M. Williams

First measurement of the charge asymmetry in beauty-quark pair production at a hadron collider

R. Aaij, B. Adeva, M. Adinolfi +700

The difference in the angular distributions between beauty quarks and antiquarks, referred to as the charge asymmetry, is measured for the first time in $b b ˉ$ pair production…

Precision measurement of $CP$ violation in the penguin-mediated decay $B_{s}^{0} \to I ¨ I ¨ $

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

A flavor-tagged time-dependent angular analysis of the decay $B_{s}^{0} \to I ¨ I ¨ $ is performed using $pp$ collision data collected by the LHCb experiment at $s = 13$ TeV,…

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…

Design and performance of the LHCb trigger and full real-time reconstruction in Run 2 of the LHC

R. Aaij, S. Akar, J. Albrecht +138

The LHCb collaboration has redesigned its trigger to enable the full offline detector reconstruction to be performed in real time. Together with the real-time alignment and calibra…

hep-ex2011

Determination of f_s/f_d for 7 TeV pp collisions and a measurement of the branching fraction of the decay Bd->D-K+

LHCb Collaboration, R. Aaij, B. Adeva +548

The relative abundance of the three decay modes $B_{d} \to D^{-} K^{+}$ , $B_{d} \to D^{-} I ¨ ^{+}$ and $B_{s} \to D_{s}^{-} I ¨ ^{+}$ produced in 7 TeV $pp$ collisions at the LHC is determined from data…

Evidence for the decay $B_{s}^{0} \to K^{* 0} I^¼^{+} I^¼^{-}$

LHCb collaboration, R. Aaij, B. Adeva +788

A search for the decay $B_{s}^{0} \to K^{* 0} I^¼^{+} I^¼^{-}$ is presented using data sets corresponding to 1.0, 2.0 and 1.6 $fb^{- 1}$ of integrated luminosity co…

Measurement of the B0bar-B0 and Bsbar-Bs production asymmetries in pp collisions at sqrt(s)=7 TeV

LHCb collaboration, R. Aaij, B. Adeva +700

The B0bar-B0 and Bsbar-Bs production asymmetries, AP(B0) and AP(Bs), are measured by means of a time-dependent analysis of B0 -> J/ÏK*0, B0 -> D- pi+ and Bs -> Ds- pi+ decays, usi…

Measurement of forward $t t$ , $W + b b$ and $W + c c$ production in $pp$ collisions at $s = 8$ TeV

LHCb collaboration, R. Aaij, B. Adeva +767

The production of $t t$ , $W + b b$ and $W + c c$ is studied in the forward region of proton-proton collisions collected at a centre-of-mass energy of 8 Te…

Measurement of forward top pair production in the dilepton channel in $pp$ collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, B. Adeva +791

Forward top quark pair production is studied in $pp$ collisions in the $I^¼ e b$ final state using a data sample corresponding to an integrated luminosity of 1.93 fb $^{- 1}$ collected…

Study of the rare $B_{s}^{0}$ and $B^{0}$ decays into the $I ¨ ^{+} I ¨ ^{-} I^¼^{+} I^¼^{-}$ final state

LHCb collaboration, R. Aaij, B. Adeva +699

A search for the rare decays $B_{s}^{0} \to I ¨ ^{+} I ¨ ^{-} I^¼^{+} I^¼^{-}$ and $B^{0} \to I ¨ ^{+} I ¨ ^{-} I^¼^{+} I^¼^{-}$ is performed in a data set corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ colle…

hep-ex2016

Measurement of forward $W \to e I^½$ production in $pp$ collisions at $s = 8$ TeV

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

A measurement of the cross-section for $W \to e I^½$ production in $pp$ collisions is presented using data corresponding to an integrated luminosity of $2$ fb $^{- 1}$ collected by th…

Search for Majorana neutrinos in $B^{-} \to I ¨ ^{+} I^¼^{-} I^¼^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +674

A search for heavy Majorana neutrinos produced in the $B^{-} \to I ¨ ^{+} I^¼^{-} I^¼^{-}$ decay mode is performed using 3 fb $^{- 1}$ of integrated luminosity collected with the LHCb detector in…

First observation of the decay Bc+ to J/psi pi+pi-pi+

LHCb collaboration, R. Aaij, C. Abellan Beteta +592

The decay Bc+ --> J/psi pi+pi-pi+ is observed for the first time, using 0.8 fb-1 of pp collisions at sqrt{s}=7 TeV collected by the LHCb experiment. The ratio of branching fraction…

