$$A_4$$ A 4 modular invariance and the strong CP problem
Abstract We present simple effective theory of quark masses, mixing and CP violation with level $$N=3$$ N = 3 ( $$A_4$$ A 4 ) modular symmetry, which provides solution to the strong CP problem without the need for an axion. The vanishing of the strong CP-violating phase $${\bar{\theta }}$$ θ ¯ is en...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2024-09-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | https://doi.org/10.1140/epjc/s10052-024-13272-w |
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