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arXiv 2002.06931hep-phhep-th
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Common origin of the strong CP and CKM phases in string compactifications

Tatsuo Kobayashi, Hajime Otsuka

英文摘要:

We explore the scenario where both the strong CP and Cabbibo-Kobayashi-Maskawa (CKM) phases are determined by the same axion field. Such a scenario is naturally realized in string compactifications. We find that there exists parameter region to realize the tiny strong CP phase and observed CKM phase in magnetized D-brane models.

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