Masha Medvedeva

activity

20162025

K^{+} \to π^{+} ν ν ˉ

decay

155 citations · 425 across the 14 of their papers we have counts for

collaborators

14 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-ex2023★ 5 cited

A study of the $K^{+} \to π^{0} e^{+} ν γ$ decay

The NA62 Collaboration

A sample of $1.3 \times 1 0^{5}$ $K^{+} \to π^{0} e^{+} ν γ$ candidates with less than 1% background was collected by the NA62 experiment at the CERN SPS in 2017-2018. Branching fraction mea…

hep-ex2022★ 8 cited

A search for the $K^{+} \to μ^{-} ν e^{+} e^{+}$ decay

NA62 collaboration

A search for the $K^{+} \to μ^{-} ν e^{+} e^{+}$ decay, forbidden within the Standard Model by either lepton number or lepton flavour conservation depending on the flavour of the emitted neutri…

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…

cs.LG2020★ 3 cited

The Danger of Reverse-Engineering of Automated Judicial Decision-Making Systems

Masha Medvedeva, Martijn Wieling, Michel Vols

In this paper we discuss the implications of using machine learning for judicial decision-making in situations where human rights may be infringed. We argue that the use of such to…

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…

hep-ex2018

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

NA62 Collaboration, G. Aglieri Rinella, R. Aliberti +249

$K^{+} \to π^{+} ν ν$ is one of the theoretically cleanest meson decay where to look for indirect effects of new physics complementary to LHC searches. The NA62 experi…

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…

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

A study of the K+→π0e+νγ decay

A search for the K+→μ−νe+e+ decay

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

The Danger of Reverse-Engineering of Automated Judicial Decision-Making Systems

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

Search for K+→π+νν at NA62

Search for K+→π+ννˉ at NA62

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

A study of the $K^{+} \to π^{0} e^{+} ν γ$ decay

A search for the $K^{+} \to μ^{-} ν e^{+} e^{+}$ decay

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

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 $K^{+} \to π^{+} ν ν$ at NA62

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