Université Paris Cité

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19922026

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2019 · hep-exShow all

28 papers · 2 filters

hep-ex2019★ 19 cited

Resonances in $e^{+} e^{-}$ annihilation near 2.2 GeV

The BABAR Collaboration

Using the initial-state radiation method, the $e^{+} e^{-} \to K_{S} K_{L}$ cross section from 1.98 to 2.54 GeV is measured in a data sample of 469 fb $^{- 1}$ collected with the BABAR detect…

hep-ex2019★ 30 cited

Measurement of neutrino and antineutrino neutral-current quasielastic-like interactions on oxygen by detecting nuclear de-excitation $γ$ -rays

K. Abe, R. Akutsu, A. Ali +330

Neutrino- and antineutrino-oxygen neutral-current quasielastic-like interactions are measured at Super-Kamiokande using nuclear de-excitation $γ$ -rays to identify signal-like inter…

hep-ex2019★ 31 cited

Determination of quantum numbers for several excited charmed mesons observed in $B^{-} \to D^{*+} π^{-} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +907

A four-body amplitude analysis of the $B^{-} \to D^{*+} π^{-} π^{-}$ decay is performed, where fractions and relative phases of the various resonances contributing to the decay are measu…

hep-ex2019★ 37 cited

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

LHCb collaboration, R. Aaij, C. Abellán 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 $η_{c} (1 S)$ state in proton-proton collisions…

hep-ex2019★ 21 cited

Updated measurement of decay-time-dependent CP asymmetries in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +910

A search for decay-time-dependent charge-parity ( $C P$ ) asymmetry in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays is performed at the LHCb experiment using proton-proton collision d…

hep-ex2019★ 37 cited

Measurement of the $B_{c}^{-}$ meson production fraction and asymmetry in 7 and 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, C. Abellán Beteta +900

The production fraction of the $B_{c}^{-}$ meson with respect to the sum of $B^{-}$ and $B ˉ^{0}$ mesons is measured in both 7 and 13 TeV center-of-mass energy $pp$ collisions produced…

hep-ex2019★ 267 cited

Search for $A^{'} \to μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +905

Searches are performed for both prompt-like and long-lived dark photons, $A^{'}$ , produced in proton-proton collisions at a center-of-mass energy of 13 TeV. These searches look for $A…

hep-ex2019★ 738 cited

Observation of a narrow pentaquark state, $P_{c} (4312)^{+}$ , and of two-peak structure of the $P_{c} (4450)^{+}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +866

A narrow pentaquark state, $P_{c} (4312)^{+}$ , decaying to $J / ψ p$ is discovered with a statistical significance of $7.3 σ$ in a data sample of $Λ_{b}^{0} \to J / ψ p K^{-}$ decays which is an or…

hep-ex2019★ 72 cited

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

LHCb collaboration, R. Aaij, C. Abellán 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…

hep-ex2019★ 6 cited

Measurement of the ratio of branching fractions of the decays $Λ_{b}^{0} \to ψ (2 S) Λ$ and $Λ_{b}^{0} \to J / ψ Λ$

LHCb Collaboration, R. Aaij, B. Adeva +799

Using $pp$ collisions corresponding to 3 $fb^{- 1}$ integrated luminosity, recorded by the LHCb experiment at centre-of-mass energies of 7 and 8 $TeV$ , the ratio of…

hep-ex2019★ 41 cited

Measurement of $B^{+}$ , $B^{0}$ and $Λ_{b}^{0}$ production in $p Pb$ collisions at $s_{NN} = 8.16 TeV$

LHCb Collaboration, R. Aaij, C. Abellán Beteta +842

The production of $B^{+}$ , $B^{0}$ and $Λ_{b}^{0}$ hadrons is studied in proton-lead collisions at a centre-of-mass energy per nucleon pair of $s_{NN} = 8.16 TeV$ record…

hep-ex2019★ 402 cited

Search for lepton-universality violation in $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ decays

