papers

Publications (183)

hep-ex2026

Measurement of asymmetry in decays with Run 3 data

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1189

A measurement of asymmetry in decays is reported, based on a data sample of proton-proton collisions collected with the LHCb detector in 20…

hep-ex2026

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…

hep-ex2025

Amplitude analysis of decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1096

The first full amplitude analysis of decays is performed using proton-proton collision data corresponding to an integrated luminosity of $9\,\text{fb…

hep-ex2024

Determination of short- and long-distance contributions in decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1082

An amplitude analysis of the decay is presented. The analysis is based on data collected by the LHCb experiment from proton-proton collisions at $\sqrt{s}…

hep-ex2025

Measurement of the Lund plane for light- and beauty-quark jets

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1136

The substructure of jets in quantum chromodynamics (QCD) has garnered significant attention with the advent of infrared- and collinear-safe clustering algorithms and observables. A…

hep-ex2025

Updated measurement of violation and polarisation in decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1169

A time-integrated angular analysis of the decay , with and $\overline{K}{}^{*}\kern-1pt(…

hep-ex2025

Measurements of charmed meson and antimeson production asymmetries at TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1130

This article presents doubly differential measurements of the asymmetries in production rates between mesons containing a charm quark and those containing an anticharm quark in pro…

hep-ex2026

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…

hep-ex2025

Measurement of the branching fraction ratios and using muonic decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1066

The branching fraction ratios of and decays are measured with respect to their muonic counter…

hep-ex2025

Inclusive -meson flavour-tagging algorithm at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1179

A new algorithm is developed to identify the flavour of neutral mesons at production in collisions by utilising all tracks from the hadronisation process. The algorithm is…

hep-ex2025

Observation of new charmonium(-like) states in decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1066

A study of resonant structures in and decays is performed, using proton-proton collision data at cen…

hep-ex2024

Measurement of the longitudinal polarization in decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1091

The longitudinal polarization fraction of the meson is measured in decays, where the lepton decays to three charged pions and a neutrino, us…

hep-ex2026

Machine learning techniques for jet reconstruction at LHCb and application to the search for and in TeV collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1194

Two machine learning techniques for jet measurements at the LHCb experiment are presented: a regression-based method for jet-energy calibration and a deep neural network algorithm…

hep-ex2025

Observation of orbitally excited states

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1155

The observation of a wide peaking structure in the mass spectrum is reported using proton-proton collision data collected by the LHCb detector at center-of-mass ener…

hep-ex2025

First measurement of -jet mass with and without grooming

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1138

The LHCb collaboration presents a novel suite of heavy-flavour jet substructure measurements at forward rapidity in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}…

hep-ex2024

Improved measurement of violation parameters in decays in the vicinity of the resonance

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1083

The decay-time-dependent asymmetry in decays is measured using proton-proton collision data, corresponding to an integrated lumino…

nucl-ex2026

Measurement of transverse and hyperon polarization in Pb collisions at TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1131

The transverse polarization of and hyperons is measured in Pb collisions collected by the LHCb experiment at a nucleon-nucleon center-of-mass energy of TeV.…

nucl-ex2026

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…

hep-ex2025

Three-pion Bose-Einstein correlations measured in proton-proton collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1128

A study on the Bose-Einstein correlations for triplets of same-sign pions is presented. The analysis is performed using proton-proton collisions at a centre-of-mass energy of $\sqr…

hep-ex2025

Measurement of violation observables in decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1112

A search for violation of the charge-parity symmetry in the decay is presented, with proton-proton collision data corresponding to an integrated…

hep-ex2025

Test of lepton flavour universality with decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

The first test of lepton flavor universality between muons and electrons using () decays is presented. The measurement is performed wit…

hep-ex2025

Study of charmonium production via the decay to at

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1063

Charmonium production cross-section in proton-proton collisions is measured at the centre-of-mass energy using decays to final state. The study is per…

hep-ex2026

First evidence of violation in beauty baryon to charmonium decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1178

