Prout (unit)
Obsolete unit of energy
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The Prout is an obsolete unit of energy, whose value is:[1]
This is equal to one twelfth of the binding energy of the deuteron.[2]
History
The "Prout" is a unit of nuclear binding energy, and is 1/12 the binding energy of the deuteron, or 185.5 keV.[1]
This unit is named after William Prout, who first proposed a quantum of mass.[3]
"Proutons" was an early candidate for the name of what are now called protons.[citation needed]
This unit was used in the mid-19th century by several physicists, including Marignac, who first proposed it in 1844.[4]
