I. Polenkevich

activity

20052023

most citedObservation of a cusp-like structure in the pizero-pizero invariant mass distribution from K+- ==> pi+- pizero pizero decay and determination of the pi-pi scattering lengths

97 citations · 414 across the 11 of their papers we have counts for

collaborators

11 papers

hep-ex2023★ 14 cited

Measurement of the $K^{+} \to π^{+} γ γ$ decay

The NA62 Collaboration

A sample of 3984 candidates of the $K^{+} \to π^{+} γ γ$ decay, with an estimated background of $291 \pm 14$ events, was collected by the NA62 experiment at CERN during 2017-2018. In order t…

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-ex2021★ 69 cited

Search for $K^{+}$ decays to a muon and invisible particles

NA62 collaboration

The NA62 experiment at CERN reports searches for $K^{+} \to μ^{+} N$ and $K^{+} \to μ^{+} ν X$ decays, where $N$ and $X$ are massive invisible particles, using the 2016-2018 data set. The $N$ par…

hep-ex2020★ 58 cited

Search for $π^{0}$ decays to invisible particles

NA62 Collaboration

The NA62 experiment at the CERN SPS reports a study of a sample of $4 \times 1 0^{9}$ tagged $π^{0}$ mesons from $K^{+} \to π^{+} π^{0} (γ)$ , searching for the decay of the $π^{0}$ to invisibl…

hep-ex2020★ 38 cited

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

NA62 Collaboration

The NA62 experiment reports an investigation of the $K^{+} \to π^{+} ν ν ˉ$ mode from a sample of $K^{+}$ decays collected in 2017 at the CERN SPS. The experiment has achieved a si…

hep-ex2018★ 11 cited

First Observation and Study of the $K^{\pm} \to π^{\pm} π^{0} e^{+} e^{-}$ Decay

2 Collaboration

The NA48/2 experiment at CERN reports the first observation of the $K^{\pm} \to π^{\pm} π^{0} e^{+} e^{-}$ decay from an exposure of $1.7 \times 1 0^{11}$ charged kaon decays recorded in $200…

hep-ex2018★ 86 cited

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

NA62 collaboration

A search for heavy neutral lepton production in $K^{+}$ decays using a data sample collected with a minimum bias trigger by the NA62 experiment at CERN in 2015 is reported. Upper lim…

hep-ex2014

Prospects for $K^{+} \to π^{+} ν ν ˉ$ at CERN in NA62

G. Aglieri Rinella, R. Aliberti, F. Ambrosino +201

The NA62 experiment will begin taking data in 2015. Its primary purpose is a 10% measurement of the branching ratio of the ultrarare kaon decay $K^{+} \to π^{+} ν ν ˉ$ , using the d…

hep-ex2007★ 22 cited

Measurements of Charged Kaon Semileptonic Decay Branching Fractions K^+- -> pi^0 mu^+- nu and K+- -> pi^0 e^+- nu and Their Ratio

J. R. Batley, NA48/2 collaboration

Measured ratios of decay rates for Ke3/K2π, K\mu3/K2πand K\mu3/Ke3 are presented. These measurements are based on K^+- decays collected in a dedicated run in 2003 by the NA48/2 exp…

hep-ex2006★ 11 cited

Search for direct CP-violation in K+- --> pi+-pi0pi0 decays

2 collaboration

A search for direct CP-violation in K+- --> pi+-pi0pi0 decays based on 47.14 million events has been performed by the NA48/2 experiment at the CERN SPS. The asymmetry in the Dalitz…

hep-ex2005★ 97 cited

Observation of a cusp-like structure in the pizero-pizero invariant mass distribution from K+- ==> pi+- pizero pizero decay and determination of the pi-pi scattering lengths

2 Collaboration, C. Lazzeroni, D. J. Munday +2

We report the results from a study of ~23 Million K+- ==> pi+- pizero pizero decays recorded by the NA48/2 experiment at the CERN SPS, showing an anomaly in the pizero pizero invar…

Measurement of the K+→π+γγ decay

A search for the K+→μ−νe+e+ decay

Search for K+ decays to a muon and invisible particles

Search for π0 decays to invisible particles

An investigation of the very rare K+→π+ννˉ decay

First Observation and Study of the K±→π±π0e+e− Decay

Search for heavy neutral lepton production in K+ decays

Prospects for K+→π+ννˉ at CERN in NA62

Measurements of Charged Kaon Semileptonic Decay Branching Fractions K^+- -> pi^0 mu^+- nu and K+- -> pi^0 e^+- nu and Their Ratio

Search for direct CP-violation in K+- --> pi+-pi0pi0 decays

Observation of a cusp-like structure in the pizero-pizero invariant mass distribution from K+- ==> pi+- pizero pizero decay and determination of the pi-pi scattering lengths

Measurement of the $K^{+} \to π^{+} γ γ$ decay

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

Search for $K^{+}$ decays to a muon and invisible particles

Search for $π^{0}$ decays to invisible particles

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

First Observation and Study of the $K^{\pm} \to π^{\pm} π^{0} e^{+} e^{-}$ Decay

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

Prospects for $K^{+} \to π^{+} ν ν ˉ$ at CERN in NA62