First observation of the rare 𝐵+ → 𝐷+ 𝐾+ π− decay

The B+→D+K+π- decay is observed in a data sample corresponding to 3.0 fb-1 of pp collision data recorded by the LHCb experiment during 2011 and 2012. The signal significance is 8σ and the branching fraction is measured to be B(B+→D+K+π-)=(5.31±0.90±0.48±0.35)×10-6, where the uncertainties are statis...

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Hlavní autoři:	Aaij, R, Abellán Beteta, C, Adeva, B, Cheung, S, Evans, T, Gandini, P, Gauld, R, Greening, E, Hadavizadeh, T, Harnew, N, Hill, D, Hussain, N, Jalocha, J, John, M, Lupton, O, Malde, S, Nandi, A, Smith, E, Stevenson, S, Thomas, C, Topp-Joergensen, S, Torr, N, Wilkinson, G
Médium:	Journal article
Vydáno:	American Physical Society 2016

First observation of the rare 𝐵+ → 𝐷+ 𝐾+ π− decay

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