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	Author	Hati, C.; Leite, J.; Nath, N.; Valle, J.W.F.
	Title	QCD axion, color-mediated neutrino masses, and B+ → K+ + Emiss anomaly			Type	Journal Article
	Year	2025	Publication	Physical Review D	Abbreviated Journal	Phys. Rev. D
	Volume	111	Issue	1	Pages	015038 - 16pp
	Keywords
	Abstract	Motivated by the recent Belle II result indicating a 2.76 excess of B+-* K+ + Emiss events compared to the Standard Model (SM) prediction for B+-* K+vv<overline>, we explore an explanation to this anomaly based on a Kim-Shifman-Vainshtein-Zakharov-type QCD axion model featuring a Peccei-Quinn (PQ) symmetry breaking at high scale, which can provide a solution to the strong CP problem with dark matter relic abundance. The model contains a PQ-charged scalar leptoquark which can interact with the SM quarks only via mass mixing of the latter with vectorlike quarks. The mixing between SM and vectorlike quarks is determined by the PQ mass scales and can explain the excess B+-* K+ + Emiss events while respecting other flavor constraints. The same PQ-charged scalar leptoquarks and vectorlike quarks also mediate the two-loop radiative neutrino masses.
	Address	[Hati, Chandan; Leite, Julio; Nath, Newton; Valle, Jose W. F.] Univ Valencia, Inst Fis Corpuscular CSIC, AHEP Grp, Parc Cientif Paterna,C-Catedrat Jose Beltran,2, E-46980 Paterna, Valencia, Spain, Email: chandan@ific.uv.es;
	Corporate Author				Thesis
	Publisher	Amer Physical Soc	Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	2470-0010	ISBN		Medium
	Area		Expedition		Conference
	Notes	WOS:001438175900017			Approved	no
	Is ISI	yes	International Collaboration	no
	Call Number	IFIC @ pastor @			Serial	6550
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