A. Rossi

activity

20102023

most citedEvidence for an excess of B -> D(*) Tau Nu decays

857 citations · 4.4k across the 51 of their papers we have counts for

collaborators

52 papers

hep-ex2023★ 11 cited

Search for $B$ Mesogenesis at BABAR

BABAR Collaboration, J. P. Lees, V. Poireau +239

A new mechanism has been proposed to simultaneously explain the presence of dark matter and the matter-antimatter asymmetry in the universe. This scenario predicts exotic $B$ meson…

hep-ex2021

Search for an Axion-Like Particle in B Meson Decays

The BABAR Collaboration

Axion-like particles (ALPs) are predicted in many extensions of the Standard Model, and their masses can naturally be well below the electroweak scale. In the presence of couplings…

hep-ex2021★ 1 cited

Search for Lepton Flavor Violation in $Υ (3 S) \to e^{\pm} μ^{\mp}$

BABAR Collaboration

We report on the first search for electron-muon lepton flavor violation (LFV) in the decay of a $b$ ~quark and $b$ ~antiquark bound state. We look for the LFV decay $Υ(3S)\rightarrow…

hep-ex2021★ 40 cited

Light meson spectroscopy from Dalitz plot analyses of $η_{c}$ decays to $η^{'} K^{+} K^{-}$ , $η^{'} π^{+} π^{-}$ , and $η π^{+} π^{-}$ produced in two-photon interactions

J. P. Lees

We study the processes $γ γ \to η_{c} \to η^{'} K^{+} K^{-}$ , $η^{'} π^{+} π^{-}$ , and $η π^{+} π^{-}$ using a data sample of 519 $f b^{- 1}$ recorded with the BaBar detector operating at the SLAC PEP-II a…

hep-ex2019★ 31 cited

Measurements of the Absolute Branching Fractions of $B^{\pm} \to K^{\pm} X_{c c ˉ}$

J. P. Lees, V. Poireau, V. Tisserand +232

A study of the two body decays $B^{\pm} \to X_{c c ˉ} K^{\pm}$ , where X $_{c c ˉ}$ refers to one charmonium state, is reported by BaBar collaboration using a data sample of 42…

hep-ex2018★ 34 cited

Study of the reactions $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} γ$ and $π^{+} π^{-} π^{0} π^{0} η γ$ at center-of-mass energies from threshold to 4.35 GeV using initial-state radiation

J. P. Lees

We study the processes $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} γ$ and $π^{+} π^{-} π^{0} π^{0} η γ$ in which an energetic photon is radiated from the initial state. The data were collected with the BaBar~ det…

hep-ex2018★ 20 cited

Search for a Stable Six-Quark State at BABAR

Bertrand Echenard

Recent investigations have suggested that the six-quark combination uuddss could be a deeply bound state (S) that has eluded detection so far, and a potential dark matter candidate…

hep-ex2018★ 32 cited

Measurement of $cos 2 β$ in $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays by a combined time-dependent Dalitz plot analysis of BaBar and Belle data

The BaBar, Belle Collaborations, : +407

We report measurements of $sin 2 β$ and $cos 2 β$ from a time-dependent Dalitz plot analysis of $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays, where the lig…

hep-ex2017★ 11 cited

Dalitz plot analyses of $J / ψ \to π^{+} π^{-} π^{0}$ , $J / ψ \to K^{+} K^{-} π^{0}$ , and $J / ψ \to K_{S}^{0} K^{\pm} π^{\mp}$ produced via $e^{+} e^{-}$ annihilation with initial-state radiation

The BaBar Collaboration

We study the processes $e^{+} e^{-} \to γ_{ISR} J / ψ$ where $J / ψ \to π^{+} π^{-} π^{0}$ , $J / ψ \to K^{+} K^{-} π^{0}$ , and $J / ψ \to K_{S}^{0} K^{\pm} π^{\mp}$ using a data sample of 519 $f b^{- 1}$ rec…

hep-ex2016★ 24 cited

Measurement of the inclusive electron spectrum from B meson decays and determination of |Vub|

The BABAR Collaboration

Based on the full BaBar data sample of 466.5 million BBbar pairs, we present measurements of the electron spectrum from semileptonic B meson decays. We fit the inclusive electron s…

hep-ex2016★ 9 cited

Measurement of the B^0 -> D^*- pi^+ pi^- pi^+ branching fraction

The BABAR Collaboration

Using a sample of (470.9 +- 2.8) x 10^6 BB-bar pairs, we measure the decay branching fraction B(B^0 -> D^*- pi^+ pi^- pi^+) = (7.26 +- 0.11 +- 0.31) x 10^-3, where the first uncert…

hep-ex2016★ 198 cited

Search for a muonic dark force at BABAR

The BABAR Collaboration

Many models of physics beyond the Standard Model predict the existence of new Abelian forces with new gauge bosons mediating interactions between "dark sectors" and the Standard Mo…

hep-ex2016★ 64 cited

Search for $B^{+} \to K^{+} τ^{+} τ^{-}$ at the BaBar experiment

The BaBar Collaboration

We search for the rare flavor-changing neutral current process $B^{+} \to K^{+} τ^{+} τ^{-}$ using data from the BABAR experiment. The data sample, collected at the center-of-…

hep-ex2015★ 20 cited

Measurement of the I=1/2 $K π$ $S$ -wave amplitude from Dalitz plot analyses of $η_{c} \to K K ˉ π$ in two-photon interactions

