In particle physics, isovector refers to the vector transformation of a particle under the SU(2) group of isospin.[1] 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 triplet state in the two-particle addition of Spin.
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edit- ^ Bracco, A.; Lanza, E. G.; Tamii, A. (1 May 2019). "Isoscalar and isovector dipole excitations: Nuclear properties from low-lying states and from the isovector giant dipole resonance". Progress in Particle and Nuclear Physics. 106: 360–433. Bibcode:2019PrPNP.106..360B. doi:10.1016/j.ppnp.2019.02.001. hdl:2434/716331. ISSN 0146-6410. S2CID 127928945.
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