The first observation of the B0 s → η0 η0 decay is reported. The study is based on a sample of proton-proton collisions corresponding to 3.0 fb−1 of integrated luminosity collected with the LHCb detector. The significance of the signal is 6.4 standard deviations. The branching fraction is measured to be ½3.31 0.64ðstatÞ 0.28ðsystÞ 0.12ðnormÞ × 10−5, where the third uncertainty comes from the B → η0 K branching fraction that is used as a normalization. In addition, the charge asymmetries of B → η0 K and B → ϕK, which are control channels, are measured to be ð−0.2 1.3Þ% and ðþ1.7 1.3Þ%, respectively. All results are consistent with theoretical expectations. DOI: 10.1
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Proton-proton collision data recorded in 2011 and 2012 by the LHCb experiment, corresponding to an i...
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The first observation of the decay is reported using 35 pb−1 of data collected by LHCb in proton–pr...
The first observation of the decay View the MathML source and a study of B0→χc1,2K∗0 decays are pres...
Measurements of the branching fractions of B0s→K*±K∓ and B0s→K*±π∓ decays are performed using a data...
The first observation of the $B^0_s\to\eta'\eta'$ decay is reported. The study is based on a sample ...
The first observation of the decay B0s→ϕK¯¯¯¯∗0 is reported. The analysis is based on a data sample ...
The first observation of the B0 s → η0 η0 decay is reported. The study is based on a sample of pro...
The first observation of the Bs0 → Ds∗∓K± decay is reported using 3.0 fb−1 of proton-proton collisio...
Decays of the form B(s)0 → J/ψKS0h+h(′) −(h(′) = K, π) are searched for in proton-proton collision d...
Abstract: The first observation of the Bs(formula presented.)$$mathrmmathcalBleft(B_s^0 oD_s^ast^mpK...
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Proton-proton collision data recorded in 2011 and 2012 by the LHCb experiment, corresponding to an i...
First observation of the decay Bºs → D-ºφ is reported using pp collision data, corresponding to an ...
The first observation of the decay is reported using 35 pb−1 of data collected by LHCb in proton–pr...
The first observation of the decay View the MathML source and a study of B0→χc1,2K∗0 decays are pres...
Measurements of the branching fractions of B0s→K*±K∓ and B0s→K*±π∓ decays are performed using a data...