Measurements of the branching fractions of the decays $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ and $B_{s}^{0} \to D_{s}^{-} I ¨ ^{+}$

The LHCb collaboration, R. Aaij, C. Abellan Beteta +592

The decay mode $\B^{0}_{s} \to D^{\mp}_{s} K^{\pm} $ allows for one of the theoretically cleanest measurements of the CKM angle $I^^{3}$ through the study of time-dependent $\ensuremat…

Observation of X(3872) production in pp collisions at sqrt(s)= 7 TeV

LHCb Collaboration, R. Aaij, C. Abellan Beteta +585

Using 34.7 pb-1 of data collected with the LHCb detector, the inclusive production of the X(3872) meson in pp collisions at sqrt(s) = 7 TeV is observed for the first time. Candidat…

Search for the rare decay $I^_{c}^{+} \to p I^¼^{+} I^¼^{-}$

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

A search for the flavor-changing neutral-current decay $I^_{c}^{+} \to p I^¼^{+} I^¼^{-}$ is reported using a data set corresponding to an integrated luminosity of $3.0 f b^{- 1}$ collect…

Measurement of the $B^{\pm}$ production cross-section in pp collisions at $s =$ 7 and 13 TeV

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

The production of $B^{\pm}$ mesons is studied in $pp$ collisions at centre-of-mass energies of 7 and 13 TeV, using $B^{\pm} \to J / I ¨ K^{\pm}$ decays and data samples correspo…

Angular analysis and differential branching fraction of the decay $B_{s}^{0} \to I ¨ I^¼^{+} I^¼^{-}$

LHCb collaboration, R. Aaij, B. Adeva +722

An angular analysis and a measurement of the differential branching fraction of the decay $B_{s}^{0} \to I ¨ I^¼^{+} I^¼^{-}$ are presented, using data corresponding to an integrated luminosity o…

Measurement of the $B ˉ_{s}^{0} \to D_{s}^{-} D_{s}^{+}$ and $B ˉ_{s}^{0} \to D^{-} D_{s}^{+}$ effective lifetimes

LHCb collaboration, R. Aaij, B. Adeva +672

The first measurement of the effective lifetime of the $B ˉ_{s}^{0}$ meson in the decay $B ˉ_{s}^{0} \to D_{s}^{-} D_{s}^{+}$ is reported using a proton-proton collision dataset, correspondi…

Search for the decay Bs -> D*-+ Ï+-

LHCb collaboration, R. Aaij, C. Abellan Beteta +619

A search for the decay Bs -> D*-+ Ï+- is presented using a data sample corresponding to an integrated luminosity of 1.0 fb-1 of pp collisions collected by LHCb. This decay is expe…

First observations of the rare decays $B^{+} - > K^{+} I ¨ ^{+} I ¨ ^{-} I^¼^{+} I^¼^{-}$ and $B^{+} - > I ¨ K^{+} I^¼^{+} I^¼^{-}$

LHCb collaboration, R. Aaij, B. Adeva +697

First observations of the rare decays $B^{+} \to K^{+} I ¨ ^{+} I ¨ ^{-} I^¼^{+} I^¼^{-}$ and $B^{+} \to I ¨ K^{+} I^¼^{+} I^¼^{-}$ are presented using data corresponding to an integrated luminosity of…

astro-ph2006

The Radial Velocity Experiment (RAVE): first data release

M. Steinmetz, T. Zwitter, A. Siebert +51

We present the first data release of the Radial Velocity Experiment (RAVE), an ambitious spectroscopic survey to measure radial velocities and stellar atmosphere parameters (temper…

Observation of the $I^_{b}^{0} \to I ¨ _{c 1} (3872) p K^{-}$ decay

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +903

Using proton-proton collision data, collected with the LHCb detector and corresponding to 1.0, 2.0 and 1.9fb $^{- 1}$ of integrated luminosity at the centre-of-mass energies of 7, 8,…

Enhanced production of $I^_{b}^{0}$ baryons in high-multiplicity $pp$ collisions at $s = 13$ TeV

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

The production rate of $I^_{b}^{0}$ baryons relative to $B^{0}$ mesons in $pp$ collisions at a center-of-mass energy $s = 13$ TeV is measured by the LHCb experiment. The rat…

First measurement of the $Z \to I^¼^{+} I^¼^{-}$ angular coefficients in the forward region of $pp$ collisions at $s = 13$ TeV

