F. Duval

activity

20082025

K^{+} \to π^{+} ν ν ˉ

decay

155 citations · 1.6k across the 30 of their papers we have counts for

collaborators

30 papers

hep-ex2025

Searches for hidden sectors using $K^{+} \to π^{+} X$ decays

NA62 Collaboration

Results from the study of the rare decays $K^{+} \to π^{+} ν ν ˉ$ , $K^{+} \to π^{+} μ^{+} μ^{-}$ and $K^{+} \to π^{+} γ γ$ at the NA62 experiment at CERN are interpreted in terms…

hep-ex2025★ 5 cited

Search for hadronic decays of feebly-interacting particles at NA62

NA62 Collaboration

The NA62 experiment at CERN has the capability to collect data in a beam-dump mode, where 400 GeV protons are dumped on an absorber. In this configuration, New Physics particles, i…

hep-ex2024★ 13 cited

Observation of the $K^{+} \to π^{+} ν ν ˉ$ decay and measurement of its branching ratio

NA62 Collaboration

A measurement of the $K^{+} \to π^{+} ν ν ˉ$ decay by the NA62 experiment at the CERN SPS is presented, using data collected in 2021 and 2022. This dataset was recorded, afte…

hep-ex2024★ 3 cited

First detection of a tagged neutrino in the NA62 experiment

NA62 Collaboration

The NA62 experiment at the CERN SPS reports the first detection of a tagged neutrino candidate based on the data collected in 2022. The candidate consists of a $K^+ \rightarrow μ^+…

hep-ex2023

Development of a new CEDAR for kaon identification at the NA62 experiment at CERN

The NA62 Collaboration

The NA62 experiment at CERN utilises a differential Cherenkov counter with achromatic ring focus (CEDAR) for tagging kaons within an unseparated monochromatic beam of charged hadro…

hep-ex2023★ 10 cited

Search for Leptonic Decays of Dark Photons at NA62

The NA62 collaboration

The NA62 experiment at CERN, configured in beam-dump mode, has searched for dark photon decays in flight to electron-positron pairs using a sample of $1.4 \times 1 0^{17}$ protons on…

hep-ex2022★ 15 cited

A measurement of the $K^{+} \to π^{+} μ^{+} μ^{-}$ decay

NA62 Collaboration

A sample of $2.8 \times 1 0^{4}$ $K^{+} \to π^{+} μ^{+} μ^{-}$ candidates with negligible background was collected by the NA62 experiment at the CERN SPS in 2017--2018. The model-inde…

hep-ex2022★ 3 cited

Performance of the NA62 trigger system

The NA62 Collaboration

The NA62 experiment at CERN targets the measurement of the ultra-rare $K^{+} \to π^{+} ν ν ˉ$ decay, and carries out a broad physics programme that includes probes for symmetry vio…

hep-ex2022★ 19 cited

Searches for lepton number violating $K^{+} \to π^{-} (π^{0}) e^{+} e^{+}$ decays

NA62 collaboration

Searches for lepton number violating $K^{+} \to π^{-} e^{+} e^{+}$ and $K^{+} \to π^{-} π^{0} e^{+} e^{+}$ decays have been performed using the complete dataset collected by the NA62 experiment at CERN in 20…

hep-ex2021★ 28 cited

Search for lepton number and flavour violation in $K^{+}$ and $π^{0}$ decays

NA62 Collaboration

Searches for the lepton number violating $K^{+} \to π^{-} μ^{+} e^{+}$ decay and the lepton flavour violating $K^{+} \to π^{+} μ^{-} e^{+}$ and $π^{0} \rightarrow μ…

hep-ex2021★ 155 cited

Measurement of the very rare $K^{+} \to π^{+} ν ν ˉ$ decay

NA62 Collaboration

The NA62 experiment reports the branching ratio measurement BR $(K^{+} \to π^{+} ν ν ˉ) = (10. 6_{- 3.4}^{+ 4.0} ∣_{stat} \pm 0. 9_{syst}) \times 1 0^{- 11}$ at 68% CL, base…

physics.ins-det2020★ 8 cited

Study of scintillation light collection, production and propagation in a 4 tonne dual-phase LArTPC