The BABAR Collaboration, J. P. Lees, others

We study the processes $γ γ \to K_{S}^{0} K^{\pm} π^{\mp}$ and $γ γ \to K^{+} K^{-} π^{0}$ using a data sample of 519~ $f b^{- 1}$ recorded with the BaBar detector operating at the SLAC PEP-II asymm…

hep-ex2015★ 59 cited

Measurement of Angular Asymmetries in the Decays B->K*l+l-

Babar Collaboration

We study the lepton forward-backward asymmetry AFB and the longitudinal K* polarization FL, as well as an observable P2 derived from them, in the rare decays B->K*l+l-, where l+l-…

hep-ex2015★ 25 cited

Study of the $e^{+} e^{-} \to K^{+} K^{-}$ reaction in the energy range from 2.6 to 8.0 GeV

The BABAR Collaboration

The $e^{+} e^{-} \to K^{+} K^{-}$ cross section and charged-kaon electromagnetic form factor are measured in the $e^{+} e^{-}$ center-of-mass energy range ( $E$ ) from 2.6 to 8.0 GeV using the initi…

hep-ex2015★ 3 cited

Search for CP violation In B0-B0bar mixing using partial reconstruction of B0bar -> D*+Xl-nubar and kaon tagging

The BABAR Collaboration

We describe in detail a previously published measurement of CP violation induced by B0-anti B0 oscillations, based on an integrated luminosity of 425.7 fb-1 collected by the BABAR…

hep-ex2015

First Observation of CP Violation in B0->D(*)CP h0 Decays by a Combined Time-Dependent Analysis of BaBar and Belle Data

The BaBar, Belle Collaborations, : +471

We report a measurement of the time-dependent CP asymmetry of B0->D(*)CP h0 decays, where the light neutral hadron h0 is a pi0, eta or omega meson, and the neutral D meson is recon…

hep-ex2015★ 17 cited

Evidence for $C P$ violation in $B^{+} \to K^{*} (892)^{+} π^{0}$ from a Dalitz plot analysis of $B^{+} \to K_{S}^{0} π^{+} π^{0}$ decays

J. P. Lees

We report a Dalitz plot analysis of charmless hadronic decays of charged $B$ mesons to the final state $K_{S}^{0} π^{+} π^{0}$ using the full BaBar dataset of $470.9 \pm 2.8$ milli…

hep-ex2014★ 42 cited

Measurement of the $D^{0} \to π^{-} e^{+} ν_{e}$ differential decay branching fraction as a function of $q^{2}$ and study of form factor parameterizations

J. P. Lees

Based on a sample of 500 million $e^{+} e^{-} \to c c ˉ$ events recorded by the BaBar detector at c.m. energies of close to 10.6 GeV, we report on a study of the decay $D^0 \to π^- e^…

hep-ex2014★ 40 cited

Dalitz plot analyses of $B^{0} \to D^{-} D^{0} K^{+}$ and $B^{+} \to D^{0} D^{0} K^{+}$ decays

The BABAR Collaboration, J. P. Lees, others

We present Dalitz plot analyses for the decays of $B$ mesons to $D^{-} D^{0} K^{+}$ and $D^{0} D^{0} K^{+}$ . We report the observation of the $D_{s 1}^{*} (2700)^{+}$ resonance in these…

hep-ex2014★ 19 cited

Study of CP asymmetry in B0-B0bar mixing with inclusive dilepton events

The BABAR Collaboration, J. P. Lees, others

We present a measurement of the asymmetry $A_{C P}$ between same-sign inclusive dilepton samples $ℓ^{+} ℓ^{+}$ and $ℓ^{-} ℓ^{-}$ ( $ℓ = e, μ$ ) from semileptonic B decays in Y(4…

hep-ex2014★ 10 cited

Bottomonium spectroscopy and radiative transitions involving the chi_bJ(1P,2P) states at BABAR

