Publications (42)
Study of nuclear effects on charm production in light-ion collisions
LHCb collaboration, R. Aaij, M. Abdelfatah +1106
The onset of nuclear effects in light-ion collisions is studied by measuring the ratio of meson production between NeNe and OO collisions at a center-of-mass energy per nucle…
Measurement of the -boson production cross-sections in collisions at = 13 TeV in the forward region
LHCb collaboration, R. Aaij, M. Abdelfatah +1114
A precision measurement of the -boson production cross-section is performed using the decay channel, based on a sample of proton-proton collision data collected by…
Search for decays at the LHCb experiment with Run 2 data
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1188
A search for the lepton-flavour-violating decay is carried out using data collected by the LHCb experiment between 2016 and 2018 in proton-proton collisions…
First observation of the decay and evidence for the decay
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187
A search is presented for the two-body charmed baryonic decays , using a data sample collected by the LHCb experiment duri…
Polarization measurement of and baryons in Ne collisions at GeV
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1174
The first measurement of the polarization of charm baryons by the LHCb experiment recorded in fixed-target mode is presented. The polarization of baryons is studied in colli…
Observation of violation in decays
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1172
The LHCb collaboration measures the time‑dependent CP asymmetry in B⁰ → J/ψ ρ⁰ decays, reporting the first observation of CP violation in this channel and determining the effective…
Observation and investigation of the structure in decays
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1184
The first four-dimensional amplitude analysis of the decay is performed with proton-proton collision data collected by the LHCb experimen…
Evidence for the rare decay
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1192
A search for the rare decay is performed using proton-proton collision data recorded by the LHCb experiment at a center-of-mass energy of $\sqrt{…
Observation of a new excited charm-strange meson in decays
LHCb collaboration, R. Aaij, M. Abdelfatah +1114
A new excited charm-strange meson is observed through an amplitude analysis of the full phase space of decays. The analysis is based on a proton-proton co…
Search for the lepton-flavour violating decays
LHCb collaboration, R. Aaij, M. Abdelfatah +1106
The first search for the lepton-flavour violating decays in proton-proton collisions is presented, using data collected by the LHCb experiment betwe…
Precise measurement of the CKM angle with a novel approach
The BESIII, LHCb Collaborations, : +1903
A measurement of the CKM angle is performed by applying a novel, unbinned, model-independent approach to datasets of electron-positron collisions collected by the BESIII exper…
Observation of the charmless purely baryonic decay
LHCb collaboration, R. Aaij, M. Abdelfatah +1103
A search for the charmless purely baryonic decay is performed using proton-proton collision data recorded by the LHCb expe…
Study of the decay
LHCb collaboration, R. Aaij, M. Abdelfatah +1113
The decay is studied at LHCb for the first time using proton-proton collision data recorded by the LHCb experiment at a center-of-mass energy of $…
Measurement of the branching fractions and longitudinal polarisations of decays
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183
A time- and flavour-integrated amplitude analysis of and decays to the final state in the $K^*(892)^0 \kern 0.18em \overline{\kern -0.18em K}{}^{…
Search for decays at LHCb
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183
A search for decays is performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mas…
Measurement of the ratio of branching fractions
LHCb collaboration, R. Aaij, M. Abdelfatah +1121
A measurement of the ratio of semileptonic branching fractions , defined as $\mathcal{R}(J/Ï) \equiv \mathcal{B}(B_c^+ \to J/ÏÏ^+ ν_Ï)/\mathcal{B}(B_c^+ \to…
First evidence of the decay
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1182
The first evidence for the decay is reported using proton-proton collision data recorded by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV,…
First measurement of the decay-time-integrated asymmetry in decays
LHCb collaboration, R. Aaij, M. Abdelfatah +1114
A measurement of the flavour-untagged decay-time-integrated asymmetry in the flavour-specific decay , , is perf…
First measurement of time-dependent violation in the flavor-changing neutral-current decay
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1165
A flavor-tagged time-dependent analysis of decays is performed across the full dimuon mass range excluding the and resonanc…
Test of lepton flavour universality with decays at large dilepton invariant mass
LHCb collaboration, R. Aaij, M. Abdelfatah +1115
Muon-electron universality is tested in decays, in the dilepton-invariant-mass region above the resonance. The analysis uses beauty mesons…
Search for the decays
LHCb collaboration, R. Aaij, M. Abdelfatah +1128
The LHCb experiment searched for the rare radiative leptonic decays B⁺→μ⁺ν_μγ and B_c⁺→μ⁺ν_μγ in 13 TeV proton‑proton collisions, finding no signal and setting upper limits on thei…
-jet fragmentation with decays in TeV collisions at LHCb
