期刊
MODERN PHYSICS LETTERS A
卷 35, 期 21, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S021773232050176X
关键词
Peccei-Quinn symmetry; axion; neutrinos
资金
- Spanish grant (AEI/FEDER, UE) [SEV-2014-0398, FPA2017-85216-P]
- Spanish grant (Generalitat Valenciana) [PROMETEO/2018/165]
- Spanish Red Consolider MultiDark [FPA2017-90566-REDC]
- Mexican grant DGAPA-PAPIIT (Mexico) [IN107118]
- Mexican grant CONACyT (Mexico) [CB-2017-2018/A1-S-13051]
- Government of Canada through the Department of Innovation, Science and Economic Development Canada
- Province of Ontario through the Ministry of Economic Development, Job Creation and Trade
We show that a very simple solution to the strong CP problem naturally leads to Dirac neutrinos. Small effective neutrino masses emerge from a type-I Dirac seesaw mechanism. Neutrino mass limits probe the axion parameters in regions currently inaccessible to conventional searches.
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