LHCb reports the first experimental evidence for the Bs0 to K- pi+ gamma decay with 3.5 sigma significance and measures its branching fraction ratio to the B0 decay in two mass ranges.
Performance of the LHCb Outer Tracker
4 Pith papers cite this work. Polarity classification is still indexing.
4
Pith papers citing it
abstract
The LHCb Outer Tracker is a gaseous detector covering an area of 5x6 m2 with 12 double layers of straw tubes. The detector with its services are described together with the commissioning and calibration procedures. Based on data of the first LHC running period from 2010 to 2012, the performance of the readout electronics and the single hit resolution and efficiency are presented. The efficiency to detect a hit in the central half of the straw is estimated to be 99.2%, and the position resolution is determined to be approximately 200 um. The Outer Tracker received a dose in the hottest region corresponding to 0.12 C/cm, and no signs of gain deterioration or other ageing effects are observed.
citation-role summary
background 2
method 1
citation-polarity summary
fields
hep-ex 4years
2026 4representative citing papers
First measurement of A_FB and F_H in B+→π+μ+μ− decay is consistent with Standard Model predictions in both high- and low-mass dimuon regions.
No signal observed for B+ → π+ μ± e∓; branching fraction upper limit set at 1.8 × 10^{-9} at 90% CL.
Upper limits of 2.9×10^{-6} for B_s^0 and 2.5×10^{-6} for B^0 on the branching fractions to J/ψγ at 90% CL, with the B_s limit improved by a factor of 2.5.
citing papers explorer
-
First evidence of the $B_s^0\rightarrow K^-\pi^+\gamma$ decay
LHCb reports the first experimental evidence for the Bs0 to K- pi+ gamma decay with 3.5 sigma significance and measures its branching fraction ratio to the B0 decay in two mass ranges.
-
Angular analysis of the $B^+\to\pi^+\mu^+\mu^-$ decay
First measurement of A_FB and F_H in B+→π+μ+μ− decay is consistent with Standard Model predictions in both high- and low-mass dimuon regions.
-
Search for the lepton-flavour violating decays $B^+ \to \pi^+ \mu^\pm e^\mp$
No signal observed for B+ → π+ μ± e∓; branching fraction upper limit set at 1.8 × 10^{-9} at 90% CL.
-
Search for the decays $B_{(s)}^0\to J/\psi\gamma$ at LHCb
Upper limits of 2.9×10^{-6} for B_s^0 and 2.5×10^{-6} for B^0 on the branching fractions to J/ψγ at 90% CL, with the B_s limit improved by a factor of 2.5.