Category: Physics results

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…

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…

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…

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…

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…

[ mW=80354±23stat±10expsys±17theory±9PDF MeV] 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…

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…

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…

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…

m1-m2 = 6.4×10-6 eV = 0.00000000000000000000000000000000000001 grams (1×10-38g) (m1-m2)/(D0mass) = 3×10-15 Today, the LHCb Collaboration submitted a paper for publication that reports the first observation of the mass difference between…