Laboratoire de Physique Nucléaire et de Hautes Énergies

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19922026

most citedMeasurements of Omega and Lambda from 42 High-Redshift Supernovae

18.1k citations

researchers with a paper here

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

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Showing 2019 · hep-exShow all

127 papers · 2 filters

hep-ex2019★ 2 cited

Search for an exotic S=-2, Q=-2 baryon resonance in proton-proton interactions at $s_{N N}$ = 17.3 GeV

SHINE Collaboration, A. Aduszkiewicz, E. V. Andronov +133

Pentaquark states have been extensively investigated theoretically in the context of the constituent quark model. In this paper results of an experimental search for pentaquarks in…

hep-ex2019★ 32 cited

Search for $C P$ violation and observation of $P$ violation in $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +902

A search for $C P$ violation in the $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decay is performed using LHCb data corresponding to an integrated luminosity of 6.6 $f b^{- 1}$ collected in $pp$ coll…

hep-ex2019★ 9 cited

Measurement of isolated-photon plus two-jet production in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

The dynamics of isolated-photon plus two-jet production in $pp$ collisions at a centre-of-mass energy of 13 TeV are studied with the ATLAS detector at the LHC using a dataset corre…

hep-ex2019★ 68 cited

A measurement of soft-drop jet observables in $pp$ collisions with the ATLAS detector at $s = 13$ TeV

ATLAS Collaboration

Jet substructure quantities are measured using jets groomed with the soft-drop grooming procedure in dijet events from 32.9 fb $^{- 1}$ of $pp$ collisions collected with the ATLAS de…

hep-ex2019★ 90 cited

Search for chargino-neutralino production with mass splittings near the electroweak scale in three-lepton final states in $s$ = 13 TeV $pp$ collisions with the ATLAS detector

Atlas Collaboration

A search for supersymmetry through the pair production of electroweakinos with mass splittings near the electroweak scale and decaying via on-shell $W$ and $Z$ bosons is presented…

hep-ex2019★ 64 cited

Test of lepton universality with $Λ_{b}^{0} \to p K^{-} ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +904

The ratio of branching fractions of the decays $Λ_{b}^{0} \to p K^{-} e^{+} e^{-}$ and $Λ_{b}^{0} \to p K^{-} μ^{+} μ^{-}$ , $R_{p K}^{- 1}$ , is measured for the first time using proton-proto…

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★ 11 cited

Measurement of the relative $B_{c}^{\pm} / B^{\pm}$ production cross section with the ATLAS detector at $s = 8$ TeV

ATLAS Collaboration

The total cross section and differential cross sections for the production of $B_{c}^{\pm}$ mesons, times their branching fraction to $J / ψ π^{\pm}$ , are measured relative to those f…

hep-ex2019★ 17 cited

Isospin amplitudes in $Λ_{b}^{0} \to J / ψ Λ (Σ^{0})$ and $Ξ_{b}^{0} \to J / ψ Ξ^{0} (Λ)$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +902

Ratios of isospin amplitudes in hadron decays are a useful probe of the interplay between weak and strong interactions, and allow searches for physics beyond the Standard Model. We…

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★ 17 cited

Search for Electron Antineutrino Appearance in a Long-baseline Muon Antineutrino Beam

K. Abe, R. Akutsu, A. Ali +341

Electron antineutrino appearance is measured by the T2K experiment in an accelerator-produced antineutrino beam, using additional neutrino beam operation to constrain parameters of…

hep-ex2019★ 221 cited

Searches for electroweak production of supersymmetric particles with compressed mass spectra in $s = 13$ TeV $pp$ collisions with the ATLAS detector

ATLAS Collaboration

This paper presents results of searches for electroweak production of supersymmetric particles in models with compressed mass spectra. The searches use 139 fb $^{- 1}$ of $\sqrt{s}=1…

hep-ex2019★ 46 cited

Search for long-lived neutral particles produced in $pp$ collisions at $s = 13$ TeV decaying into displaced hadronic jets in the ATLAS inner detector and muon spectrometer

ATLAS Collaboration

A search is presented for pair-production of long-lived neutral particles using 33 fb $^{- 1}$ of $s = 13$ TeV proton-proton collision data, collected during 2016 by the ATLAS…

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-ex2019★ 5 cited

Observation of the semileptonic decay $B^{+} \to p p μ^{+} ν_{μ}$

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

The Cabibbo-suppressed semileptonic decay $B^{+} \to p p μ^{+} ν_{μ}$ is observed for the first time using a sample of $pp$ collisions corresponding to an integrated luminosit…

hep-ex2019★ 90 cited

Search for direct stau production in events with two hadronic $τ$ -leptons in $s = 13$ TeV $pp$ collisions with the ATLAS detector

ATLAS Collaboration

A search for the direct production of the supersymmetric partners of $τ$ -leptons (staus) in final states with two hadronically decaying $τ$ -leptons is presented. The analysis uses…

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★ 29 cited

Measurement of the $Z (\to ℓ^{+} ℓ^{-}) γ$ production cross-section in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

