strangeness

noun 3

Definitions

noun

1

The state or quality of being strange, odd or weird.

2

The product or result of being strange.

3

One of the quantum numbers of subatomic particles, depending upon the relative number of strange quarks and anti-strange quarks.

Mesons which combine the charmed quark with the up or down antiquarks are denoted the D mesons. These mesons carry explicit charm (i.e. have a non-zero charm quantum number), just as the K mesons carry strangeness.

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