LHCb Collaboration, R. Aaij, C. Abellán Beteta +846

A measurement of the ratio of branching fractions of the decays $B^{+} \to K^{+} μ^{+} μ^{-}$ and $B^{+} \to K^{+} e^{+} e^{-}$ is presented. The proton-proton collision data used correspond to an integ…

hep-ex2019★ 297 cited

Observation of $C P$ violation in charm decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +848

A search for charge-parity ( $C P$ ) violation in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays is reported, using $pp$ collision data corresponding to an integrated luminosity of…

hep-ex2019★ 38 cited

Measurement of $V H$ , $H \to b b ˉ$ production as a function of the vector-boson transverse momentum in 13 TeV $pp$ collisions with the ATLAS detector

ATLAS Collaboration

Cross-sections of associated production of a Higgs boson decaying into bottom-quark pairs and an electroweak gauge boson, $W$ or $Z$ , decaying into leptons are measured as a functi…

hep-ex2019★ 68 cited

Measurement of the mass difference between neutral charm-meson eigenstates

LHCb Collaboration, R. Aaij, C. Abellán Beteta +842

We report a measurement of the mass difference between neutral charm-meson eigenstates using a novel approach that enhances sensitivity to this parameter. We use $2.3 \times 1 0^{6}$ $…

hep-ex2019★ 86 cited

Constraints on mediator-based dark matter and scalar dark energy models using $s = 13$ TeV $pp$ collision data collected by the ATLAS detector

ATLAS Collaboration

Constraints on selected mediator-based dark matter models and a scalar dark energy model using up to $37 fb^{- 1}$ $s = 13$ TeV $pp$ collision data collected by the A…

hep-ex2019★ 15 cited

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

LHCb collaboration, R. Aaij, C. Abellán Beteta +848

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

hep-ex2019★ 23 cited

Search for neutral-current induced single photon production at the ND280 near detector in T2K

K. Abe, R. Akutsu, A. Ali +314

Neutrino neutral-current induced single photon production is a sub-leading order process for accelerator-based neutrino beam experiments including T2K. It is, however, an important…

hep-ex2019★ 60 cited

Search for heavy particles decaying into a top-quark pair in the fully hadronic final state in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A search for new particles decaying into a pair of top quarks is performed using proton-proton collision data recorded with the ATLAS detector at the Large Hadron Collider at a cen…

hep-ex2019★ 20 cited

Amplitude analysis of $B_{s}^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays

LHCb Collaboration, R. Aaij, C. Abellán Beteta +843

The first untagged decay-time-integrated amplitude analysis of $B_{s}^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays is performed using a sample corresponding to $3.0$ …

hep-ex2019★ 40 cited

Search for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km

K. Abe, R. Akutsu, A. Ali +318

We perform a search for light sterile neutrinos using the data from the T2K far detector at a baseline of 295 km, with an exposure of 14.7 (7.6) $\times 1 0^{20}$ protons on target i…

hep-ex2019★ 44 cited

Measurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions with the ATLAS detector

ATLAS Collaboration

A measurement of the four-lepton invariant mass spectrum is made with the ATLAS detector, using an integrated luminosity of 36.1 fb $^{- 1}$ of proton-proton collisions at $s$ …

hep-ex2019★ 17 cited

Dalitz plot analysis of the $D^{+} \to K^{-} K^{+} K^{+}$ decay

LHCb Collaboration, R. Aaij, B. Adeva +98

The resonant structure of the doubly Cabibbo-suppressed decay $D^{+} \to K^{-} K^{+} K^{+}$ is studied for the first time. The measurement is based on a sample of pp-collision data, collecte…

hep-ex2019★ 127 cited

Search for heavy charged long-lived particles in the ATLAS detector in 36.1 fb $^{- 1}$ of proton-proton collision data at $s = 13$ TeV

ATLAS Collaboration

A search for heavy charged long-lived particles is performed using a data sample of 36.1 fb $^{- 1}$ of proton-proton collisions at $s = 13$ TeV collected by the ATLAS experim…

