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	Author	LHCb Collaboration (Aaij, R. et al); Fernandez Casani, A.; Jaimes Elles, S.J.; Jashal, B.K.; Libralon, S.; Martinez-Vidal, F.; Mazorra de Cos, J.; Oyanguren, A.; Rebollo De Miguel, M.; Sanderswood, I.; Zhuo, J.
	Title	Study of Λb0 and Ξb0 Decays to Λh+ h'- – and Evidence for CP Violation in Λb0 → ΛK+ K- Decays			Type	Journal Article
	Year	2025	Publication	Physical Review Letters	Abbreviated Journal	Phys. Rev. Lett.
	Volume	134	Issue	10	Pages	101802 - 16pp
	Keywords
	Abstract	A study of Lambda(0)(b) and Xi(0)(b) decays to Lambda h(+) h'(-) (h((')) = pi, K) is performed using pp collision data collected by the LHCb experiment during LHC Runs 1-2, corresponding to an integrated luminosity of 9 fb(-1). The branching fractions for these decays are measured using the Lambda(0)(b) -> Lambda pi(+)pi(-) decay as a control channel. The decays Lambda(0)(b) -> Lambda pi(+)pi(-) and and Xi(o)(b) -> pi Lambda K-pi(+)- are observed for the first time. For decay modes with sufficient signal yields, CP asymmetries are measured in the full and localized regions of the final-state phase space. Evidence is found for CP violation in the Lambda(0)(b) -> Lambda K+K- decay, interpreted as originating primarily from an asymmetric Lambda(0)(b) -> N*K-+(-) decay amplitude. The measured CP asymmetries for other decays are compatible with zero.
	Address	[Bonacci, R. B.; Torres, M. Cruz; Dekkers, S.; Egede, U.; Fujii, Y.; Hadavizadeh, T.; Harris, T. H.; Henderson, R. D. L.; Lane, J. J.; Liu, F. L.; Monk, M.; Song, R.; Walton, E. J.; Ward, J. A.] Monash Univ, Sch Phys & Astron, Melbourne, Vic, Australia
	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	0031-9007	ISBN		Medium
	Area		Expedition		Conference
	Notes	WOS:001498264200002			Approved	no
	Is ISI	yes	International Collaboration	yes
	Call Number	IFIC @ pastor @			Serial	6797
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