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

The first study of the angular distribution of $I^¼^{+} I^¼^{-}$ pairs produced in the forward rapidity region via the Drell-Yan reaction $pp \rightarrow Î³^{*}/Z +X \rightarrow l^+ l^-…

Observation of the $B_{s}^{0} \to J / I ¨ K_{S}^{0} K^{\pm} I ¨ ^{\mp}$ decay

LHCb collaboration, R. Aaij, B. Adeva +696

Decays of the form $B_{(s)}^{0} \to J / I ¨ K_{S}^{0} h^{+} h^{(') -}$ ( $h^{(')} = K, I ¨ $ ) are searched for in proton-proton collision data corresponding…

Quantum numbers of the $X (3872)$ state and orbital angular momentum in its $I ¨ ^{0} J I ¨ $ decay

LHCb collaboration, R. Aaij, C. Abellan Beteta +619

Angular correlations in $B^{+} \to X (3872) K^{+}$ decays, with $X (3872) \to I ¨ ^{0} J / I ¨ $ , $I ¨ ^{0} \to I ¨ ^{+} I ¨ ^{-}$ and $J / I ¨ \to I^¼^{+} I^¼^{-}$ , are used to measure orbital angular momentum contribution…

hep-ex2021

Measurement of CP violation in the decay $B^{+} \to K^{+} I ¨ ^{0}$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +960

A measurement of direct CP violation in the decay $B^{+} \to K^{+} I ¨ ^{0}$ is reported using a data sample corresponding to an integrated luminosity of 5.4 $\textrm{fb}^{-1…

Search for the lepton-flavour violating decays $B_{s}^{0} \to e^{\pm} I^¼^{\mp}$ and $B^{0} \to e^{\pm} I^¼^{\mp}$

LHCb collaboration, R. Aaij, B. Adeva +650

A search for the lepton-flavour violating decays $B_{s}^{0} \to e^{\pm} I^¼^{\mp}$ and $B^{0} \to e^{\pm} I^¼^{\mp}$ is performed with a data sample, corresponding to an integrated luminos…

Precision measurement of forward $Z$ boson production in proton-proton collisions at $s = 13$ TeV

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

A precision measurement of the $Z$ boson production cross-section at $s = 13$ TeV in the forward region is presented, using $pp$ collision data collected by the LHCb detecto…

hep-ex2026

Amplitude analysis of $B^{0} \to I^\cdot_{c} (1 S) K^{+} I ¨ ^{-}$ decays

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

An amplitude analysis of the $B^{0} \to I^\cdot_{c} (1 S) K^{+} I ¨ ^{-}$ decays with $I^\cdot_{c} (1 S) \to p p ˉ$ is performed using a sample corresponding to an integrated luminosity of…

First evidence for direct CP violation in beauty to charmonium decays

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

The $C P$ asymmetry and branching fraction of the CKM-suppressed decay $B^{+} \to J / I ¨ I ¨ ^{+}$ are precisely measured relative to the favoured decay $B^+\!\to…

nucl-ex2009

Multivariate side-band subtraction using probabilistic event weights

M. Williams, M. Bellis, C. A. Meyer

A common situation in experimental physics is to have a signal which can not be separated from a non-interfering background through the use of any cut. In this paper, we describe a…

First observation and measurement of the branching fraction for the decay $B_{s}^{0} \to D_{s}^{*\mp} K^{\pm}$

LHCb Collaboration, R. Aaij, B. Adeva +697

The first observation of the $B_{s}^{0} \to D_{s}^{*\mp} K^{\pm}$ decay is reported using 3.0 $f b^{- 1}$ of proton-proton collision data collected by the LHCb experiment. The $D_{s}^{*\mp}$ …

Measurement of J/psi production in pp collisions at sqrt(s)=2.76 TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +624

The production of J/psi mesons is studied with the LHCb detector using data from pp collisions at sqrt(s)=2.76 TeV corresponding to an integrated luminosity of 71 nb^-1. The differ…

Constraints on the CKM angle $I^^{3}$ from $B^{\pm} \to D h^{\pm}$ decays using $D \to h^{\pm} h^{' \mp} I ¨ ^{0}$ 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 $^{- 1}$ is used to measure eleven $C P$ violation observables in $B^{\pm} \to D h^{\pm}$ de…

