Charming time asymmetries
The LHCb collaboration presented many new interesting results at the VIIIth International Workshop on Charm Physics (Charm 2016) which took place in Bologna. In particular, precise measurements on the difference…
Observation of four exotic-like particles
Today the LHCb collaboration has submitted for publication two papers (one brief, and the other one containing full details) reporting the observation of four “exotic” particles decaying into a J/ψ…
The most precise measurement of the assl asymmetry
Last week at the 16th International Conference on B-Physics at Frontier Machines, “Beauty 2016”, Marseille, France, the LHCb collaboration presented the updated result of a measurement of the semileptonic asymmetry,…
World’s most precise measurements
and search for the X(5568) tetraquark candidate
The LHCb Collaboration has presented today at the Rencontres de Moriond EW new important results. (1) CKM γ angle measurements. The parameters that describe the difference in behaviour between matter…
A mysterious ridge effect
The LHCb collaboration has submitted today a paper reporting the study of correlations in particle production in proton-lead ion collisions at the LHC. The plots (see below) showing the angular…
A measurement of a fundamental parameter of the Standard Model
The LHCb collaboration has submitted a paper based on run 1 data which reports the measurement of a fundamental parameter of the Standard Model (SM), the electroweak mixing angle, θW.…
Is a b to a u quark transition modified by a new particle?
The LHCb collaboration published today in Nature Physics a paper based on run 1 data which reports the determination of the parameter |Vub| describing the transition of a b quark…
First LHC run2 physics results
Measurement of J/ψ production cross-sections in pp collisions at 13 TeV. At the EPS-HEP 2015 conference in Vienna the LHCb collaboration has presented today the first measurement of the probability…
Observation of particles composed of five quarks, pentaquark-charmonium states, seen in Λb0 → J/ψpK- decays
The LHCb collaboration submitted today a paper based on run 1 data which reports the observation of pentaquark-charmonium states decaying into a J/ψ meson and a proton p. In the…
An intriguing anomaly
Measurement of the decay B0 → D*+τ– ντ Today, at the 13th Flavor Physics and CP violation conference in Nagoya (Japan), the LHCb collaboration presented the preliminary result from a…