Summary
The chiral extension of the minimal standard model makes quarks with two chiralities present parallely. Some interesting questions, such as the possibility that leptons are made of additional leptonic quarks and the proton decay are discussed.
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Liu, YY., Jiang, Xd. & Zhou, Jg. Chiral extension of the standard model. Nuov Cim A 108, 167–174 (1995). https://doi.org/10.1007/BF02816737
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DOI: https://doi.org/10.1007/BF02816737