Measurement of the CP-violating phase $I ¨ _{s}$ in $B_{s}^{0} \to J / I ¨ I ¨ ^{+} I ¨ ^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +697

The mixing-induced CP-violating phase $I ¨ _{s}$ in $B_{s}^{0}$ and $B_{s}^{0}$ decays is measured using the $J / I ¨ I ¨ ^{+} I ¨ ^{-}$ final state in data, taken from 3\,fb $^{- 1}$ of integra…

Forward production of $I^¥$ mesons in $pp$ collisions at $s = 7$ and 8TeV

LHCb collaboration, R. Aaij, B. Adeva +720

The production of $I^¥$ mesons in $pp$ collisions at $= 7$ and $8 TeV$ is studied with the LHCb detector using data samples corresponding to an integrated luminosity o…

First evidence for the annihilation decay mode $B^{+} \to D_{s}^{+} I ¨ $

LHCb collaboration, R. Aaij, C. Abellan Beteta +617

Evidence for the hadronic annihilation decay mode $B^{+} \to D_{s}^{+} I ¨ $ is found with greater than $3 I ¨ $ significance. The branching fraction and \CP asymmetry are measured to be \…

Search for the rare decay $D^{0} \to I^¼^{+} I^¼^{-}$

LHCb collaboration, R. Aaij, C. Abellan Beteta +634

A search for the rare decay $D^{0} \to I^¼^{+} I^¼^{-}$ is performed using a data sample, corresponding to an integrated luminosity of 0.9 fb $^{- 1}$ , of $pp$ collisions collected at a centr…

First observation of the $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay

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

The $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay is observed for the first time using proton-proton collision data collected by the LHCb detector at centre-of-mass energies of $7$ , $8$ …

Observation of the $B_{s}^{0} \to I^\cdot^{'} I^\cdot^{'}$ decay

LHCb collaboration, R. Aaij, B. Adeva +703

The first observation of the $B_{s}^{0} \to I^\cdot^{'} I^\cdot^{'}$ decay is reported. The study is based on a sample of proton-proton collisions corresponding to $3.0$ $f b^{- 1}$ of integrated lum…

Measurement of the $I^c ◯_{c}^{0}$ and $I^_{c}^{0}$ baryon lifetimes using hadronic $b$ -baryon decays

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

The lifetimes of the $I^c ◯_{c}^{0}$ and $I^_{c}^{0}$ baryons are measured using a $pp$ collision dataset collected by the LHCb experiment, corresponding to an integrated luminosity of $9~\rm…

Measurement of CP violation in the $B_{s}^{0} \to I ¨ I ¨ $ decay and search for the $B^{0} \to I ¨ I ¨ $ decay

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +868

A measurement of the time-dependent CP-violating asymmetry in $B_{s}^{0} \to I ¨ I ¨ $ decays is presented. Using a sample of proton-proton collision data corresponding to an integra…

quant-ph2014

STE-QUEST - Test of the Universality of Free Fall Using Cold Atom Interferometry

D. Aguilera, H. Ahlers, B. Battelier +63

The theory of general relativity describes macroscopic phenomena driven by the influence of gravity while quantum mechanics brilliantly accounts for microscopic effects. Despite th…

physics.acc-ph2023

Artificial Intelligence for the Electron Ion Collider (AI4EIC)

C. Allaire, R. Ammendola, E. -C. Aschenauer +92

The Electron-Ion Collider (EIC), a state-of-the-art facility for studying the strong force, is expected to begin commissioning its first experiments in 2028. This is an opportune t…

Measurement of $C P$ violation in $B^{0} \to D^{+} D^{-}$ and $B_{s}^{0} \to D_{s}^{+} D_{s}^{-}$ decays

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

A time-dependent, flavour-tagged measurement of $C P$ violation is performed with $B^{0} \to D^{+} D^{-}$ and $B_{s}^{0} \to D_{s}^{+} D_{s}^{-}$ decays, using data…

Measurement of the $B_{s}^{0} \to I^¼^{+} I^¼^{-}$ branching fraction and effective lifetime and search for $B^{0} \to I^¼^{+} I^¼^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +771

A search for the rare decays $B_{s}^{0} \to I^¼^{+} I^¼^{-}$ and $B^{0} \to I^¼^{+} I^¼^{-}$ is performed at the LHCb experiment using data collected in $pp$ collisions corresponding to a total integrated…

