Measurement of the CKM angle γ
The largest CP violation ever observed. This week, at the 10th Annual Large Hadron Collider Physics Conference, LHCP2022, LHCb presented results of the determination of the Cabibbo–Kobayashi–Maskawa (CKM) angle γ…
LHCb measurements help to understand possible signatures of dark matter presence in the Universe
Today, at the Quark Matter conference at Kraków, Poland, the LHCb Collaboration presented results of an analysis which may have significant consequences for the search for “dark matter” in the…
Magic beauty charmless decays
The largest CP violation ever observed. Today, at the Rencontres de Moriond EW, and on Tuesday, during a CERN seminar, the LHCb Collaboration reported the results of measurements of CP…
High precision measurement of the charm oscillation parameter yCP – yCPKπ using decays of D0 mesons to two light mesons
yCP – yCPKπ = (6.96±0.26±0.13)x10-3 Today, the LHCb Collaboration submitted for publication a paper that reports the results of the high precision measurement of the charm oscillation (mixing) parameter yCP…
New tests of lepton universality with τ leptons
Today at the 30th International Symposium on Lepton Photon Interactions at High Energies, organized by the University of Manchester, the LHCb Collaboration presented new tests of lepton universality, one of…
New tests of lepton universality show the same pattern as deviations seen in previous results
Test of lepton universality using B0→KS0l+l– and B+→K*+l+l– decays. Today at the CERN seminar and at the Rencontres de Blois the LHCb Collaboration presented new tests of lepton universality, one…
The first LHCb measurement of the W boson mass
Last week the LHCb Collaboration submitted for publication a paper that reports the first LHCb measurement of the W boson mass with an uncertainty of 32 MeV using the 2016…
Observation of an exceptionally charming tetraquark.
This week at the European Physical Society conference on high energy physics, EPS-HEP 2021 the LHCb Collaboration presented the first observation of a doubly charmed tetraquark, Tcc+, with a new…
The charm of a proton
Today at the European Physical Society conference on high energy physics, EPS-HEP 2021 the LHCb Collaboration presented results of a measurement consistent with the presence of valence-like charm content in…
Branching fraction tension
The Bs→φμ+μ– branching fraction measured below the Standard Model prediction. This week at the Flavor Physics and CP Violation (FPCP) conference in Shanghai, China, the LHCb Collaboration presented a measurement…