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Uniqueness of a recently proposed U(1) gauge extension | Ernest Ma
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6 Mar 2002 | Subject: | hep-ph | Affiliation: | UC Riverside | Abstract: | Consider the addition of a right-handed SU(2) fermion multiplet (with neither color nor hypercharge) to each family of quarks and leptons. The resultant theory admits a new U(1) gauge symmetry only if the additional multiplet is a singlet $N_R$, which corresponds to the well-known case of $U(1)_{B-L}$, or a triplet $(Sigma^+, Sigma^0, Sigma^-)$, which corresponds to the proposal of hep-ph/0112232. This disproves the assertion that the latter is somehow a ``trivial’’ or ``expected’’ discovery. | Source: | arXiv, hep-ph/0203068 | Services: | Forum | Review | PDF | Favorites |
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