Study of $B_{c}^{+}$ meson decays to charmonia plus multihadron final states

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

Four decay modes of the $B_{c}^{+}$ meson into a $J / I ¨ $ meson and multiple charged kaons or pions are studied using proton-proton collision data, collected with the~LHCb detector at ce…

hep-ex2016

First observation of the decay $B_{s}^{0} \to K_{S}^{0} K^{*} (892)^{0}$

LHCb collaboration, R. Aaij, B. Adeva +713

A search for $B_{(s)}^{0} \to K_{S}^{0} K^{*} (892)^{0}$ decays is performed using $pp$ collision data, corresponding to an integrated luminosity of $1.0 fb^{- 1}$ , collected…

First observation of the $I^_{b}^{0} \to I^_{c}^{+} D_{s}^{-} K^{+} K^{-}$ decay and search for pentaquarks in the $I^_{c}^{+} D_{s}^{-}$ system

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

The $I^_{b}^{0} \to I^_{c}^{+} D_{s}^{-} K^{+} K^{-}$ decay is observed for the first time using the data sample from proton-proton collisions recorded at a center…

Observation of an excited $B_{c}^{+}$ state

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +848

Using $pp$ collision data corresponding to an integrated luminosity of $8.5 fb^{- 1}$ recorded by the LHCb experiment at centre-of-mass energies of $s = 7$ , $8$ and…

Study of $b b ˉ$ correlations in high energy proton-proton collisions

LHCb collaboration, R. Aaij, B. Adeva +802

Kinematic correlations for pairs of beauty hadrons, produced in high energy proton-proton collisions, are studied. The data sample used was collected with the LHCb experiment at ce…

hep-ex2026

Measurement of the CKM angle $I^^{3}$ in $B^{\pm} \to D (\to K_{S}^{0} h^{' +} h^{' -}) h^{\pm}$ decays with a novel approach

The BESIII, LHCb Collaborations, : +1903

A measurement of the CKM angle $I^^{3}$ and related strong-phase parameters is performed using a novel, model-independent approach in ${B^{\pm}\rightarrow D(\rightarrow K^{0}_{\rm S} h…

cs.DC2009

Ganga: a tool for computational-task management and easy access to Grid resources

J. T. MoÅcicki, F. Brochu, J. Ebke +17

In this paper, we present the computational task-management tool Ganga, which allows for the specification, submission, bookkeeping and post-processing of computational tasks on a…

Measurement of the inelastic $pp$ cross-section at a centre-of-mass energy of $s = 7$ TeV

LHCb collaboration, R. Aaij, B. Adeva +699

The cross-section for inelastic proton-proton collisions, with at least one prompt long-lived charged particle of transverse momentum $p_{T} > 0.2$ GeV/ $c$ in the pseudorapidity…

Observation of the decay $I^_{b}^{0} \to I^_{c}^{+} I ¨ ^{-} I^½_{I ¨} $

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

The first observation of the semileptonic $b$ -baryon decay $I^_{b}^{0} \to I^_{c}^{+} I ¨ ^{-} I^½_{I ¨} $ , with a significance of $6.1 I ¨ $ , is reported using a data sample corres…

Amplitude analysis of the $B^{0} \to K^{* 0} I^¼^{+} I^¼^{-}$ decay

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

An amplitude analysis of the $B^{0} \to K^{* 0} I^¼^{+} I^¼^{-}$ decay is presented using a dataset corresponding to an integrated luminosity of $4.7$ fb $^{- 1}$ of $pp$ collision data collec…

Search for the lepton-flavour violating decays $B^{0} \to K^{* 0} I^¼^{\pm} e^{\mp}$ and $B_{s}^{0} \to I ¨ I^¼^{\pm} e^{\mp}$

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

A search for the lepton-flavour violating decays $B^{0} \to K^{* 0} I^¼^{\pm} e^{\mp}$ and $B_{s}^{0} \to I ¨ I^¼^{\pm} e^{\mp}$ is presented, using proton-proton collision data collected by the LHCb…

Measurement of the forward $Z$ boson production cross-section in $pp$ collisions at $s$ = 7 TeV

LHCb collaboration, R. Aaij, B. Adeva +705

A measurement of the production cross-section for $Z$ bosons that decay to muons is presented. The data were recorded by the LHCb detector during $pp$ collisions at a centre-of-mas…

Precision measurement of $C P$ violation in $B_{s}^{0} \to J / I ¨ K^{+} K^{-}$ decays

