A. Vallier

activity

20132022

most citedAngular analysis and differential branching fraction of the decay

B_{s}^{0} \to ϕ μ^{+} μ^{-}

313 citations · 821 across the 24 of their papers we have counts for

collaborators

24 papers

physics.ins-det2022★ 1 cited

Reconstruction of Large Radius Tracks with the Exa.TrkX pipeline

Chun-Yi Wang, Xiangyang Ju, Shih-Chieh Hsu +22

Particle tracking is a challenging pattern recognition task at the Large Hadron Collider (LHC) and the High Luminosity-LHC. Conventional algorithms, such as those based on the Kalm…

physics.ins-det2022

The Phase-I Trigger Readout Electronics Upgrade of the ATLAS Liquid Argon Calorimeters

G. Aad, A. V. Akimov, K. Al Khoury +195

The Phase-I trigger readout electronics upgrade of the ATLAS Liquid Argon calorimeters enhances the physics reach of the experiment during the upcoming operation at increasing Larg…

physics.ins-det2020★ 24 cited

Calibration and performance of the LHCb calorimeters in Run 1 and 2 at the LHC

C. Abellán Beteta, A. Alfonso Albero, Y. Amhis +84

The calibration and performance of the LHCb Calorimeter system in Run 1 and 2 at the LHC are described. After a brief description of the sub-detectors and of their role in the trig…

hep-ex2017★ 26 cited

Observation of the suppressed decay $Λ_{b}^{0} \to p π^{-} μ^{+} μ^{-}$

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

The suppressed decay $Λ_{b}^{0} \to p π^{-} μ^{+} μ^{-}$ , excluding the $J / ψ$ and $ψ (2 S) \to μ^{+} μ^{-}$ resonances, is observed for the first time with a significance o…

hep-ex2017★ 12 cited

Measurement of $C P$ asymmetries in $D^{\pm} \to η^{'} π^{\pm}$ and $D_{s}^{\pm} \to η^{'} π^{\pm}$ decays

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

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

hep-ex2016★ 15 cited

Search for $C P$ violation in the phase space of $D^{0} \to π^{+} π^{-} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +769

A search for time-integrated $C P$ violation in the Cabibbo-suppressed decay $\mbox{$D^0\rightarrowπ^+π^-π^+π^-$}$ is performed using an unbinned, model-independent technique known…

hep-ex2016★ 12 cited

Evidence for the two-body charmless baryonic decay $B^{+} \to p Λ ˉ$

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

A search for the rare two-body charmless baryonic decay $B^{+} \to p Λ ˉ$ is performed with $pp$ collision data, corresponding to an integrated luminosity of $3\,\mbox{fb}^{-1}$, c…

hep-ex2016★ 19 cited

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…

hep-ex2016★ 20 cited

New algorithms for identifying the flavour of $B^{0}$ mesons using pions and protons

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

Two new algorithms for use in the analysis of $pp$ collision are developed to identify the flavour of $B^{0}$ mesons at production using pions and protons from the hadronization proc…

hep-ex2016★ 31 cited

Observation of the decay $B_{s}^{0} \to ϕ π^{+} π^{-}$ and evidence for $B^{0} \to ϕ π^{+} π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +764

The first observation of the rare decay $B_{s}^{0} \to ϕ π^{+} π^{-}$ and evidence for $B^{0} \to ϕ π^{+} π^{-}$ are reported, using $pp$ collision data recorded by the LHCb detector at centre-of-mas…

hep-ex2016★ 11 cited

Search for the $C P$ -violating strong decays $η \to π^{+} π^{-}$ and $η^{'} (958) \to π^{+} π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +769

A search for the $C P$ -violating strong decays $η \to π^{+} π^{-}$ and $η^{'} (958) \to π^{+} π^{-}$ has been performed using approximately $2.5 \times 1 0^{7}$ events of each of the decays…

hep-ex2016★ 5 cited

Observation of $B^{+} \to J / ψ 3 π^{+} 2 π^{-}$ and $B^{+} \to ψ (2 S) π^{+} π^{+} π^{-}$ decays

