A narrow pentaquark state, P c ( 4312 ) + , decaying to J / ψ p , is discovered with a statistical
significance of 7.3 σ in a data sample of Λ b 0 → J / ψ p K - decays, which is an order of …

A measurement of the ratio of branching fractions of the decays B + → K + μ + μ - and B + →
K + e + e - is presented. The proton-proton collision data used correspond to an integrated …

A highly significant structure is observed in the Λ c + K - π + π + mass spectrum, where the Λ
c + baryon is reconstructed in the decay mode p K - π + . The structure is consistent with …

The ratio of branching fractions R ( D * - ) ≡ B ( B 0 → D * - τ + ν τ ) / B ( B 0 → D * - μ + ν μ )
is measured using a data sample of proton-proton collisions collected with the LHCb …

Test of lepton flavor universality by the measurement of the B0→D*-τ+ντ branching fraction
using three-prong τ decays Page 1 Test of lepton flavor universality by the measurement of …

A search for charge-parity ( C P ) violation in D 0 → K - K + and D 0 → π - π + decays is
reported, using p p collision data corresponding to an integrated luminosity of 5.9 fb - 1 collected …

A measurement is reported of the ratio of branching fractions R ( J / ψ ) = B ( B c + → J / ψ τ +
ν τ ) / B ( B c + → J / ψ μ + ν μ ) , where the τ + lepton is identified in the decay mode τ + → μ …

The branching fraction B ( B 0 → D * - τ + ν τ ) is measured relative to that of the normalization
mode B 0 → D * - π + π - π + using hadronic τ + → π + π - π + ( π 0 ) ν τ decays in proton-…

An angular analysis of the B 0 → K * 0 ( → K + π - ) μ + μ - decay is presented using a dataset
corresponding to an integrated luminosity of 4.7 fb - 1 of p p collision data collected with …

Searches are performed for both promptlike and long-lived dark photons, A ′ , produced in
proton-proton collisions at a center-of-mass energy of 13 TeV, using A ′ → μ + μ - decays …