Equation 46 · Part 1 · The Valley of Stability Is a Fitness Landscape
Symbol Z
What this part means
Z is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Its job in the formula
Z is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol Z→Article meaning
The passage around this formula
…from an otherwise identical isotope — which drops abruptly immediately after a magic number is crossed, the nuclear analogue of a fitness cliff rather than a gentle slope; a doubly magic nucleus, closed in both N and Z simultaneously, sits at the intersection of two such cliffs and is correspondingly the most sharply peaked point in its neighborhood on the whole chart.
Learn the underlying idea
A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.
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Sources cited in the surrounding passage
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