R. Fantechi
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View article: First detection of a tagged neutrino in the NA62 experiment
First detection of a tagged neutrino in the NA62 experiment Open
View article: Real-time pattern recognition with FPGA at LHCb, an <i>O</i>(<i>n</i>) complexity architecture
Real-time pattern recognition with FPGA at LHCb, an <i>O</i>(<i>n</i>) complexity architecture Open
The LHCb collaboration is planning an upgrade (LHCb “Upgrade- II”) to collect data during Run 5 at an instantaneous luminosity an order of magnitude larger than the current one (Run 3). LHCb relies on a complete realtime reconstruction of …
View article: Search for Physics beyond the Standard Model at NA62
Search for Physics beyond the Standard Model at NA62 Open
View article: Observation of the $K^{+}\rightarrowπ^{+}ν\barν$ decay and measurement of its branching ratio
Observation of the $K^{+}\rightarrowπ^{+}ν\barν$ decay and measurement of its branching ratio Open
A measurement of the $K^{+}\rightarrowπ^{+}ν\barν$ decay by the NA62 experiment at the CERN SPS is presented, using data collected in 2021 and 2022. This dataset was recorded, after modifications to the beamline and detectors, at a higher …
View article: First search for $K^+\toπ^0πμe$ decays
First search for $K^+\toπ^0πμe$ decays Open
The first search for the lepton number violating decay $K^+\toπ^0π^-μ^+e^+$ and lepton flavour violating decays $K^+\toπ^0π^+μ^-e^+$, $K^+\toπ^0π^+μ^+e^-$ has been performed using a dataset collected by the NA62 experiment at CERN in 2016-…
View article: First observation and study of the K± → π0π0μ±ν decay
First observation and study of the K± → π0π0μ±ν decay Open
View article: Status of searches for rare kaon decays at NA62 \& HIKE
Status of searches for rare kaon decays at NA62 \& HIKE Open
Recent results from searches for rare kaon decays with the NA62 experiment at CERN are reported, together with the future prospects. A future experiment HIKE, to go beyond NA62, has been proposed to push kaon physics to an unprecedented fr…
View article: Physics Beyond the Standard Model with the NA62 experiment at CERN
Physics Beyond the Standard Model with the NA62 experiment at CERN Open
The first measurement of the branching ratio of the ultra-rare $K^+ \\to \\pi^+\\nu\\bar\\nu$ decay and the searches for production of feebly interacting particles predicted by dark scalar models from the NA62 experiment at CERN are presen…
View article: Demonstration of track reconstruction with FPGAs on live data at LHCb
Demonstration of track reconstruction with FPGAs on live data at LHCb Open
The LHCb experiment is currently taking data with a completely renewed DAQ system, capable for the first time of performing a full real-time reconstruction of all collision events occurring at LHC point 8. The Collaboration is now pursuing…
View article: Workshop summary -- Kaons@CERN 2023
Workshop summary -- Kaons@CERN 2023 Open
Kaon physics is at a turning point -- while the rare-kaon experiments NA62 and KOTO are in full swing, the end of their lifetime is approaching and the future experimental landscape needs to be defined. With HIKE, KOTO-II and LHCb-Phase-II…
View article: First observation and study of the $K^{\pm} \rightarrow π^{0} π^{0} μ^{\pm} ν$ decay
First observation and study of the $K^{\pm} \rightarrow π^{0} π^{0} μ^{\pm} ν$ decay Open
The NA48/2 experiment at CERN reports the first observation of the $K^{\pm} \rightarrow π^{0} π^{0} μ^{\pm} ν$ decay based on a sample of 2437 candidates with 15% background contamination collected in 2003--2004. The decay branching ratio …
View article: A study of the $K^+ \to \pi^0 e^+ \nu \gamma$ decay
A study of the $K^+ \to \pi^0 e^+ \nu \gamma$ decay Open
A sample of $1.3 \times 10^5$$K^+ \to \pi^0 e^+ \nu \gamma$ candidates with less than 1% background was collected by the NA62 experiment at the CERN SPS in 2017-2018. Branching fraction measurements are obtained at percent relative precisi…
View article: FPGA-based real-time data processing for accelerating reconstruction at LHCb
FPGA-based real-time data processing for accelerating reconstruction at LHCb Open
