papers

Publications (302)

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

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-ex2022

Angular analysis of and decays and search for violation

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1003

The first full angular analysis and an updated measurement of the decay-rate asymmetry of the and decays are reported. The…

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-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-ex2024

A search for rare decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1046

A search for rare decays is performed using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of…

nucl-ex2019

Comparing proton momentum distributions in and 3 nuclei via H H and He measurements

R. Cruz-Torres, S. Li, F. Hauenstein +125

We report the first measurement of the reaction cross-section ratios for Helium-3 (He), Tritium (H), and Deuterium (). The measurement covered a missing moment…

nucl-ex2018

Search for three-nucleon short-range correlations in light nuclei

Z. Ye, P. Solvignon, D. Nguyen +100

We present new data probing short-range correlations (SRCs) in nuclei through the measurement of electron scattering off high-momentum nucleons in nuclei. The inclusive 4He/3He cro…

hep-ex2023

First observation of a doubly charged tetraquark and its neutral partner

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1055

A combined amplitude analysis is performed for the decays and , which are related by isospin symmetry. The…

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-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…

nucl-ex2013

Hard Two-body Photodisintegration of 3He

I. Pomerantz, Y. Ilieva, R. Gilman +197

We have measured cross sections for the gamma+3He->p+d reaction at photon energies of 0.4 - 1.4 GeV and a center-of-mass angle of 90 deg. We observe dimensional scaling above 0.7 G…

nucl-ex2020

Novel observation of isospin structure of short-range correlations in calcium isotopes

D. Nguyen, Z. Ye, P. Aguilera +101

Short Range Correlations (SRCs) have been identified as being responsible for the high momentum tail of the nucleon momentum distribution, n(k). Hard, short-range interactions of n…

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-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-ex2022

First measurement of the angular coefficients in the forward region of collisions at TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +999

The first study of the angular distribution of pairs produced in the forward rapidity region via the Drell-Yan reaction $pp \rightarrow γ^{*}/Z +X \rightarrow l^+ l^-…

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-ex2022

Measurement of the photon polarization in decays

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

The photon polarization in transitions is measured for the first time in radiative b-baryon decays exploiting the unique spin structure of decays. A da…

physics.acc-ph2012

Computationally efficient methods for modelling laser wakefield acceleration in the blowout regime

B. M. Cowan, S. Y. Kalmykov, A. Beck +7

Electron self-injection and acceleration until dephasing in the blowout regime is studied for a set of initial conditions typical of recent experiments with 100 terawatt-class lase…

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…

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-ex2023

Amplitude analysis of the decay and baryon polarization measurement in semileptonic beauty hadron decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +999

An amplitude analysis of decays together with a measurement of the polarization vector in semileptonic beauty hadron decays is presented. A sample of…

hep-ex2022

Precision measurement of forward boson production in proton-proton collisions at TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +998

A precision measurement of the boson production cross-section at TeV in the forward region is presented, using collision data collected by the LHCb detecto…

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

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-ex2022

Constraints on the CKM angle from decays using final states

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

A data sample collected with the LHCb detector corresponding to an integrated luminosity of 9 fb is used to measure eleven violation observables in de…

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…

physics.plasm-ph2012

A Multi Level Multi Domain Method for Particle In Cell Plasma Simulations

M. E. Innocenti, G. Lapenta, S. Markidis +2

A novel adaptive technique for electromagnetic Particle In Cell (PIC) plasma simulations is presented here. Two main issues are identified in designing adaptive techniques for PIC…

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-ex2023

First observation of the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

The decay is observed for the first time using proton-proton collision data collected by the LHCb detector at centre-of-mass energies of ,

hep-ex2022

Search for massive long-lived particles decaying semileptonically at sqrt(s)=13 TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +996

A search is performed for massive long-lived particles (LLP) decaying semileptonically into a muon and two quarks. Two kinds of LLP production processes were considered. In the fir…

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

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…

nucl-ex2022

Revealing the short-range structure of the "mirror nuclei" H and He

S. Li, R. Cruz-Torres, N. Santiesteban +113

When protons and neutrons (nucleons) are bound into atomic nuclei, they are close enough together to feel significant attraction, or repulsion, from the strong, short-distance part…

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-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…

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-ex2023

Study of meson decays to charmonia plus multihadron final states

LHCb Collaboration, R. Aaij, A. S. W. Abdelmotteleb +1058

Four decay modes of the meson into a meson and multiple charged kaons or pions are studied using proton-proton collision data, collected with the~LHCb detector at ce…

