Isospin
· The Nucleon Doublet
un
seel
.com · SU(2) symmetry · Proton ⇄ Neutron · Heisenberg 1932
State
nucleon
I₃
+1/2
Q
+1 e
mode
standby
Proton (I₃ = +½)
Neutron (I₃ = −½)
Pion triplet (I = 1)
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