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

The decays $B^{+} \to J / ψ 3 π^{+} 2 π^{-}$ and $B^{+} \to ψ (2 S) π^{+} π^{+} π^{-}$ are observed for the first time using a data sample corresponding to an integrated luminosity of $3.0f…

hep-ex2016★ 44 cited

First study of the CP-violating phase and decay-width difference in $B_{s}^{0} \to ψ (2 S) ϕ$ decays

LHCb collaboration, R. Aaij, B. Adeva +765

A time-dependent angular analysis of $B_{s}^{0} \to ψ (2 S) ϕ$ decays is performed using data recorded by the LHCb experiment. The data set corresponds to an integrated luminosity of 3.0\in…

hep-ex2016★ 112 cited

Amplitude analysis of $B^{-} \to D^{+} π^{-} π^{-}$ decays

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

The Dalitz plot analysis technique is used to study the resonant substructures of $B^{-} \to D^{+} π^{-} π^{-}$ decays in a data sample corresponding to 3.0 $fb^{- 1}$ of $pp$ …

hep-ex2016★ 13 cited

Measurement of the $B_{s}^{0} \to J / ψ η$ lifetime

LHCb collaboration, R. Aaij, B. Adeva +753

Using a data set corresponding to an integrated luminosity of $3 f b^{- 1}$ , collected by the LHCb experiment in $pp$ collisions at centre-of-mass energies of 7 and 8 TeV, the effect…

hep-ex2016★ 11 cited

Observation of the $B_{s}^{0} \to J / ψ ϕϕ$ decay

LHCb collaboration, R. Aaij, B. Adeva +721

The $B_{s}^{0} \to J / ψ ϕϕ$ decay is observed in $pp$ collision data corresponding to an integrated luminosity of 3 fb $^{- 1}$ recorded by the LHCb detector at centre-of-mass ener…

hep-ex2015★ 9 cited

Search for the rare decays $B^{0} \to J / ψ γ$ and $B_{s}^{0} \to J / ψ γ$

LHCb collaboration, R. Aaij, C. Abellán Beteta +725

A search for the rare decay of a $B^{0}$ or $B_{s}^{0}$ meson into the final state $J / ψ γ$ is performed, using data collected by the LHCb experiment in $pp$ collisions at $\sqrt{s}=…

hep-ex2015★ 27 cited

Measurement of $C P$ violation parameters and polarisation fractions in $B_{s}^{0} \to J / ψ K^{* 0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +721

The first measurement of $C P$ asymmetries in the decay $B_{s}^{0} \to J / ψ K^{*} (892)^{0}$ and an updated measurement of its branching fraction and polarisation fractions…

hep-ex2015★ 25 cited

Measurement of the branching fraction ratio $B (B_{c}^{+} \to ψ (2 S) π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

LHCb collaboration, R. Aaij, B. Adeva +721

Using $pp$ collision data collected by LHCb at center-of-mass energies $s$ = 7 TeV and 8 TeV, corresponding to an integrated luminosity of 3 fb $^{- 1}$ , the ratio of the bran…

hep-ex2015★ 313 cited

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

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

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

hep-ex2014★ 24 cited

Study of the rare $B_{s}^{0}$ and $B^{0}$ decays into the $π^{+} π^{-} μ^{+} μ^{-}$ final state

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

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

hep-ex2013★ 12 cited

Measurement of the charge asymmetry in $B^{\pm} \to ϕ K^{\pm}$ and search for $B^{\pm} \to ϕ π^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +655

The \CP-violating charge asymmetry in $B^{\pm} \to ϕ K^{\pm}$ decays is measured in a sample of $pp$ collisions at 7 TeV centre-of-mass energy, corresponding to an integrated…

hep-ex2013★ 18 cited

Observation of the decay $B_{s}^{0} \to D ˉ^{0} ϕ$

The LHCb collaboration, R. Aaij, B. Adeva +655

First observation of the decay Bs -> D0bar phi is reported using pp collision data, corresponding to an integrated luminosity of 1.0 fb^-1, collected by the LHCb experiment at a ce…

hep-ex2013★ 37 cited

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

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

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

Reconstruction of Large Radius Tracks with the Exa.TrkX pipeline

The Phase-I Trigger Readout Electronics Upgrade of the ATLAS Liquid Argon Calorimeters

