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20072026
most citedTest of lepton universality in beauty-quark decays

372 citations

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16 papers · 1 filter

hep-ex2022★ 17 cited

Open charm production and asymmetry in Ne collisions at 68.5 GeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1053

A measurement of meson production by the LHCb experiment in its fixed-target configuration is presented. The production of mesons is studied with a beam of 2.5 TeV prot…

hep-ex2021★ 6 cited

Identification of charm jets at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +994

The identification of charm jets is achieved at LHCb for data collected in 2015-2018 using a method based on the properties of displaced vertices reconstructed and matched with jet…

hep-ex2021★ 329 cited

Study of the doubly charmed tetraquark

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +994

An exotic narrow state in the mass spectrum just below the mass threshold is studied using a data set corresponding to an integrated luminosity of 9 fb$^{-1…

hep-ex2021★ 48 cited

Search for the doubly heavy baryons and decaying to and

LHCb collaboration, R. Aaij, C. Abellán Beteta +900

The first search for the doubly heavy baryon and a search for baryon are performed using collision data collected via the LHCb experiment…

hep-ex2021★ 34 cited

Precise determination of the B0s-B0sbar oscillation frequency

LHCb collaboration, R. Aaij, C. Abellán Beteta +946

Mesons comprising a beauty quark and a strange quark can oscillate between particle (B0s) and antiparticle (B0s) flavour eigenstates, with a frequency given by the mass difference…

hep-ex2021★ 372 cited

Test of lepton universality in beauty-quark decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +946

The Standard Model of particle physics currently provides our best description of fundamental particles and their interactions. The theory predicts that the different charged lepto…

hep-ex2019★ 5 cited

Observation of the semileptonic decay

LHCb collaboration, R. Aaij, C. Abellán Beteta +900

The Cabibbo-suppressed semileptonic decay is observed for the first time using a sample of collisions corresponding to an integrated luminosit…

hep-ex2019★ 16 cited

Measurement of CP violation in the decay and search for the decay

LHCb collaboration, R. Aaij, C. Abellán Beteta +868

A measurement of the time-dependent CP-violating asymmetry in decays is presented. Using a sample of proton-proton collision data corresponding to an integrate…

hep-ex2019★ 6 cited

Measurement of the ratio of branching fractions of the decays and

LHCb Collaboration, R. Aaij, B. Adeva +799

Using collisions corresponding to 3 integrated luminosity, recorded by the LHCb experiment at centre-of-mass energies of 7 and 8, the ratio of…

hep-ex2018★ 12 cited

Measurement of violation in decays

LHCb collaboration, R. Aaij, B. Adeva +786

A measurement of the asymmetries and in decays is reported. The decays are reconstructed in a dataset collected with the LHCb exp…

hep-ex2018★ 3 cited

Observation of the decay in the mass region

LHCb collaboration, R. Aaij, B. Adeva +828

The decay mode is observed and its branching fraction relative to the corresponding decay mode, in a $\pm 15 \textrm{MeV}/c^…

hep-ex2017★ 24 cited

Search for excited states

LHCb collaboration, R. Aaij, B. Adeva +792

A search is performed in the invariant mass spectrum of the system for the excited states and using a data sam…

hep-ex2017★ 45 cited

Measurement of the production cross-section in pp collisions at 7 and 13 TeV

LHCb collaboration, R. Aaij, B. Adeva +796

The production of mesons is studied in collisions at centre-of-mass energies of 7 and 13 TeV, using decays and data samples correspon…

hep-ex2017★ 26 cited

Observation of the decay and a search for violation

LHCb collaboration, R. Aaij, B. Adeva +763

A search for violation in the decay is presented. This decay is mediated by flavour-changing neutral-current transitions in the Standard Model and…

hep-ex2017★ 26 cited

Observation of the suppressed decay

LHCb collaboration, R. Aaij, B. Adeva +768

The suppressed decay , excluding the and resonances, is observed for the first time with a significance o…

hep-ex2016★ 117 cited

Measurement of matter-antimatter differences in beauty baryon decays

LHCb collaboration, R. Aaij, B. Adeva +762

Differences in the behaviour of matter and antimatter have been observed in and meson decays, but not yet in any baryon decay. Such differences are associated with the non-…