B. Aimard, L. Aizawa, C. Alt +160

The $3 \times 1 \times 1$ m $^{3}$ demonstrator is a dual phase liquid argon time projection chamber that has recorded cosmic rays events in 2017 at CERN. The light signal in these de…

hep-ex2020★ 82 cited

Search for heavy neutral lepton production in $K^{+}$ decays to positrons

NA62 collaboration

A search for heavy neutral lepton ( $N$ ) production in $K^{+} \to e^{+} N$ decays using the data sample collected by the NA62 experiment at CERN in 2017--2018 is reported. Upper limits of…

hep-ex2019★ 46 cited

Searches for lepton number violating $K^{+}$ decays

NA62 collaboration

The NA62 experiment at CERN reports a search for the lepton number violating decays $K^{+} \to π^{-} e^{+} e^{+}$ and $K^{+} \to π^{-} μ^{+} μ^{+}$ using a data sample collected in 2017. No signals are ob…

hep-ex2019★ 72 cited

Search for production of an invisible dark photon in $π^{0}$ decays

NA62 collaboration

The results of a search for $π^{0}$ decays to a photon and an invisible massive dark photon at the NA62 experiment at the CERN SPS are reported. From a total of $4.12 \times 1 0^{8}$ tagg…

hep-ex2018★ 71 cited

First search for $K^{+} \to π^{+} ν ν ˉ$ using the decay-in-flight technique

NA62 collaboration

The NA62 experiment at the CERN SPS reports the first search for $K^{+} \to π^{+} ν ν ˉ$ using the decay-in-flight technique, based on a sample of $1.21 \times 1 0^{11}$ $K^{+}$ de…

physics.ins-det2018★ 25 cited

A 4 tonne demonstrator for large-scale dual-phase liquid argon time projection chambers

B. Aimard, Ch. Alt, J. Asaadi +169

A 10 kilo-tonne dual-phase liquid argon TPC is one of the detector options considered for the Deep Underground Neutrino Experiment (DUNE). The detector technology relies on amplifi…

hep-ex2016

Search for $K^{+} \to π^{+} ν ν ˉ$ at NA62

Matthew Moulson

The decay $K^{+} \to π^{+} ν ν ˉ$ is highly suppressed in the Standard Model (SM), while its rate can be predicted with minimal theoretical uncertainty. The branching ratio (BR) for this…

astro-ph.GA2015★ 26 cited

The Lyman alpha Reference Sample VI: Lyman alpha escape from the edge-on disk galaxy Mrk1486

Florent Duval, Göran Östlin, Matthew Hayes +16

While numerical simulations suggest that the strength of the Lyman alpha (Lya) line of star-forming disk galaxies strongly depends on the inclination at which they are observed (i.…

astro-ph.GA2015★ 117 cited

Bright and Faint Ends of Ly $α$ Luminosity Functions at $z = 2$ Determined by the Subaru Survey: Implications for AGN, Magnification Bias, and ISM HI Evolution

Akira Konno, Masami Ouchi, Kimihiko Nakajima +4

We present the Lya luminosity functions (LFs) derived by our deep Subaru narrowband survey that identifies a total of 3,137 Lya emitters (LAEs) at $z = 2.2$ in five independent bla…

astro-ph.GA2015★ 22 cited

The Lyman alpha reference sample. VII. Spatially resolved H $α$ kinematics

Edmund Christian Herenz, Pieter Gruyters, Ivana Orlitova +19

We present integral field spectroscopic observations with the Potsdam Multi Aperture Spectrophotometer of all 14 galaxies in the $z \sim 0.1$ Lyman Alpha Reference Sample (LARS). We…

astro-ph.GA2015★ 119 cited

The Lyman Alpha Reference Sample: V. The impact of neutral ISM kinematics and geometry on Lyman Alpha escape

