isovector
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Isovector — In particle physics, isovector refers to the vector transformation of a particle under the SU(2) group of isospin. An isovector state is a triplet state with total isospin 1, with the third component of isospin either 1, 0, or 1, much like a… … Wikipedia
Exotic meson — Non quark model mesons include #exotic mesons, which have quantum numbers not possible for mesons in the quark model; #glueballs or gluonium, which have no valence quarks at all; #tetraquarks, which have two valence quark antiquark pairs; and… … Wikipedia
Isoscalar — In particle physics, isoscalar refers to the scalar transformation of a particle or field under the SU(2) group of isospin. It is a singlet state, with total Isospin 0 and the third component of Isospin 0, much like a singlet state in a 2… … Wikipedia