A study of the difference in the asymmetries between and decays, , is performed using proto…

hep-ex2025

Observation of the open-charm tetraquark candidate in the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1133

An amplitude analysis of decays is performed using proton-proton collision data, corresponding to an integrated luminosity of $9\,\text{fb}^…

hep-ex2025

Measurements of the branching fraction ratio with charm meson decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1083

Measurements of the branching fraction ratio with and decays, denoted $R^{s}_…

hep-ex2025

Angular analysis of the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

An angular analysis of the decay is presented, using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass energi…

hep-ex2024

Search for the rare decay of charmed baryon into final state

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1066

A search for the nonresonant decay is performed using proton-proton collision data recorded at a centre-of-mass energy of 13 TeV by the LHCb experiment, co…

hep-ex2025

First observation of the charmless baryonic decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1186

A search for the charmless baryonic decay is performed using proton-proton collision data recorded by the LHCb experiment, corresponding to an integrated…

hep-ex2026

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 $…

hep-ex2025

Measurement of asymmetry in decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1119

A measurement of the -violating parameters in decays is reported, based on the analysis of proton-proton collision data collected by the LHCb expe…

hep-ex2025

Study of in decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1129

An amplitude analysis of the transition is performed simultaneously in , $B^{+}\to{\bar{D}}^{0} D_{s}…

hep-ex2024

Amplitude analysis and branching fraction measurement of decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1060

The decays of the meson to the final state are studied in proton-proton collision data collected with the LHCb detector at centre-of-mass energies o…

hep-ex2024

Tracking of charged particles with nanosecond lifetimes at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1063

A method is presented to reconstruct charged particles with lifetimes between 10 ps and 10 ns, which considers a combination of their decay products and the partial tracks created…

hep-ex2026

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,…

hep-ex2025

Observation of the doubly-charmed-baryon decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1134

A search for the doubly-charmed-baryon decay is performed using proton-proton collision data collected by the LHCb experiment at…

hep-ex2026

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…

hep-ex2026

Comprehensive analysis of the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

An analysis of the decay is presented using proton-proton collision data collected by the LHCb experiment, corresponding to an i…

hep-ex2026

Improved branching-fraction measurements of decays and first observation of

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1123

This paper presents a study of the charmless three-body decays (where ), using a sample of collision…

hep-ex2025

Precision measurement of the baryon lifetime

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1176

A sample of collision data, corresponding to an integrated luminosity of 5.4 fb and collected by the LHCb experiment during LHC Run 2, is used to measure the ratio of t…

hep-ex2025

First determination of the spin-parity of baryons

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1112

The decay chains are observed, and the spin-parity of baryons is determined for the first time.…

hep-ex2026

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…

hep-ex2026

A model-independent measurement of the CKM angle in the decays and ()

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1164

A model-independent determination of the CKM angle is presented, using the and decays, with . T…

hep-ex2024

Multiplicity dependence of in collisions at TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1087

The ratio of production cross-sections of over mesons as a function of charged-particle multiplicity in proton-proton collisions at a centre-of-mass energy $\sqrt{s…

hep-ex2023

Observation of and decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1090

The and decays are observed for the first time using proton-proton collision data collected by the LHCb experime…

hep-ex2025

Measurement of asymmetries in decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1129

A search for violation in and decays is presented using the full Run 1 and Run 2 data samples of collisions collected w…

hep-ex2024

Precision measurement of the baryon lifetime

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1067

A sample of collision data, corresponding to an integrated luminosity of 5.5 fb and collected by the LHCb experiment during LHC Run 2, is used to measure the ratio of t…

hep-ex2026

A method for luminosity determination based on real-time hit reconstruction with the LHCb silicon pixel detector