Thøger E. Rivera-Thorsen, Matthew Hayes, Göran Östlin +15

We present high-resolution far-UV spectroscopy of the 14 galaxies of the Lyman Alpha Reference Sample; a sample of strongly star-forming galaxies at low redshifts ($0.028 < z < 0.1…

astro-ph.GA2015★ 48 cited

The Lyman alpha reference sample: IV. Morphology at low and high redshift

L. Guaita, J. Melinder, M. Hayes +3

We measured the sizes and morphological parameters of LARS galaxies in the continuum, Lya, and Ha images. We studied morphology by using the Gini coefficient vs M20 and asymmetry v…

astro-ph.GA2014★ 126 cited

The Lyman-alpha Reference Sample: I. Survey outline and first results for Markarian 259

Göran Östlin, Matthew Hayes, Florent Duval +19

The Lyman-alpha reference sample (LARS) is a program with the Hubble Space Telescope (HST) that provides a sample of local universe laboratory galaxies in which to study the astrop…

Searches for hidden sectors using K+→π+X decays

Search for hadronic decays of feebly-interacting particles at NA62

Observation of the K+→π+ννˉ decay and measurement of its branching ratio

First detection of a tagged neutrino in the NA62 experiment

Development of a new CEDAR for kaon identification at the NA62 experiment at CERN

Search for Leptonic Decays of Dark Photons at NA62

A measurement of the K+→π+μ+μ− decay

Performance of the NA62 trigger system

Searches for lepton number violating K+→π−(π0)e+e+ decays

Search for lepton number and flavour violation in K+ and π0 decays

Measurement of the very rare K+→π+ννˉ decay

Study of scintillation light collection, production and propagation in a 4 tonne dual-phase LArTPC

Search for heavy neutral lepton production in K+ decays to positrons

Searches for lepton number violating K+ decays

Search for production of an invisible dark photon in π0 decays

First search for K+→π+ννˉ using the decay-in-flight technique

A 4 tonne demonstrator for large-scale dual-phase liquid argon time projection chambers

Search for K+→π+ννˉ at NA62

The Lyman alpha Reference Sample VI: Lyman alpha escape from the edge-on disk galaxy Mrk1486

Bright and Faint Ends of Lyα Luminosity Functions at z=2 Determined by the Subaru Survey: Implications for AGN, Magnification Bias, and ISM HI Evolution

The Lyman alpha reference sample. VII. Spatially resolved Hα kinematics

The Lyman Alpha Reference Sample: V. The impact of neutral ISM kinematics and geometry on Lyman Alpha escape

The Lyman alpha reference sample: IV. Morphology at low and high redshift

The Lyman-alpha Reference Sample: I. Survey outline and first results for Markarian 259

Searches for hidden sectors using $K^{+} \to π^{+} X$ decays

Observation of the $K^{+} \to π^{+} ν ν ˉ$ decay and measurement of its branching ratio

A measurement of the $K^{+} \to π^{+} μ^{+} μ^{-}$ decay

Searches for lepton number violating $K^{+} \to π^{-} (π^{0}) e^{+} e^{+}$ decays

Search for lepton number and flavour violation in $K^{+}$ and $π^{0}$ decays

Measurement of the very rare $K^{+} \to π^{+} ν ν ˉ$ decay

Search for heavy neutral lepton production in $K^{+}$ decays to positrons

Searches for lepton number violating $K^{+}$ decays

Search for production of an invisible dark photon in $π^{0}$ decays

First search for $K^{+} \to π^{+} ν ν ˉ$ using the decay-in-flight technique

Search for $K^{+} \to π^{+} ν ν ˉ$ at NA62

Bright and Faint Ends of Ly $α$ Luminosity Functions at $z = 2$ Determined by the Subaru Survey: Implications for AGN, Magnification Bias, and ISM HI Evolution

The Lyman alpha reference sample. VII. Spatially resolved H $α$ kinematics