Category: Physics results

The LHCb Collaboration presented several new interesting results at the Quark Matter 2019 conference in Wuhan, China. Among them was a study of how the production rate of the exotic…

The LHCb Collaboration presented interesting new results at the International Conference on Kaon Physics 2019 in Perugia, Italy, and at the International Conference on B-physics at frontier machines, Beauty 2019…

Today at the EPS-HEP conference, the LHCb collaboration announced the discovery of two new beauty baryon particles. These particles are interpreted as excited states of the Λb0 baryon. The new…

φs = -0.041±0.025 rad (LHCb)φs = -0.055±0.021 rad (World) The LHCb collaboration has submitted for publication an updated measurement of the CP-violating phase φs in Bs0 meson decays. The precision…

m(Pc+(4312)) = 4311.9±0.7+6.8/-0.6 MeV, Γ = 9.8±2.7+3.7/-4.5 MeVm(Pc+(4440)) = 4440.3±1.3+4.1/-4.7 MeV, Γ = 20.6±4.9+8.7/-10.1 MeVm(Pc+(4457)) = 4457.3±0.6+4.1/-1.7 MeV, Γ = 6.4±2.0+5.7/-1.9 MeV Today at the Rencontres de Moriond QCD conference,…

Today at the Rencontres de Moriond EW conference, the LHCb Collaboration presented an updated measurement of the ratio RK, an important test of a principle of the Standard Model of…

An important milestone in the history of particle physics. The LHCb collaboration has just presented at the Rencontres de Moriond EW and in a special CERN Seminar the first observation…

Observation of an excited Bc+ state. This week the LHCb collaboration announced the observation of an excited Bc+ state, confirming measurements by the ATLAS and CMS collaborations. The results were…

… and study of near-threshold D0D0 spectroscopy. This week the LHCb Collaboration announced the discovery of a new particle made of a charm and anti-charm quark. The results, which were…

The LHCb Collaboration presented new interesting results at the Large Hadron Collider Committee (LHCC) open session and at the CKM workshop in Heidelberg. Selected topics are listed below. (1) Observation…