isospin

Noun

Meaning

English Wikipedia has an article on:isospinWikipedia
isospin (countable and uncountable, plural isospins)

(physics) A quantum number or symmetry related to the strong interaction.

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Examples

Approximated wavefunction of the deuteron The deuteron wavefunction must be antisymmetric if the isospin representation is used (since a proton and a neutron are not identical particles, the wavefunction need not be antisymmetric in general). Source: Internet

For resonances with 3 2 isospin, see the Delta baryon article. Source: Internet

Flavor quantum numbers ( isospin (I 3 ), charm (C), strangeness (S, not to be confused with spin), topness (T), and bottomness (B′)) are assigned to certain quark flavors, and denote qualities of quark-based systems and hadrons. Source: Internet

For the purpose of nomenclature, the isospin projection I 3 isn't considered a flavour quantum number. Source: Internet

In the "isospin picture", the three pions and three rhos were thought to be the different states of two particles. Source: Internet

In this case, the exchange of the two nucleons will multiply the deuterium wavefunction by (−1) from isospin exchange, (+1) from spin exchange and (+1) from parity (location exchange), for a total of (−1) as needed for antisymmetry. Source: Internet

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