The production of a prompt photon in association with a $Z$ boson is studied in proton-proton collisions at a centre-of-mass energy $s =$ 13 TeV. The analysis uses a data sa…

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★ 94 cited

Expression of Interest for the CODEX-b Detector

Giulio Aielli, Eli Ben-Haim, Roberto Cardarelli +25

This document presents the physics case and ancillary studies for the proposed CODEX-b long-lived particle (LLP) detector, as well as for a smaller proof-of-concept demonstrator de…

hep-ex2019★ 13 cited

Measurement of differential cross sections for single diffractive dissociation in $s = 8$ TeV $pp$ collisions using the ATLAS ALFA spectrometer

ATLAS Collaboration

A dedicated sample of Large Hadron Collider proton-proton collision data at centre-of-mass energy $s = 8$ TeV is used to study inclusive single diffractive dissociation, $pp \…

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★ 31 cited

Measurement of $f_{s} / f_{u}$ variation with proton-proton collision energy and $B$ -meson kinematics

LHCb collaboration, R. Aaij, C. Abellán Beteta +903

The ratio of the $B_{s}^{0}$ and $B^{+}$ fragmentation fractions $f_{s}$ and $f_{u}$ is studied with $B_{s}^{0} \to J / ψ ϕ$ and $B^+\to\mathrm{J…

Search for an exotic S=-2, Q=-2 baryon resonance in proton-proton interactions at sNN​​ = 17.3 GeV

Search for CP violation and observation of P violation in Λb0​→pπ−π+π− decays

Measurement of isolated-photon plus two-jet production in pp collisions at s​=13 TeV with the ATLAS detector

A measurement of soft-drop jet observables in pp collisions with the ATLAS detector at s​=13 TeV

Search for chargino-neutralino production with mass splittings near the electroweak scale in three-lepton final states in s​ = 13 TeV pp collisions with the ATLAS detector

Test of lepton universality with Λb0​→pK−ℓ+ℓ− decays

Resonances in e+e− annihilation near 2.2 GeV

Measurement of the relative Bc±​/B± production cross section with the ATLAS detector at s​=8 TeV

Isospin amplitudes in Λb0​→J/ψΛ(Σ0) and Ξb0​→J/ψΞ0(Λ) decays

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

Search for Electron Antineutrino Appearance in a Long-baseline Muon Antineutrino Beam

Searches for electroweak production of supersymmetric particles with compressed mass spectra in s​=13 TeV pp collisions with the ATLAS detector

Search for long-lived neutral particles produced in pp collisions at s​=13 TeV decaying into displaced hadronic jets in the ATLAS inner detector and muon spectrometer

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

Observation of the semileptonic decay B+→pp​μ+νμ​

Search for direct stau production in events with two hadronic τ-leptons in s​=13 TeV pp collisions with the ATLAS detector

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

Measurement of the Z(→ℓ+ℓ−)γ production cross-section in pp collisions at s​=13 TeV with the ATLAS detector

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

Expression of Interest for the CODEX-b Detector

Measurement of differential cross sections for single diffractive dissociation in s​=8 TeV pp collisions using the ATLAS ALFA spectrometer

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

Measurement of fs​/fu​ variation with proton-proton collision energy and B-meson kinematics

Search for an exotic S=-2, Q=-2 baryon resonance in proton-proton interactions at $s_{N N}$ = 17.3 GeV

Search for $C P$ violation and observation of $P$ violation in $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decays

Measurement of isolated-photon plus two-jet production in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

A measurement of soft-drop jet observables in $pp$ collisions with the ATLAS detector at $s = 13$ TeV

Search for chargino-neutralino production with mass splittings near the electroweak scale in three-lepton final states in $s$ = 13 TeV $pp$ collisions with the ATLAS detector

Test of lepton universality with $Λ_{b}^{0} \to p K^{-} ℓ^{+} ℓ^{-}$ decays

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

Measurement of the relative $B_{c}^{\pm} / B^{\pm}$ production cross section with the ATLAS detector at $s = 8$ TeV

Isospin amplitudes in $Λ_{b}^{0} \to J / ψ Λ (Σ^{0})$ and $Ξ_{b}^{0} \to J / ψ Ξ^{0} (Λ)$ decays

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

Searches for electroweak production of supersymmetric particles with compressed mass spectra in $s = 13$ TeV $pp$ collisions with the ATLAS detector

Search for long-lived neutral particles produced in $pp$ collisions at $s = 13$ TeV decaying into displaced hadronic jets in the ATLAS inner detector and muon spectrometer

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

Observation of the semileptonic decay $B^{+} \to p p μ^{+} ν_{μ}$

Search for direct stau production in events with two hadronic $τ$ -leptons in $s = 13$ TeV $pp$ collisions with the ATLAS detector

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

Measurement of the $Z (\to ℓ^{+} ℓ^{-}) γ$ production cross-section in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

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 differential cross sections for single diffractive dissociation in $s = 8$ TeV $pp$ collisions using the ATLAS ALFA spectrometer

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

Measurement of $f_{s} / f_{u}$ variation with proton-proton collision energy and $B$ -meson kinematics