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- Barn_(unit) abstract "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 m2 (100 fm2) 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. It is one of the very few units that is accepted for use with SI units, and one of the most recent units to have been established (cf. the knot and the bar, other non-SI units acceptable in limited circumstances).".
- Barn_(unit) wikiPageExternalLink B00598.html.
- Barn_(unit) wikiPageID "71469".
- Barn_(unit) wikiPageRevisionID "604491866".
- Barn_(unit) hasPhotoCollection Barn_(unit).
- Barn_(unit) subject Category:Non-SI_metric_units.
- Barn_(unit) subject Category:Particle_physics.
- Barn_(unit) subject Category:Units_of_area.
- Barn_(unit) type Abstraction100002137.
- Barn_(unit) type DefiniteQuantity113576101.
- Barn_(unit) type Measure100033615.
- Barn_(unit) type MetricUnit113604275.
- Barn_(unit) type Non-SIMetricUnits.
- Barn_(unit) type UnitOfMeasurement113583724.
- Barn_(unit) type UnitsOfArea.
- Barn_(unit) comment "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 m2 (100 fm2) and is approximately the cross sectional area of a uranium nucleus.".
- Barn_(unit) label "Barn (unit)".
- Barn_(unit) label "Barn".
- Barn_(unit) label "Barn".
- Barn_(unit) label "Barn".
- Barn_(unit) label "Barn".
- Barn_(unit) label "Barn".
- Barn_(unit) label "Barn".
- Barn_(unit) label "Barn".
- Barn_(unit) label "Барн".
- Barn_(unit) label "بارن (وحدة)".
- Barn_(unit) label "バーン (単位)".
- Barn_(unit) label "靶恩".
- Barn_(unit) sameAs Barn.
- Barn_(unit) sameAs Barn.
- Barn_(unit) sameAs Barn.
- Barn_(unit) sameAs Barn.
- Barn_(unit) sameAs Barn.
- Barn_(unit) sameAs バーン_(単位).
- Barn_(unit) sameAs 반_(단위).
- Barn_(unit) sameAs Barn.
- Barn_(unit) sameAs Barn.
- Barn_(unit) sameAs Barn.
- Barn_(unit) sameAs m.0jdpt.
- Barn_(unit) sameAs Q209351.
- Barn_(unit) sameAs Q209351.
- Barn_(unit) sameAs Barn_(unit).
- Barn_(unit) wasDerivedFrom Barn_(unit)?oldid=604491866.
- Barn_(unit) isPrimaryTopicOf Barn_(unit).