Barn
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Unit used in nuclear physics to indicate probability
of a reaction between nuclear particles and atomic nuclei or even other
nuclear particles. The dimension of the Barn is cross sectional area
and 1 Barn is equal to 10-28 m². The ‘physical
cross section area’ of the nucleus of an atom is approximately
1 Barn but depending on the reaction involved the actual ‘reaction
cross section area’ can vary over many decades of Barns in size
and are very dependent on particle energy.
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ENS conferences |
TopFuel 2012
2 - 6 Sept. 2012 in Manchester, UK
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ENC 2012
9 - 12 Dec. 2012 in Manchester, UK |
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