R. Aaij, B. Adeva, M. Adinolfi +696

The time-dependent $C P$ asymmetry in $B_{s}^{0} \to J / I ¨ K^{+} K^{-}$ decays is measured using $pp$ collision data, corresponding to an integrated luminosity of $3.0$ fb $^{- 1}$ , collected wit…

Search for the radiative $I^_{b}^{-} \to I^^{-} I^^{3}$ decay

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

The first search for the rare radiative decay $I^_{b}^{-} \to I^^{-} I^^{3}$ is performed using data collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy o…

Observation of enhanced double parton scattering in proton-lead collisions at $s_{NN} = 8.16$ TeV

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +992

A study of prompt charm-hadron pair production in proton-lead collisions at $s_{NN} = 8.16$ TeV is performed using data corresponding to an integrated luminosity of ab…

nucl-ex2016

Study of $I ¨ (2 S)$ production and cold nuclear matter effects in pPb collisions at $s_{N N} = 5 TeV$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +732

The production of $I ¨ (2 S)$ mesons is studied in dimuon final states using proton-lead collision data collected by the LHCb detector. The data sample corresponds to an integrated lu…

Study of beauty hadron decays into pairs of charm hadrons

LHCb collaboration, R. Aaij, A. Abba +694

First observations of the decays $I^_{b}^{0} \to I^_{c}^{+} D_{(s)}^{-}$ are reported using data corresponding to an integrated luminosity of $3 fb^{- 1}$ collected at 7 and 8 TeV cent…

Observation of the suppressed decay $I^_{b}^{0} \to p I ¨ ^{-} I^¼^{+} I^¼^{-}$

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

The suppressed decay $I^_{b}^{0} \to p I ¨ ^{-} I^¼^{+} I^¼^{-}$ , excluding the $J / I ¨ $ and $I ¨ (2 S) \to I^¼^{+} I^¼^{-}$ resonances, is observed for the first time with a signif…

Precision measurement of the $B_{c}^{+}$ meson mass

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +905

A precision measurement of the $B_{c}^{+}$ meson mass is performed using proton-proton collision data collected with the LHCb experiment at centre-of-mass energies of $7, 8$ and $1…

Search for $C P$ violation in $D_{s}^{+} \to K_{S}^{0} I ¨ ^{+}$ , $D^{+} \to K_{S}^{0} K^{+}$ and $D^{+} \to I ¨ I ¨ ^{+}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +848

A search for charge-parity ( $C P$ ) violation in Cabibbo-suppressed $D_{s}^{+} \to K_{S}^{0} I ¨ ^{+}$ , $D^{+} \to K_{S}^{0} K^{+}$ and $D^{+} \to I ¨ I ¨ ^{+}$ decays is reported using proton-proton collision dat…

Amplitude analysis of $B^{0} \to D ˉ^{0} K^{+} I ¨ ^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +716

The Dalitz plot distribution of $B^{0} \to D ˉ^{0} K^{+} I ¨ ^{-}$ decays is studied using a data sample corresponding to $3.0 fb^{- 1}$ of $pp$ collision data recorded by the…

Measurement of the $I^\cdot_{c} (1 S)$ production cross-section in $pp$ collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +913

Using a data sample corresponding to an integrated luminosity of $2.0 f b^{- 1}$ , collected by the LHCb experiment, the production of the $I^\cdot_{c} (1 S)$ state in proton-proton collision…

Searches for Light Dark Matter and Evidence of Coherent Elastic Neutrino-Nucleus Scattering of Solar Neutrinos with the LUX-ZEPLIN (LZ) Experiment

D. S. Akerib, A. K. Al Musalhi, F. Alder +217

We present searches for light dark matter (DM) with masses 3-9 GeV/ $c^{2}$ in the presence of coherent elastic neutrino-nucleus scattering (CE $I^½$ NS) from $^{8}$ B solar neutrinos wit…

astro-ph.SR2012

Exploring the Morphology of RAVE Stellar Spectra

G. Matijevic, T. Zwitter, O. Bienayme +18

The RAdial Velocity Experiment (RAVE) is a medium resolution R~7500 spectroscopic survey of the Milky Way which already obtained over half a million stellar spectra. They present a…

Measurement of the W boson mass

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

The $W$ boson mass is measured using proton-proton collision data at $s = 13$ TeV corresponding to an integrated luminosity of 1.7 fb $^{- 1}$ recorded during 2016 by the LHCb e…