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-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…

nucl-ex2009

Proton Polarimeter Calibration between 82 and 217 MeV

J. Glister, G. Ron, B. Lee +19

The proton analyzing power in carbon has been measured for energies of 82 to 217 MeV and proton scattering angles of 5 to 41 degrees. The measurements were carried out using polari…

hep-ex2022

Observation of the doubly charmed baryon decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +995

The decay is observed using proton-proton collisions collected by the LHCb experiment at a centre-of-mass energy of $13\mathrm{\,Te\kern -0…

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-ex2023

Measurements of asymmetries and branching fraction ratios of decays to two charm mesons

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

The asymmetries of seven decays to two charm mesons are measured using data corresponding to an integrated luminosity of of proton-proton collisions c…

hep-ex2024

Study of violation in decays with , , and final states

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

A measurement of -violating observables associated with the interference of and decay amplitudes is performed in the $D^…

nucl-ex2026

Measurement of to cross-section ratio as function of multiplicity in Pb collisions at TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1139

The production ratio of to charmonium states is presented as a function of multiplicity in proton-lead collisions at a centre-of-mass energy of

astro-ph.GA2025

LMC+: Large-scale mapping of [CII] and [OIII] in the LMC molecular ridge, I. Dataset and line ratio analyses

C. Fischer, S. C. Madden, A. Krabbe +29

The fundamental process of star formation in galaxies involves the interplay between the fueling of star formation via molecular gas and the feedback from recently formed massive s…

hep-ex2023

Observation of the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +992

The first observation of the semileptonic -baryon decay , with a significance of , is reported using a data sample corres…

hep-ex2024

Amplitude analysis of the decay

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

An amplitude analysis of the decay is presented using a dataset corresponding to an integrated luminosity of fb of collision data collec…

hep-ex2023

Search for the lepton-flavour violating decays and

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1003

A search for the lepton-flavour violating decays and is presented, using proton-proton collision data collected by the LHCb…

cond-mat.mtrl-sci2015

Computational design of high performance hybrid perovskite on silicon tandem solar cells

A. Rolland, L. Pedesseau, A. Beck +7

In this study, the optoelectronic properties of a monolithically integrated series-connected tandem solar cell are simulated. Following the large success of hybrid organic-inorgani…

hep-ex2025

Angular analysis of decays

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

An angular analysis of decays is presented using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8…

hep-ex2026

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~\…

hep-ex2024

Measurement of the mass difference and relative production rate of the and baryons

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1050

The mass difference between the and baryons is measured using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated lumino…

hep-ex2023

Associated production of prompt and mesons in collisions at

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1045

The associated production of prompt and mesons in collisions at a centre-of-mass energy of is studied using LHCb data,…

hep-ex2024

Modification of (3872) and (2) production in Pb collisions at TeV

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

The LHCb collaboration measures production of the exotic hadron (3872) in proton-nucleus collisions for the first time. Comparison with the charmonium state (2) sug…

nucl-ex2023

Nuclear modification factor of neutral pions in the forward and backward regions in -Pb collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +999

The nuclear modification factor of neutral pions is measured in proton-lead collisions collected at a center-of-mass energy per nucleon of with the LHCb detector.…

hep-ex2022

Search for the radiative decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +986

The first search for the rare radiative decay is performed using data collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy o…

physics.plasm-ph2025

Surrogate Models studies for laser-plasma accelerator electron source design through numerical optimisation

G. Kane, P. Drobniak, S. Kazamias +8

Designing a high-quality plasma injector electron source driven by a laser beam relies on numerical parametric studies using particle-in-cell codes. The common input parameters to…

hep-ex2026

Branching fraction measurement of the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187

A measurement of the branching fraction for the decay is presented using collision data collected by the LHCb experiment at a ce…

hep-ex2025

Search for the lepton-flavour-violating decays

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

A first search for the lepton-flavour-violating decays is presented. The analysis is performed using a sample of proton-proton collision data, collected…

hep-ex2022

Study of charmonium and charmonium-like contributions in decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +995

A study of decays, followed by and , is performed using a dataset collected with the LHCb detector in pr…

nucl-ex2014

Probing the Repulsive Core of the Nucleon-Nucleon Interaction via the 4He(e,e'pN) Triple-Coincidence Reaction

I. Korover N. Muangma, O. Hen, R. Shneor +115

We studied simultaneously the 4He(e,e'p), 4He(e,e'pp), and 4He(e,e'pn) reactions at Q^2=2 [GeV/c]2 and x_B>1, for a (e,e'p) missing-momentum range of 400 to 830 MeV/c. The knocked-…

hep-ex2024

Search for the lepton-flavor violating decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1065

