Modular invariance and the QCD angle
Abstract String compactifications on an orbi-folded torus with complex structure give rise to chiral fermions, spontaneously broken CP, modular invariance. We show that this allows simple effective theories of flavour and CP where: i) the QCD angle vanishes; ii) the CKM phase is large; iii) quark an...
Main Authors: | Ferruccio Feruglio, Alessandro Strumia, Arsenii Titov |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2023-07-01
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Series: | Journal of High Energy Physics |
Subjects: | |
Online Access: | https://doi.org/10.1007/JHEP07(2023)027 |
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