particles. A barn is defined as \(10^{-28} m^2 (100 fm^2)\) and is approximately the cross sectional area of a uranium nucleus. The barn is also the unit of area used in nuclear quadrupole resonance and nuclear magnetic resonance to quantify the interaction of a nucleus with an electric field gradient. While the barn is not an SI unit, it is accepted for use with the SI due to its continued use in particle physics. (http://qudt.org/schema/qudt/LatexString)
http://qudt.org/schema/qudt/dbpediaMatch
http://qudt.org/sc...asDimensionVector
http://qudt.org/sc...ormativeReference
http://qudt.org/schema/qudt/symbol
  • b
has quantity kind
http://qudt.org/sc...versionMultiplier
http://qudt.org/schema/qudt/iec61360Code
  • 0112/2///62720#UAB297
http://qudt.org/schema/qudt/omUnit
http://qudt.org/schema/qudt/ucumCode
http://qudt.org/schema/qudt/udunitsCode
  • b
http://qudt.org/sc...t/uneceCommonCode
  • A14
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