activity
20122021
most citedTest of lepton universality using decays

952 citations · 19.9k across the 276 of their papers we have counts for

collaborators

276 papers

hep-ex2021★ 8 cited

Measurement of the prompt-production cross-section ratio in Pb collisions at = 8.16 TeV

R. Aaij, C. Abellán Beteta, T. Ackernley +954

This Letter reports the first measurement of prompt and charmonium production in nuclear collisions at Large Hadron Collider energies. The cross-section ratio $σ(…

hep-ex2020★ 46 cited

Observation of a new state

LHCb collaboration, R. Aaij, C. Abellán Beteta +957

Using a proton-proton collision data sample collected by the LHCb experiment, corresponding to an integrated luminosity of 8.5 fb, the observation of a new excited r…

hep-ex2020★ 9 cited

Measurement of the relative branching fractions of decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +957

The relative branching fractions of decays, where is a pion or kaon, are measured. The analysis is performed with a data sample…

hep-ex2020★ 5 cited

First observation of the decay

LHCb collaboration, R. Aaij, C. Abellán Beteta +965

The first observation of the decay is reported using proton-proton collision data corresponding to an integrated luminosity of 4.7 $\…

hep-ex2020

First observation of excited states

LHCb collaboration, R. Aaij, C. Abellán Beteta +901

We report four narrow peaks in the mass spectrum obtained using collisions at center-of-mass energies of 7, 8 and 13 TeV, corresponding to a total integrated lumino…

hep-ex2020★ 12 cited

Measurement of observables in and with decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +904

Measurements of observables in and decays are presented, where represents a superposition of and states. The …