LHCb reports the first upper limits on B0 → K+π−τ+τ− and Bs0 → K+K−τ+τ− branching fractions, with recast limits of 2.8×10−4 on B0 → K*(892)0 τ+τ− at 95% CL that improve prior bounds by an order of magnitude.
Cornellaet al.,Hunting for B+ →K +τ +τ − imprints on the B+ →K +µ+µ− dimuon spectrum, Eur
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LHCb measures CP-violating Wilson coefficients in B0 -> K*0 mu+ mu- with higher precision than before and finds results consistent with the Standard Model.
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Searches for $B^0\to K^+\pi^-\tau^+\tau^-$ and $B_s^0\to K^+K^-\tau^+\tau^-$ decays
LHCb reports the first upper limits on B0 → K+π−τ+τ− and Bs0 → K+K−τ+τ− branching fractions, with recast limits of 2.8×10−4 on B0 → K*(892)0 τ+τ− at 95% CL that improve prior bounds by an order of magnitude.
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$C\!P$ violation analysis of local and nonlocal amplitudes in the $\overline{B}^0 \to \overline{K}^{*0}\mu^+\mu^-$ decay
LHCb measures CP-violating Wilson coefficients in B0 -> K*0 mu+ mu- with higher precision than before and finds results consistent with the Standard Model.