CKM matrix and FCNC suppression in SO(5)\times U(1) \times SU(3)SO(5)×U(1)×SU(3) gauge-Higgs unification
- NázevTitle
- CKM matrix and FCNC suppression in SO(5)\times U(1) \times SU(3)SO(5)×U(1)×SU(3) gauge-Higgs unificationCKM matrix and FCNC suppression in SO(5)\times U(1) \times SU(3)SO(5)×U(1)×SU(3) gauge-Higgs unification
- Druh výsledkuResult type
- Článek v časopiseJournal article
- AutořiAuthors
- S. Funatsu, H. Hatanaka, Y. Hosotani, Y. Orikasa, N. Yamatsu
- Klíčová slovaKeywords
- Electroweak interaction, gauge theories, Higher-dimensional field theories, Hypothetical particle physics models
- DOIDOI
- 10.1103/PhysRevD.101.055016
- Časopis / citaceJournal / citation
- Physical Review D 101(5), 055016 (2020) · ISSN 2470-0010
- RokYear
- 2020
- JazykLanguage
- eng
- ZáznamyRecords
- ProjektProject
- Inženýrské aplikace fyziky mikrosvětaEngineering applications of microworld physics
- CitovánoCited by
- 21 (INSPIRE-HEP)
- Plný text (open access)Full text (open access)
- http://link.aps.org/pdf/10.1103/PhysRevD.101.055016
- Citace ke staženíDownload citation
- TXT · BibTeX
AbstraktAbstract
The Cabibbo-Kobayashi-Maskawa (CKM) mixing matrix and flavor-changing neutral currents (FCNCs) in the quark sector are examined in the grand unified theory inspired SO(5)×U(1)×SU(3) gauge-Higgs unification in which the 4D Higgs boson is identified with the Aharonov-Bohm phase in the fifth dimension. Gauge invariant brane interactions play an important role for the flavor mixing in the charged-current weak interactions. The CKM matrix is reproduced except that the up quark mass needs to be larger than the observed one. FCNCs are naturally suppressed as a consequence of the gauge invariance, with a factor of order 10-6. It is also shown that induced flavor-changing Yukawa couplings are extremely small.
The Cabibbo-Kobayashi-Maskawa (CKM) mixing matrix and flavor-changing neutral currents (FCNCs) in the quark sector are examined in the grand unified theory inspired SO(5)×U(1)×SU(3) gauge-Higgs unification in which the 4D Higgs boson is identified with the Aharonov-Bohm phase in the fifth dimension. Gauge invariant brane interactions play an important role for the flavor mixing in the charged-current weak interactions. The CKM matrix is reproduced except that the up quark mass needs to be larger than the observed one. FCNCs are naturally suppressed as a consequence of the gauge invariance, with a factor of order 10-6. It is also shown that induced flavor-changing Yukawa couplings are extremely small.