A search for the lepton-flavor violating decays is presented, using a sample of proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, co…

hep-ex2024

Observation of strangeness enhancement with charmed mesons in high-multiplicity collisions at TeV

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

The production of prompt and mesons is measured by the LHCb experiment in proton-lead () collisions in both the forward () and backward (…

hep-ex2026

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…

hep-ex2025

Measurement of branching fractions and asymmetries in decays

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

A study of and baryon decays to the final states and is performed using collision data collected b…

hep-ex2022

Measurement of the lifetimes of promptly produced and baryons

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +991

A measurement of the lifetimes of the and baryons is reported using proton-proton collision data at a centre-of-mass energy of , correspond…

hep-ex2022

Measurement of the W boson mass

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

The boson mass is measured using proton-proton collision data at TeV corresponding to an integrated luminosity of 1.7 fb recorded during 2016 by the LHCb e…

hep-ex2026

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…

hep-ex2025

Measurement of the multiplicity dependence of $\mitΥ$ production ratios in collisions at TeV

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

The $\mitÎ¥(\mathrm{2}S)$ and $\mitÎ¥(\mathrm{3}S)$ production cross-sections are measured relative to that of the $\mitÎ¥(\mathrm{1}S)$ meson, as a function of charged-particle mu…

hep-ex2026

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…

#radiative leptonic B decays#B⁺ meson#B_c⁺ meson#branching fraction limits
hep-ex2025

First observation of the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1072

The decay is observed for the first time using proton-proton collision data collected by the LHCb experiment at a center-of-mass energy of

physics.plasm-ph2025

Strong-field ionization in particle-in-cell simulations

A. A. Mironov, E. G. Gelfer, I. I. Tupitsyn +11

The inclusion of the process of multiple ionization of atoms in high-intensity electromagnetic fields into particle-in-cell (PIC) codes applied to the simulation of laser-plasma in…

hep-ex2026

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…

hep-ex2026

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…

hep-ex2024

Measurement of the Branching Fraction of Decays

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

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

hep-ex2021

Measurement of production cross-sections in collisions at TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +990

The production cross-sections of mesons in proton-proton collisions at a centre-of-mass energy of TeV are measured using a data sample corresponding to an integ…

nucl-ex2009

Hard Photodisintegration of a Proton Pair

I. Pomerantz, N. Bubis, K. Allada +47

We present a study of high energy photodisintegration of proton-pairs through the gamma + 3He -> p+p+n channel. Photon energies from 0.8 to 4.7 GeV were used in kinematics correspo…

hep-ex2024

Curvature-bias corrections using a pseudomass method

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1078

Momentum measurements for very high momentum charged particles, such as muons from electroweak vector boson decays, are particularly susceptible to charge-dependent curvature biase…

hep-ex2023

Observation and branching fraction measurement of the decay

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

The decay is observed using a proton-proton collision data sample collected at center-of-mass energy TeV with the LHCb detector, corresponding t…

hep-ex2024

Measurement of prompt and production in collisions at TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1046

The production of prompt and mesons is studied in proton-lead collisions at a centre-of-mass energy of TeV. The data sample correspo…

astro-ph.GA2025

SOFIA FIFI-LS spectroscopy of DR21 Main: energetics of the spatially-resolved outflow from a high-mass protostar

A. Karska, M. Figueira, A. Mirocha +12

Massive star formation is associated with energetic processes that may influence the physics and chemistry of parental molecular clouds and impact galaxy evolution. The high-mass p…

hep-ex2024

Measurement of the CKM angle in the channel using self-conjugate decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1061

A model-independent study of CP violation in decays is presented using data corresponding to an integrated luminosity of 9fb collected by the LHCb experime…

hep-ex2024

Test of lepton flavour universality using decays with hadronic channels

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1051

The branching fraction is measured relative to that of the normalization mode using hadronic $τ^+ \to π^+π^-Ï…

hep-ex2024

Search for decays and measurement of the branching fraction ratio

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1078

The first search for nonresonant decays is reported. The analysis uses proton-proton collision data collected with the LHCb detector between 2011 and 2018, c…

hep-ex2023

First observation and branching fraction measurement of the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

The first observation of the decay is presented using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of ${\sqrt{s}=13…

hep-ex2026

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…

hep-ex2023

Precision measurement of violation in the penguin-mediated decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1044

A flavor-tagged time-dependent angular analysis of the decay is performed using collision data collected by the LHCb experiment at TeV,…