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	Author	LHCb Collaboration (Aaij, R. et al); Jaimes Elles, S.J.; Jashal, B.K.; Libralon, S.; Martinez-Vidal, F.; Oyanguren, A.; Rebollo De Miguel, M.; Sanderswood, I.; Zhuo, J.
	Title	Measurement of the branching fraction of B0→ J/ψ π0 decays			Type	Journal Article
	Year	2024	Publication	Journal of High Energy Physics	Abbreviated Journal	J. High Energy Phys.
	Volume	05	Issue	5	Pages	065 - 27pp
	Keywords	B Physics; Branching fraction; Hadron-Hadron Scattering
	Abstract	The ratio of branching fractions between B-0 -> J/psi pi(0) and B+ -> J/psi K+ decays is measured with proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb(-1). The measured value is B-B(0) -> -> J/psi pi(0)/B+ -> J/psi K+ = (1.153 +/- 0.053 +/- 0.048) x 10-2, where the first uncertainty is statistical and the second is systematic. The branching fraction for B-0 -> J/psi pi(0) decays is determined using the branching fraction of the normalisation channel, resulting in B-B(0) -> J/psi pi(0) = (1.670 +/- 0.077 +/- 0.069 +/- 0.095) x 10-5, where the last uncertainty corresponds to that of the external input. This result is consistent with the current world average value and competitive with the most precise single measurement to date.
	Address	[Egede, U.; Fujii, Y.; Hadavizadeh, T.; 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, Email: chefdevi@lapp.in2p3.fr;
	Corporate Author				Thesis
	Publisher	Springer	Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1029-8479	ISBN		Medium
	Area		Expedition		Conference
	Notes	WOS:001279641700001			Approved	no
	Is ISI	yes	International Collaboration	yes
	Call Number	IFIC @ pastor @			Serial	6492
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