Calibration and performance of the LHCb calorimeters in Run 1 and 2 at the LHC

Observation of the suppressed decay Λb0​→pπ−μ+μ−

Measurement of CP asymmetries in D±→η′π± and Ds±​→η′π± decays

Search for CP violation in the phase space of D0→π+π−π+π− decays

Evidence for the two-body charmless baryonic decay B+→pΛˉ

Measurement of forward tt, W+bb and W+cc production in pp collisions at s​=8 TeV

New algorithms for identifying the flavour of B0 mesons using pions and protons

Observation of the decay Bs0​→ϕπ+π− and evidence for B0→ϕπ+π−

Search for the CP-violating strong decays η→π+π− and η′(958)→π+π−

Observation of B+→J/ψ3π+2π− and B+→ψ(2S)π+π+π− decays

First study of the CP-violating phase and decay-width difference in Bs0​→ψ(2S)ϕ decays

Amplitude analysis of B−→D+π−π− decays

Measurement of the Bs0​→J/ψη lifetime

Observation of the Bs0​→J/ψϕϕ decay

Search for the rare decays B0→J/ψγ and Bs0​→J/ψγ

Measurement of CP violation parameters and polarisation fractions in Bs0​→J/ψK∗0 decays

Measurement of the branching fraction ratio B(Bc+​→ψ(2S)π+)/B(Bc+​→J/ψπ+)

Angular analysis and differential branching fraction of the decay Bs0​→ϕμ+μ−

Study of the rare Bs0​ and B0 decays into the π+π−μ+μ− final state

Measurement of the charge asymmetry in B±→ϕK± and search for B±→ϕπ± decays

Observation of the decay Bs0​→Dˉ0ϕ

Search for the lepton-flavour violating decays Bs0​→e±μ∓ and B0→e±μ∓

Observation of the suppressed decay $Λ_{b}^{0} \to p π^{-} μ^{+} μ^{-}$

Measurement of $C P$ asymmetries in $D^{\pm} \to η^{'} π^{\pm}$ and $D_{s}^{\pm} \to η^{'} π^{\pm}$ decays

Search for $C P$ violation in the phase space of $D^{0} \to π^{+} π^{-} π^{+} π^{-}$ decays

Evidence for the two-body charmless baryonic decay $B^{+} \to p Λ ˉ$

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

New algorithms for identifying the flavour of $B^{0}$ mesons using pions and protons

Observation of the decay $B_{s}^{0} \to ϕ π^{+} π^{-}$ and evidence for $B^{0} \to ϕ π^{+} π^{-}$

Search for the $C P$ -violating strong decays $η \to π^{+} π^{-}$ and $η^{'} (958) \to π^{+} π^{-}$

Observation of $B^{+} \to J / ψ 3 π^{+} 2 π^{-}$ and $B^{+} \to ψ (2 S) π^{+} π^{+} π^{-}$ decays

First study of the CP-violating phase and decay-width difference in $B_{s}^{0} \to ψ (2 S) ϕ$ decays

Amplitude analysis of $B^{-} \to D^{+} π^{-} π^{-}$ decays

Measurement of the $B_{s}^{0} \to J / ψ η$ lifetime

Observation of the $B_{s}^{0} \to J / ψ ϕϕ$ decay

Search for the rare decays $B^{0} \to J / ψ γ$ and $B_{s}^{0} \to J / ψ γ$

Measurement of $C P$ violation parameters and polarisation fractions in $B_{s}^{0} \to J / ψ K^{* 0}$ decays

Measurement of the branching fraction ratio $B (B_{c}^{+} \to ψ (2 S) π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

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

Study of the rare $B_{s}^{0}$ and $B^{0}$ decays into the $π^{+} π^{-} μ^{+} μ^{-}$ final state

Measurement of the charge asymmetry in $B^{\pm} \to ϕ K^{\pm}$ and search for $B^{\pm} \to ϕ π^{\pm}$ decays

Observation of the decay $B_{s}^{0} \to D ˉ^{0} ϕ$

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