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1166
The collinear and transverse-momentum-dependent jet fragmentation function and the radial profile for mesons in jets are measured. The mesons are reconstructed…
Observation of new excited states in the decay
LHCb collaboration, R. Aaij, M. Abdelfatah +1100
An amplitude analysis of the decay is performed using proton-proton collision data, corresponding to an integrated luminosity of $9\tex…
Evidence for the decay
LHCb collaboration, R. Aaij, M. Abdelfatah +1101
Using a dataset corresponding to an integrated luminosity of collected in proton-proton collisions between 2011 and 2018 by the LHCb experiment, evidence is…
Measurement of using and decays with and
LHCb collaboration, R. Aaij, M. Abdelfatah +1105
A measurement of the CKM angle using the decay channels and , where the meson decays to $D\rightarrow K_{\rm S}…
Measurement of inclusive production of charmonium states in -hadron decays via their decay into
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1176
The inclusive production of the , and charmonium states in -hadron decays is studied with LHCb Run~2 data, corresponding to an integrated luminosit…
First evidence of the decay
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1173
The first search for the decay in the range is performed using data from proton-proton collisions collected by th…
Precision measurement of the muon charge asymmetry from -boson decays in collisions at = 13 TeV in the forward region
LHCb collaboration, R. Aaij, M. Abdelfatah +1114
A precision measurement of the muon charge asymmetry from -boson decays in proton-proton collisions at = 13 TeV is presented. The analysis utilizes data corresponding…
Searches for and decays
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1185
The first searches for and decays at the LHCb experiment are conducted with collision data corresponding to an integrated lu…
Measurement of the CKM angle in decays with a novel approach
The BESIII, LHCb Collaborations, : +1903
A measurement of the CKM angle and related strong-phase parameters is performed using a novel, model-independent approach in ${B^{\pm}\rightarrow D(\rightarrow K^{0}_{\rm S} h…
Modification of production in O and OO collisions at LHCb
LHCb collaboration, R. Aaij, M. Abdelfatah +1161
The production rates of and mesons relative to that of the state are measured in , O, and OO collisions by the LHCb collabora…
violation analysis of local and nonlocal amplitudes in the decay
LHCb collaboration, R. Aaij, M. Abdelfatah +1104
A search for violation in the decay is performed using proton--proton collision data collected by the LHCb experiment during R…
Associated + production as a probe of multiparton interactions in the forward region
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187
This letter reports a study of associated boson and prompt production in proton-proton collisions at TeV with the LHCb detector in the forward rapidity reg…
Differential measurement of the branching fraction and asymmetry of the decay
LHCb collaboration, R. Aaij, M. Abdelfatah +1121
Differential measurements of the branching fraction and asymmetry of the decay are performed in intervals of the dimuon mass squared, , using…
Measurement of the top-quark production cross-section and charge asymmetry at LHCb
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1173
The first measurements of the top- and antitop-quark differential production cross-sections and the top-quark charge asymmetry in the forward region are presented, using proton-pro…
Precision measurement of CP violation and branching fractions in decays and search for the rare decay
R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta +1177
The decay , with a asymmetry expected to be close to zero in the Standard Model, is theoretically clean and sensitive to potential new p…
Search for the decays at LHCb
LHCb collaboration, R. Aaij, M. Abdelfatah +1116
A search for the rare decays is performed with proton-proton collision data collected by the LHCb experiment, corresponding to integrated luminosities of $3~\…
Measurement of the local and nonlocal amplitudes in decays
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187
This paper presents a thorough study of the local and nonlocal amplitudes in transitions through an amplitude analysis of the dimuon mass spectrum of the deca…
Measurement of the average transverse momentum of forward prompt charged particles in and collisions at
LHCb collaboration, R. Aaij, M. Abdelfatah +1106
The paper reports the first measurements of the average transverse momentum of prompt charged particles in pp and pPb collisions at 5.02 TeV, studying its dependence on event multi…
Search for violation in decays
LHCb collaboration, R. Aaij, M. Abdelfatah +1106
A search for charge-parity () violation in the Cabibbo-suppressed decay is presented, using proton-proton collision data corresponding to an integrated lumin…
Observation of the doubly charmed baryon with the LHCb Run 3 detector
LHCb collaboration, R. Aaij, M. Abdelfatah +1106
The first observation of the doubly charmed baryon is reported through its decay to the final state, with a statistical significance exceeding se…
Angular analysis of the decay
LHCb collaboration, R. Aaij, M. Abdelfatah +1112
This paper presents the first measurement of the forward-backward asymmetry, , and the flat term, , that parameterise the angular distribution of the $B^+\toÏ^+…