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1177

The data acquisition system of the upgraded LHCb experiment includes the fast reconstruction of all hits in the vertex locator (VELO) pixel detector at the beam-crossing rate of 40…

hep-ex2026

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…

hep-ex2024

Transverse polarization measurement of hyperons in Ne collisions at = 68.4 GeV with the $\mbox{LHCb}$ detector

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1068

A measurement of the transverse polarization of the and hyperons in Ne fixed-target collisions at = 68.4 GeV is presented using data collected by t…

hep-ex2026

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…

hep-ex2026

New measurements of decays into single charm final states

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1147

Using proton-proton collision data corresponding to an integrated luminosity of collected by the LHCb experiment, searches are performed for mesons d…

hep-ex2024

Enhanced production of baryons in high-multiplicity collisions at TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1085

The production rate of baryons relative to mesons in collisions at a center-of-mass energy TeV is measured by the LHCb experiment. The rat…

hep-ex2026

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…

hep-ex2024

Momentum scale calibration of the LHCb spectrometer

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1076

For accurate determination of particle masses accurate knowledge of the momentum scale of the detectors is crucial. The procedure used to calibrate the momentum scale of the LHCb s…

hep-ex2025

Measurement of the branching fraction

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1160

The ratio between the branching fractions of the and decays is measured with proton-proton collision data collect…

hep-ex2024

Measurement of the effective leptonic weak mixing angle

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1120

Using collision data at TeV, recorded by the LHCb experiment between 2016 and 2018 and corresponding to an integrated luminosity of fb, the forward-…

hep-ex2026

Search for lepton-number-violating decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1188

A search is performed for lepton-number-violating decays, using data collected by the LHCb experiment in proton-proton collisions at a center-of-mass ener…

hep-ex2025

Search for resonance-enhanced and angular asymmetries in the decay at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1131

The first measurement of the asymmetry of the decay rate () and the average () and asymmetry () of the forward-backward asy…

nucl-ex2026

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…

#average transverse momentum#charged particle production#pp collisions#pPb collisions
hep-ex2026

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…

nucl-ex2025

Coherent photoproduction of and excited vector mesons in ultraperipheral PbPb collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

The invariant-mass distribution for the coherent photoproduction of dipions in ultraperipheral PbPb collisions is measured using data, corresponding to an integrated luminosity of…

hep-ex2024

Observation of and decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1081

The decays and are observed for the first time, in proton-proton collision data at TeV corresponding…

hep-ex2026

Measurement of the branching fraction of the decay and isospin asymmetry of decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1193

This paper describes a measurement of the branching fraction using data collected with the LHCb experiment in proton-proton collisions from 2016 to 2018. The dat…

nucl-ex2025

Rapidity and multiplicity dependence of charged-particle flow in Pb collisions at TeV

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta +1129

The elliptic and triangular flow of charged particles are measured using two-particle angular correlations in Pb collisions in the pseudorapidity range \cal{2.0 4.8}.…

hep-ex2026

Amplitude analysis of decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1185

An amplitude analysis of the decays with is performed using a sample corresponding to an integrated luminosity of…

hep-ex2025

Evidence for decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

The first evidence for the decay is obtained using proton-proton collision data collected by the LHCb experiment, corresponding to an i…

hep-ex2025

Deuteron identification via time of flight with LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

It is shown that the timing capabilities of the LHCb detector operated during the LHC Run 2 can be used to identify light ion particles with momenta of a few GeV/. This is achie…

hep-ex2025

First evidence for direct CP violation in beauty to charmonium decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1131

The asymmetry and branching fraction of the CKM-suppressed decay are precisely measured relative to the favoured decay $B^+\!\to…

hep-ex2026

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…

hep-ex2024

A model-independent measurement of the CKM angle in partially reconstructed decays with

