Awards of the LHCb Kaggle competition
The world’s community of machine learning data scientists organizes “Kaggle” competitions to solve the most difficult and interesting challenges in…
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…
20 birthday candles for LHCb
In August 1995 a Letter of Intent was submitted for LHCb, the world’s first dedicated b-physics experiment at a hadron…
Revolutionary improvement of data acquisition and analysis
The first integrated data-taking and analysis in a High Energy Physics experiment. The procedure of data-taking and analysis at hadron…
A measurement of a fundamental parameter of the Standard Model
[ sin2θWeff = 0.23142±0.00073(stat)±0.00052(sys)±0.00056(theory) ] The LHCb collaboration has submitted a paper based on run 1 data which reports the…
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…
First LHC run2 physics results
Measurement of J/ψ production cross-sections in pp collisions at 13 TeV. [ σ(prompt Jψ) = 15.35±0.03±0.85 μb; σ(Jψ-from-b-hadron) = 2.36±0.01±0.13…
Observation of particles composed of five quarks, pentaquark-charmonium states, seen in Λb0 → J/ψpK- decays
[ m(Pc+(4450)) = 4449.8±1.7±2.5 MeV, Γ = 39±5±19 MeV ] [ m(Pc+(4380)) = 4380±8±29 MeV, Γ = 205±18±86 MeV ]…
First Physics at 13 TeV
LHC Run 2 started today. LHCb physicists have been eagerly awaiting this moment since 14 February 2013 when the last…
An intriguing anomaly
Measurement of the decay B0 → D*+τ– ντ [ Branching fraction ratio B0 → D*+τ– ντ/ B0 → D*+μ– νμ…