J. P. Lees

We use $(121 \pm 1)$ million $Υ (3 S)$ and $(98 \pm 1)$ million $Υ (2 S)$ mesons recorded by the BABAR detector at the PEP-II $e^{+} e^{-}$ collider at SLAC to perform a study of radiative tran…

hep-ex2014★ 524 cited

Search for a dark photon in e+e- collisions at BABAR

The BABAR Collaboration

Dark sectors charged under a new Abelian force have recently received much attention in the context of dark matter models. These models introduce a light new mediator, the so-calle…

Search for B Mesogenesis at BABAR

Search for an Axion-Like Particle in B Meson Decays

Search for Lepton Flavor Violation in Υ(3S)→e±μ∓

Light meson spectroscopy from Dalitz plot analyses of ηc​ decays to η′K+K−, η′π+π−, and ηπ+π− produced in two-photon interactions

Measurements of the Absolute Branching Fractions of B±→K±Xccˉ​

Study of the reactions e+e−→π+π−π0π0π0γ and π+π−π0π0ηγ at center-of-mass energies from threshold to 4.35 GeV using initial-state radiation

Search for a Stable Six-Quark State at BABAR

Measurement of cos2β in B0→D(∗)h0 with D→KS0​π+π− decays by a combined time-dependent Dalitz plot analysis of BaBar and Belle data

Dalitz plot analyses of J/ψ→π+π−π0, J/ψ→K+K−π0, and J/ψ→KS0​K±π∓ produced via e+e− annihilation with initial-state radiation

Measurement of the inclusive electron spectrum from B meson decays and determination of |Vub|

Measurement of the B^0 -> D^*- pi^+ pi^- pi^+ branching fraction

Search for a muonic dark force at BABAR

Search for B+→K+τ+τ− at the BaBar experiment

Measurement of the I=1/2 Kπ S-wave amplitude from Dalitz plot analyses of ηc​→KKˉπ in two-photon interactions

Measurement of Angular Asymmetries in the Decays B->K*l+l-

Study of the e+e−→K+K− reaction in the energy range from 2.6 to 8.0 GeV

Search for CP violation In B0-B0bar mixing using partial reconstruction of B0bar -> D*+Xl-nubar and kaon tagging

First Observation of CP Violation in B0->D(*)CP h0 Decays by a Combined Time-Dependent Analysis of BaBar and Belle Data

Evidence for CP violation in B+→K∗(892)+π0 from a Dalitz plot analysis of B+→KS0​π+π0 decays

Measurement of the D0→π−e+νe​ differential decay branching fraction as a function of q2 and study of form factor parameterizations

Dalitz plot analyses of B0→D−D0K+ and B+→D0D0K+ decays

Study of CP asymmetry in B0-B0bar mixing with inclusive dilepton events

Bottomonium spectroscopy and radiative transitions involving the chi_bJ(1P,2P) states at BABAR

Search for a dark photon in e+e- collisions at BABAR

Search for $B$ Mesogenesis at BABAR

Search for Lepton Flavor Violation in $Υ (3 S) \to e^{\pm} μ^{\mp}$

Light meson spectroscopy from Dalitz plot analyses of $η_{c}$ decays to $η^{'} K^{+} K^{-}$ , $η^{'} π^{+} π^{-}$ , and $η π^{+} π^{-}$ produced in two-photon interactions

Measurements of the Absolute Branching Fractions of $B^{\pm} \to K^{\pm} X_{c c ˉ}$

Study of the reactions $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} γ$ and $π^{+} π^{-} π^{0} π^{0} η γ$ at center-of-mass energies from threshold to 4.35 GeV using initial-state radiation

Measurement of $cos 2 β$ in $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays by a combined time-dependent Dalitz plot analysis of BaBar and Belle data

Dalitz plot analyses of $J / ψ \to π^{+} π^{-} π^{0}$ , $J / ψ \to K^{+} K^{-} π^{0}$ , and $J / ψ \to K_{S}^{0} K^{\pm} π^{\mp}$ produced via $e^{+} e^{-}$ annihilation with initial-state radiation

Search for $B^{+} \to K^{+} τ^{+} τ^{-}$ at the BaBar experiment

Measurement of the I=1/2 $K π$ $S$ -wave amplitude from Dalitz plot analyses of $η_{c} \to K K ˉ π$ in two-photon interactions

Study of the $e^{+} e^{-} \to K^{+} K^{-}$ reaction in the energy range from 2.6 to 8.0 GeV

Evidence for $C P$ violation in $B^{+} \to K^{*} (892)^{+} π^{0}$ from a Dalitz plot analysis of $B^{+} \to K_{S}^{0} π^{+} π^{0}$ decays

Measurement of the $D^{0} \to π^{-} e^{+} ν_{e}$ differential decay branching fraction as a function of $q^{2}$ and study of form factor parameterizations

Dalitz plot analyses of $B^{0} \to D^{-} D^{0} K^{+}$ and $B^{+} \to D^{0} D^{0} K^{+}$ decays