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Author  |
Cherchiglia, A.L.; Dias, A.G.; Leite, J.; Nishi, C.C. |
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Title |
Seesaw limit of the Nelson-Barr mechanism |
Type |
Journal Article |
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Year |
2025 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
860 |
Issue |
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Pages |
139222 - 7pp |
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Keywords |
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Abstract |
We investigate how the solution to the strong CP problem and the explanation for the observed fermion mass hierarchies can be intrinsically related. Specifically, we explore the Nelson-Barr mechanism and identify its “seesaw limit”, where light quark masses are suppressed by large CP-violating terms. Upon adding three (two) vector-like quarks that mix with the down-type (up-type) quark sector of the Standard Model, we demonstrate how the lack of CP violation in the strong sector and the observed quark mass hierarchy can be simultaneously achieved. |
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Address |
[Cherchiglia, A. L.] Univ Estadual Campinas, Inst Fis Gleb Wataghin, Campinas, SP, Brazil, Email: alche@unicamp.br; |
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Thesis |
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Publisher |
Elsevier |
Place of Publication |
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Editor |
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Language |
English |
Summary Language |
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Original Title |
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Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0370-2693 |
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Notes |
WOS:001400845600001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6447 |
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