Anomalies and parities for quintessential and ultra-light axions
We discuss the energy scales of the explicit breaking terms of the global symmetries U(1)×globalSU(2)gauge2 needed for the quinessential axion (QA) and the ultra-light axion (ULA). The appropriate scale of QA is about 1.48×108GeV.
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| Format: | Article |
| Language: | English |
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Elsevier
2021-06-01
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| Series: | Physics Letters B |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S037026932100188X |