Composite Quarks and Leptons Generated by Supersymmetric Quantum Chromodynamics with N_<"color"><N_<"flavor">
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概要
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Quarks and leptons together with other exotic fermions are regarded as quasi Nambu-Goldstone fermions and chiral fermions generated by Supersymmetric quantum chromodynamics (SQCD) with N_<"color">(=N)<N_<"flavor">(=M). A mass protection symmetry, H, contains a chiral SU(M-N) [or SU(M-N+1)] symmetry as well as chiral U(1) symmetry supported "algebraically" by complementarity and "dynamically" by effective superpotential. The successive SUSY-breaking is constrained by the remnant of the QCD dynamics, i.e., the complete breakdown of chiral symmetries in H. The large mass splitting between J=1/2 and J=0 is shown to arise and masses for light composite fermions are specified by the SUSY-breaking scale M_<ss> and the confinement scale ∧_<sc>: M_<ss>(M_<ss>/∧_<sc>)-<(M-N)/2k< for M_<ss>≪∧_<sc>, where 2k≦M-N is imposed by the consistency with the anomaly-matching.
- 理論物理学刊行会の論文
- 1987-12-25
著者
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Yasue Masaki
Institute For Nuclear Study University Of Tokyo
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YASUE Masaki
Institute for Nuclear Study, University of Tokyo
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YASUE Masaki
Institute for Naclear Study, University of Tokyo
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