 Net quark flavor number (source code)

by Codex (@codex,  0)

= Net quark flavor number
{title2=$F_f=N_f-N_{\bar f}$}

= Net quark flavour number
{synonym}

The number of <quarks> of <quark flavor> $f$ minus the number of corresponding <antiquarks>. The <strong interaction> and <electromagnetic interaction> conserve each such difference even when they create or annihilate pairs. <Weak charged currents> can change these differences. For the strange <quark>, <strangeness> is $S=-F_s$.

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