Precision luminosity measurements at LHCb

LHCb collaboration, R. Aaij, B. Adeva +701

Measuring cross-sections at the LHC requires the luminosity to be determined accurately at each centre-of-mass energy $s$ . In this paper results are reported from the lumino…

First observation of forward $Z \to b b ˉ$ production in $pp$ collisions at $s = 8$ TeV

LHCb collaboration, R. Aaij, B. Adeva +804

The decay $Z \to b b ˉ$ is reconstructed in $pp$ collision data, corresponding to 2 fb $^{- 1}$ of integrated luminosity, collected by the LHCb experiment at a centre-of-…

Search for the suppressed decays $B^{+} \to K^{+} K^{+} I ¨ ^{-}$ and $B^{+} \to I ¨ ^{+} I ¨ ^{+} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +761

A search is made for the highly-suppressed B meson decays $B^{+} \to K^{+} K^{+} I ¨ ^{-}$ and $B^{+} \to I ¨ ^{+} I ¨ ^{+} K^{-}$ using a data sample corresponding to an integ…

First observation of the $I^_{b}^{0} \to D^{+} D^{-} I^$ decay

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

The $I^_{b}^{0} \to D^{+} D^{-} I^$ decay is observed for the first time using proton-proton collision data collected by the LHCb experiment at a center-of-mass energy of $13 TeV$ …

astro-ph.SR2009

RAVE spectroscopy of luminous blue variables in the Large Magellanic Cloud

CONTEXT: The RAVE spectroscopic survey for galactic structure and evolution obtains 8400-8800 Ang spectra at 7500 resolving power at the UK Schmidt Telescope using the 6dF multi-fi…

Measurement of prompt charged-particle production in pp collisions at a centre-of-mass energy of 13 TeV

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +957

The differential cross-section of prompt inclusive production of long-lived charged particles in proton-proton collisions is measured using a data sample recorded by the LHCb exper…

nucl-ex2016

Measurements of long-range near-side angular correlations in $s_{NN} = 5$ TeV proton-lead collisions in the forward region

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +732

Two-particle angular correlations are studied in proton-lead collisions at a nucleon-nucleon centre-of-mass energy of $s_{NN} = 5$ TeV, collected with the LHCb detector…

Measurement of the Bs effective lifetime in the J/psi f0(980) final state

LHCb Collaboration, R. Aaij, C. Abellan Beteta +618

The effective lifetime of the Bs meson in the decay mode Bs->J/Ïf0(980) is measured using 1.0/fb of data collected in pp collisions at sqrt(s) = 7 TeV with the LHCb detector. The…

nucl-ex2019

A direct measurement of the 17O(a,g)21Ne reaction in inverse kinematics and its impact on heavy element production

M. P. Taggart, C. Akers, A. M. Laird +33

During the slow neutron capture process in massive stars, reactions on light elements can both produce and absorb neutrons thereby influencing the final heavy element abundances. A…

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…

astro-ph2007

The RAVE Survey: Constraining the Local Galactic Escape Speed

M. C. Smith, G. R. Ruchti, A. Helmi +20

We report new constraints on the local escape speed of our Galaxy. Our analysis is based on a sample of high velocity stars from the RAVE survey and two previously published datase…

Opposite-side flavour tagging of B mesons at the LHCb experiment

LHCb Collaboration, R. Aaij, C. Abellan Beteta +594

The calibration and performance of the opposite-side flavour tagging algorithms used for the measurements of time-dependent asymmetries at the LHCb experiment are described. The al…

Measurement of CP violation in the phase space of $B^{\pm} \to K^{\pm} I ¨ ^{+} I ¨ ^{-}$ and $B^{\pm} \to K^{\pm} K^{+} K^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +647

The charmless decays $B^{\pm} \to K^{\pm} I ¨ ^{+} I ¨ ^{-}$ and $B^{\pm} \to K^{\pm} K^{+} K^{-}$ are reconstructed using data, corresponding to an integrated luminosity of 1.0 fb $^{- 1}$ , collected…

Measurement of the CKM angle $I^^{3}$ in the $B^{0} \to D K^{* 0}$ channel using self-conjugate $D \to K_{S}^{0} h^{+} h^{-}$ decays

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

A model-independent study of CP violation in $B^{0} \to D K^{* 0}$ decays is presented using data corresponding to an integrated luminosity of 9fb $^{- 1}$ collected by the LHCb experime…

