Measurement of the Bs0–B̄s0 oscillation frequency Δms in Bs0→Ds−(3)π decays

Measurement of the Bs0–B̄s0 oscillation frequency Δms in Bs0→Ds−(3)π decays

Article history: Received 21 December 2011 Received in revised form 3 February 2012 Accepted 10 February 2012 Available online 15 February 2012 Editor: W.-D. Schlatter The Bs –B 0 s oscillation frequency ms is measured with 36 pb −1 of data collected in pp collisions at √ s = 7 TeV by the LHCb experiment at the Large Hadron Collider. A total of 1381 Bs → D−s π+ and Bs → D−s π+π−π+ signal decays...

Aaij, R. et al. (2013) Measurement of CP violation and the Bs0 meson decay width difference with Bs0→J/ψK+K- and Bs0→J/ψπ+π- decays

Observation of Bs0→K*±K∓ and evidence for Bs0→K*−π+ decays

Measurements of the branching fractions of → ± ∓ B K K * s and π → ± ∓ B K* s decays are performed using a data sample corresponding to − 1.0 fb 1 of protonproton collision data collected with the LHCb detector at a centre-of-mass energy of 7 TeV, where the ± K* mesons are reconstructed in the π± KS final state. The first observation of the → ± ∓ B K K * s decay and the first evidence for the π...

Radiative decays of the strange - bottomed ( 0 + , 1 + ) mesons

In this article, we take the point of view that the strange-bottomed (0+, 1+) mesons Bs0 and Bs1 are the conventional bs̄ mesons, and calculate the electromagnetic coupling constants d, g1, g2 and g3 with the light-cone QCD sum rules. Then we study the radiative decays Bs0 → B sγ, Bs1 → Bsγ, Bs1 → B sγ and Bs1 → Bs0γ, and observe the decay widths are rather narrow. We can search the strange-bott...

Reanalysis of the (0 +, 1 +) states Bs0 and Bs1 with QCD sum rules

In this article, we calculate the masses and decay constants of the P -wave strange-bottomed mesons Bs0 and Bs1 with the QCD sum rules, and observe that the central values of the masses of the Bs0 and Bs1 are smaller than the corresponding BK and BK thresholds respectively, the strong decays Bs0 → BK and Bs1 → BK are kinematically forbidden. They can decay through the isospin violation precesse...