Resonances in e+e− annihilation near 2.2 GeV

Measurement of neutrino and antineutrino neutral-current quasielastic-like interactions on oxygen by detecting nuclear de-excitation γ-rays

Determination of quantum numbers for several excited charmed mesons observed in B−→D∗+π−π− decays

Measurement of the ηc​(1S) production cross-section in pp collisions at s​=13 TeV

Updated measurement of decay-time-dependent CP asymmetries in D0→K+K− and D0→π+π− decays

Measurement of the Bc−​ meson production fraction and asymmetry in 7 and 13 TeV pp collisions

Search for A′→μ+μ− decays

Observation of a narrow pentaquark state, Pc​(4312)+, and of two-peak structure of the Pc​(4450)+

Observation of an excited Bc+​ state

Measurement of the ratio of branching fractions of the decays Λb0​→ψ(2S)Λ and Λb0​→J/ψΛ

Measurement of B+, B0 and Λb0​ production in pPb collisions at sNN​​=8.16TeV

Search for lepton-universality violation in B+→K+ℓ+ℓ− decays

Observation of CP violation in charm decays

Measurement of VH, H→bbˉ production as a function of the vector-boson transverse momentum in 13 TeV pp collisions with the ATLAS detector

Measurement of the mass difference between neutral charm-meson eigenstates

Constraints on mediator-based dark matter and scalar dark energy models using s​=13 TeV pp collision data collected by the ATLAS detector

Search for CP violation in Ds+​→KS0​π+, D+→KS0​K+ and D+→ϕπ+ decays

Search for neutral-current induced single photon production at the ND280 near detector in T2K

Search for heavy particles decaying into a top-quark pair in the fully hadronic final state in pp collisions at s​=13 TeV with the ATLAS detector

Amplitude analysis of Bs0​→KS0​K±π∓ decays

Search for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km

Measurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions with the ATLAS detector

Dalitz plot analysis of the D+→K−K+K+ decay

Search for heavy charged long-lived particles in the ATLAS detector in 36.1 fb−1 of proton-proton collision data at s​=13 TeV

Resonances in $e^{+} e^{-}$ annihilation near 2.2 GeV

Measurement of neutrino and antineutrino neutral-current quasielastic-like interactions on oxygen by detecting nuclear de-excitation $γ$ -rays

Determination of quantum numbers for several excited charmed mesons observed in $B^{-} \to D^{*+} π^{-} π^{-}$ decays

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

Updated measurement of decay-time-dependent CP asymmetries in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays

Measurement of the $B_{c}^{-}$ meson production fraction and asymmetry in 7 and 13 TeV $pp$ collisions

Search for $A^{'} \to μ^{+} μ^{-}$ decays

Observation of a narrow pentaquark state, $P_{c} (4312)^{+}$ , and of two-peak structure of the $P_{c} (4450)^{+}$

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

Measurement of the ratio of branching fractions of the decays $Λ_{b}^{0} \to ψ (2 S) Λ$ and $Λ_{b}^{0} \to J / ψ Λ$

Measurement of $B^{+}$ , $B^{0}$ and $Λ_{b}^{0}$ production in $p Pb$ collisions at $s_{NN} = 8.16 TeV$

Search for lepton-universality violation in $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ decays

Observation of $C P$ violation in charm decays

Measurement of $V H$ , $H \to b b ˉ$ production as a function of the vector-boson transverse momentum in 13 TeV $pp$ collisions with the ATLAS detector

Constraints on mediator-based dark matter and scalar dark energy models using $s = 13$ TeV $pp$ collision data collected by the ATLAS detector

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

Search for heavy particles decaying into a top-quark pair in the fully hadronic final state in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Amplitude analysis of $B_{s}^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays

Dalitz plot analysis of the $D^{+} \to K^{-} K^{+} K^{+}$ decay

Search for heavy charged long-lived particles in the ATLAS detector in 36.1 fb $^{- 1}$ of proton-proton collision data at $s = 13$ TeV