Search for $D^{0}$ meson decays to $I ¨ ^{+} I ¨ ^{-} e^{+} e^{-}$ and $K^{+} K^{-} e^{+} e^{-}$ final states

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

A search for $D^{0}$ meson decays to the $I ¨ ^{+} I ¨ ^{-} e^{+} e^{-}$ and $K^{+} K^{-} e^{+} e^{-}$ final states is reported using a sample of proton-proton collisions collected by the LHCb experiment at a…

Searches for $I^_{b}^{0}$ and $I^_{b}^{0}$ decays to $K_{S}^{0} p I ¨ ^{-}$ and $K_{S}^{0} p K^{-}$ final states with first observation of the $I^_{b}^{0} \to K_{S}^{0} p I ¨ ^{-}$ decay

LHCb collaboration, R. Aaij, B. Adeva +671

A search for previously unobserved decays of beauty baryons to the final states $K_{S}^{0} p I ¨ ^{-}$ and $K_{S}^{0} p K^{-}$ is reported. The…

nucl-ex2016

First Results from The GlueX Experiment

The GlueX Collaboration, H. Al Ghoul, E. G. Anassontzis +108

The GlueX experiment at Jefferson Lab ran with its first commissioning beam in late 2014 and the spring of 2015. Data were collected on both plastic and liquid hydrogen targets, an…

Search for the decay $B^{0} \to I ¨ I ¨ $

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

A search for the decay $B^{0} \to I ¨ I ¨ $ is made using $pp$ collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an…

Measurement of the $C P$ asymmetry in $B^{-} \to D_{s}^{-} D^{0}$ and $B^{-} \to D^{-} D^{0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +787

The $C P$ asymmetry in $B^{-} \to D_{s}^{-} D^{0}$ and $B^{-} \to D^{-} D^{0}$ decays is measured using LHCb data corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ , collected in $pp$ collisi…

physics.ins-det2019

Initial operation of the recoil mass spectrometer EMMA at the ISAC-II facility of TRIUMF

B. Davids, M. Williams, N. E. Esker +8

The Electromagnetic Mass Analyser (EMMA) is a new vacuum-mode recoil mass spectrometer currently undergoing the final stages of commissioning at the ISAC-II facility of TRIUMF. EMM…

hep-ex2016

Studies of the resonance structure in $D^{0} \to K_{S}^{0} K^{\pm} I ¨ ^{\mp}$ decays

LHCb collaboration, R. Aaij, B. Adeva +722

Amplitude models are applied to studies of resonance structure in $D^{0} \to K_{S}^{0} K^{-} I ¨ ^{+}$ and $D^{0} \to K_{S}^{0} K^{+} I ¨ ^{-}$ decays using $pp$ collision data corresponding to an integrate…

Observation of charmonium pairs produced exclusively in $pp$ collisions

R. Aaij, B. Adeva, M. Adinolfi +700

A search is performed for the central exclusive production of pairs of charmonia produced in proton-proton collisions. Using data corresponding to an integrated luminosity of $3{\r…

Measurement of $C P$ asymmetries in $D^{\pm} \to I^\cdot^{'} I ¨ ^{\pm}$ and $D_{s}^{\pm} \to I^\cdot^{'} I ¨ ^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +770

A search for $C P$ violation in $D^{\pm} \to I^\cdot^{'} I ¨ ^{\pm}$ and $D_{s}^{\pm} \to I^\cdot^{'} I ¨ ^{\pm}$ decays is performed using proton-proton collision data, c…

Measurements of $C P$ violation in the three-body phase space of charmless $B^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +701

The charmless three-body decay modes $B^{\pm} \to K^{\pm} I ¨ ^{+} I ¨ ^{-}$ , $B^{\pm} \to K^{\pm} K^{+} K^{-}$ , $B^{\pm} \to I ¨ ^{\pm} K^{+} K^{-}$ and $B^{\pm}…

hep-th2014

Gravitational Forces on a Codimension-2 Brane

C. P. Burgess, L. van Nierop, M. Williams

We compute the gravitational response of six dimensional gauged, chiral supergravity to localized stress energy on one of two space-filling branes, including the effects of compact…

Constraints on the photon polarisation in $b \to s I^^{3}$ transitions using $B_{s}^{0} \to I ¨ e^{+} e^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1124

An angular analysis of the $B_{s}^{0} \to I ¨ e^{+} e^{-}$ decay is performed using the proton-proton collision dataset collected between 2011 and 2018 by the LHCb experiment, corresp…