In run-3, beginning in 2022, the LHCb software trigger will start reconstructing events at the LHC average crossing rate of 30 MHz. Within the upgraded DAQ system, LHCb established a testbed for new heterogeneous computing solutions for re…
View article: Search for Lepton Number and Flavor Violation in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>K</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math> Decays
Search for Lepton Number and Flavor Violation in and Decays Open
Searches for the lepton number violating K^{+}→π^{-}μ^{+}e^{+} decay and the lepton flavor violating K^{+}→π^{+}μ^{-}e^{+} and π^{0}→μ^{-}e^{+} decays are reported using data collected by the NA62 experiment at CERN in 2017-2018. No eviden…
View article: Search for K+ decays to a muon and invisible particles
Search for K+ decays to a muon and invisible particles Open
View article: Search for a feebly interacting particle X in the decay K+ → π+X
Search for a feebly interacting particle X in the decay K+ → π+X Open
View article: Search for π0 decays to invisible particles
Search for π0 decays to invisible particles Open
View article: Search for lepton number violation and other exotic processes at NA62
Search for lepton number violation and other exotic processes at NA62 Open
NA62 is a fixed target experiment at CERN, with the main goal of measuring the branching ratio of the very rare decay $K$$^{+}$ → $\\pi$$^{+}$$\\nu$$\\bar{\\nu}$ However, the wide physics program covered by the experiment allows the search…
View article: Search for heavy neutral lepton production in K+ decays to positrons
Search for heavy neutral lepton production in K+ decays to positrons Open
View article: Searches for lepton flavour and lepton number violation in K$^+$ decays
Searches for lepton flavour and lepton number violation in K$^+$ decays Open
The NA62 experiment at the CERN SPS is designed to conduct precision tests of the Standard Model by studying rare decays of charged kaons. NA62 took data in 2016-2018 and collected a large sample of charged kaon decays into final states wi…
View article: Searches for lepton number violating K+ decays
Searches for lepton number violating K+ decays Open
View article: The integrated low-level trigger and readout system of the CERN NA62 experiment
The integrated low-level trigger and readout system of the CERN NA62 experiment Open
View article: Search for $K^+ \to \pi^+ \nu \bar{\nu}$ at NA62
Search for $K^+ \to \pi^+ \nu \bar{\nu}$ at NA62 Open
The decay $K^{+} \\rightarrow \\pi^{+}\\nu\\overline{\\nu}$ has a very precisely predicted branching ratio ($\\sim 8\\times 10^{-11}$) and it is one of the best candidates to reveal indirect effects of new physics. The NA62 experiment at C…
View article: First observation and study of the K± → π±π0e+e− decay
First observation and study of the K± → π±π0e+e− decay Open
View article: Search for $K^{+}\rightarrow\pi^{+}\nu\overline{\nu}$ at NA62
Search for $K^{+}\rightarrow\pi^{+}\nu\overline{\nu}$ at NA62 Open
$K^{+}\rightarrow\pi^{+}\nu\overline{\nu}$ is one of the theoretically cleanest meson decay where to look for indirect effects of new physics complementary to LHC searches. The NA62 experiment at CERN SPS is designed to measure the branchi…
View article: Search for $K^{+}\rightarrowπ^{+}ν\overlineν$ at NA62
Search for $K^{+}\rightarrowπ^{+}ν\overlineν$ at NA62 Open
$K^{+}\rightarrowπ^{+}ν\overlineν$ is one of the theoretically cleanest meson decay where to look for indirect effects of new physics complementary to LHC searches. The NA62 experiment at CERN SPS is designed to measure the branching ratio…
View article: Recent QCD results from the NA48/2 experiment
Recent QCD results from the NA48/2 experiment Open
View article: Search for &Kappa; + &rarr; &pi;+ &nu;&nu; at NA62
Search for Κ + → π+ νν at NA62 Open
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View article: Search for heavy neutral lepton production in K+ decays
Search for heavy neutral lepton production in K+ decays Open
View article: NA62 and NA48/2 results on search for Heavy Neutral Leptons
NA62 and NA48/2 results on search for Heavy Neutral Leptons Open
In this paper we present new results on upper limits for the search of Heavy Neutral Leptons (HNL) with data collected by NA48/2 (2003-2004), NA62-RK (2007) and NA62 (2015) CERN experiments. The data collected with different trigger config…