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1081

A measurement of -violating observables in and decays is made where the photon or neutral pion from the $D^{*} \to DÎ…

hep-ex2026

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…

hep-ex2026

Observation of the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1184

The first observation of the decay is reported using proton-proton collision data recorded with the LHCb detector corr…

hep-ex2026

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…

hep-ex2026

Differential decay rate of with the LHCb Upgrade I experiment

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

The normalised decay rate of is measured as a function of the lepton helicity angle using a data sample corresponding to an integrated luminosity o…

hep-ex2026

Probing the nature of the state using radiative decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1097

The radiative decays and are used to probe the~nature of the~ state using proton-proton collisio…

hep-ex2026

Study of charm mixing and CP violation with decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1188

A study of charm mixing and CP violation in decays is performed using data collected by the LHCb experiment in proton-proton collisions from 2015 t…

hep-ex2026

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…

hep-ex2026

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…

hep-ex2025

Measurement of the and baryon lifetimes using hadronic -baryon decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1143

The lifetimes of the and baryons are measured using a collision dataset collected by the LHCb experiment, corresponding to an integrated luminosity of $9~\rm…

hep-ex2025

Measurements of and production within fully reconstructed jets

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1114

This paper presents the first measurement of and meson production within fully reconstructed jets. Each quarkonium state (tag) is reconstructed via its d…

hep-ex2025

Observation of the decay and measurement of the branching fractions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1131

A study of the charmless baryonic decays is presented, where denotes either a or a meson. The analysis is based on proton-pr…

hep-ex2025

A measurement of

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1081

Using a dataset corresponding to of integrated luminosity collected with the LHCb detector between 2011 and 2018 in proton-proton collisions, the decay-time di…

hep-ex2026

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}{}^{…

hep-ex2024

First observation of decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1071

The four decays, , are observed for the first time using proton-proton collision data collected with the LHCb detector at a cent…

hep-ex2026

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/ψ) \equiv \mathcal{B}(B_c^+ \to J/ψτ^+ ν_τ)/\mathcal{B}(B_c^+ \to…

hep-ex2024

Study of -hadron decays to final states

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1075

Decays of and baryons to final states, with being , and meson…

hep-ex2026

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…

hep-ex2024

Helium identification with LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1082

The identification of helium nuclei at LHCb is achieved using a method based on measurements of ionisation losses in the silicon sensors and timing measurements in the Outer Tracke…

hep-ex2025

Measurement of violation in and decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1118

A time-dependent, flavour-tagged measurement of violation is performed with and decays, using data…

hep-ex2024

Search for violation in the phase space of decays with the energy test

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1091

A search for violation in and decays is reported. The search is performed usin…

nucl-ex2025

Measurement of the to cross-section ratio as a function of centrality in PbPb collisions at = 5.02 TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1133

The dissociation of quarkonium states with different binding energies produced in heavy-ion collisions is a powerful probe for investigating the formation and properties of the qua…

hep-ex2026

-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…

hep-ex2025

Search for resonances decaying to photon pairs with masses between 4.9 and 19.4 GeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1144

A search is presented for axion-like particles (ALPs) with masses between 4.9 and 19.4 GeV decaying to a pair of photons, using proton-proton collisions collected with the LHCb det…

hep-ex2026

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…

hep-ex2025

First observation of the decay and search for pentaquarks in the system

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1176

The decay is observed for the first time using the data sample from proton-proton collisions recorded at a center…

hep-ex2024

Amplitude analysis of the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1088

The resonant structure of the radiative decay in the region of proton-kaon invariant-mass up to 2.5 GeV is studied using proton-proton collision data recor…

hep-ex2025

Search for the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1128

A search for the decay is reported using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass…

hep-ex2025

Comprehensive analysis of local and nonlocal amplitudes in the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1073

A comprehensive study of the local and nonlocal amplitudes contributing to the decay is performed by analysing the phase-space distrib…

hep-ex2026

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…

hep-ex2025

Observation of the very rare decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1131

The first observation of the decay is reported with high significance using proton-proton collision data, corresponding to an integrated luminosity of $5.4\,…