E. Iacopini

activity

20032025

most citedPrecise measurement of the K+- --> pi+-e+e- decay

76 citations · 378 across the 19 of their papers we have counts for

collaborators

19 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

First observation and study of the $K^{\pm} \to π^{0} π^{0} μ^{\pm} ν$ decay

2 Collaboration, J. R. Batley, G. Kalmus +121

The NA48/2 experiment at CERN reports the first observation of the $K^{\pm} \to π^{0} π^{0} μ^{\pm} ν$ decay based on a sample of 2437 candidates with 15% background contam…

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-ex2016★ 41 cited

Searches for Lepton Number Violation and Resonances in $K^{\pm} \to π μμ$ Decays

2 collaboration

The NA48/2 experiment at CERN collected a large sample of charged kaon decays to final states with multiple charged particles in 2003--2004. A new upper limit on the rate of the le…

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…

physics.ins-det2016

Recent results and prospects for NA62 experiment

Silvia Martellotti

The $K^{+} \to π^{+} ν ν ˉ$ decay is theoretically one of the cleanest meson decays and so a good place to look for indirect effects of new physics complementary to LHC search…

hep-ex2016

ChPT tests at the NA48 and NA62 experiments at CERN

NA48/2, NA62 Collaborations, : +159

The NA48/2 Collaboration at CERN has accumulated unprecedented statistics of rare kaon decays in the Ke4 modes: Ke4(+-) ( $K^{\pm} \to π^{+} π^{-} e^{\pm} ν$ ) and Ke4(00) ($K^\pm \to π^0 π^…

physics.ins-det2014★ 12 cited

The NA62 experiment at CERN: status and perspectives

Riccardo Fantechi

The NA62 experiment at CERN will measure the branching ratio of the K+ -> pi+ nu nubar decay with a precision of 10%, collecting about 100 events in two years of run. This paper wi…

hep-ex2012★ 19 cited

New measurement of the charged kaon semileptonic (Ke4) decay Branching Ratio and Hadronic Form Factors

2 Collaboration

A sample of more than one million Ke4 decay candidates with less than one percent background contamination has been collected by the NA48/2 experiment at the CERN SPS in 2003-2004,…

hep-ex2010★ 9 cited

New Precise Measurements of the $\xilamgam$ and $\xisiggam$ Decay Asymmetries

J. R. Batley

The decay asymmetries of the weak radiative Hyperon decays Xi0 \to Lambda gamma and Xi0 \to Sigma0 gamma have been measured with high precision using data of the NA48/1 experiment…

hep-ex2009★ 74 cited

Determination of the S-wave pi pi scattering lengths from a study of K+- -> pi+- pi0 pi0 decays

2 Collaboration

We report the results from a study of the full sample of ~ 6.031 10^7 K+- -> pi+- pi0 pi0 decays recorded by the NA48/2 experiment at the CERN SPS. As first observed in this experi…

hep-ex2009★ 76 cited

Precise measurement of the K+- --> pi+-e+e- decay

2 collaboration

A sample of 7253 $K^{\pm} \to π^{\pm} e^{+} e^{-} (γ)$ decay candidates with 1.0% background contamination has been collected by the NA48/2 experiment at the CERN SPS, allowing a precise measu…

hep-ex2007★ 16 cited

First Observation and Measurement of the Decay K+- -> pi+- e+ e- gamma

2 Collaboration, J. R. Batley

Using the full data set of the NA48/2 experiment, the decay K+- -> pi+- e+ e- gamma is observed for the first time, selecting 120 candidates with 7.3 +- 1.7 estimated background ev…

hep-ex2007★ 9 cited

First observation and branching fraction and decay parameter measurements of the weak radiative decay Xi0 --> Lambda e+e-

NA48 Collaboration

The weak radiative decay Xi0 --> Lambda e+e- has been detected for the first time. We find 412 candidates in the signal region, with an estimated background of 15 +/- 5 events. We…

hep-ex2007

Measurement of the Dalitz plot slope parameters of the $K^{\pm} \to π^{\pm} π^{+} π^{-}$ decay

2 Collaboration, J. R. Batley et al.

The distribution of the $K^{\pm} \to π^{\pm} π^{+} π^{-}$ decays in the Dalitz plot has been measured by the NA48/2 experiment at the CERN SPS with a sample of $4.71 \times 1 0^{8}$ fully reconstr…

hep-ex2006★ 15 cited

Search for direct CP violation in the decays K\pm \to 3π\pm

2 Collaboration, J. R. Batley

We report a measurement of the direct CP violation asymmetry parameter $A_{g}$ in charged kaon decays $K^{\pm} \to π^{\pm} π^{+} π^{-}$ by the NA48/2 experiment at the CERN SPS. The experiment h…

hep-ex2004★ 36 cited

Measurement of K^0_e3 form factors

NA48 collaboration

The semileptonic decay of the neutral K meson, KL -> pi e nu (Ke3), was used to study the strangeness-changing weak interaction of hadrons. A sample of 5.6 million reconstructed ev…

hep-ex2004★ 16 cited

Search for CP violation in K0 -> 3 pi0 decays

NA48 Collaboration

Using data taken during the year 2000 with the NA48 detector at the CERN SPS, a search for the CP violating decay K_S -> 3 pi0 has been performed. From a fit to the lifetime distri…

hep-ex2003★ 9 cited

First observation of the KS->pi0 gamma gamma decay

NA48 Collaboration

Using the NA48 detector at the CERN SPS, 31 KS->pi0 gamma gamma candidates with an estimated background of 13.7 +- 3.2 events have been observed. This first observation leads to a…

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

First observation and study of the K±→π0π0μ±ν decay

Searches for lepton number violating K+ decays

Searches for Lepton Number Violation and Resonances in K±→πμμ Decays

Search for K+→π+ννˉ at NA62

Recent results and prospects for NA62 experiment

ChPT tests at the NA48 and NA62 experiments at CERN

The NA62 experiment at CERN: status and perspectives

New measurement of the charged kaon semileptonic (Ke4) decay Branching Ratio and Hadronic Form Factors

New Precise Measurements of the $\xilamgam$ and $\xisiggam$ Decay Asymmetries

Determination of the S-wave pi pi scattering lengths from a study of K+- -> pi+- pi0 pi0 decays

Precise measurement of the K+- --> pi+-e+e- decay

First Observation and Measurement of the Decay K+- -> pi+- e+ e- gamma

First observation and branching fraction and decay parameter measurements of the weak radiative decay Xi0 --> Lambda e+e-

Measurement of the Dalitz plot slope parameters of the K±→π±π+π− decay

Search for direct CP violation in the decays K\pm \to 3π\pm

Measurement of K^0_e3 form factors

Search for CP violation in K0 -> 3 pi0 decays

First observation of the KS->pi0 gamma gamma decay

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

First observation and study of the $K^{\pm} \to π^{0} π^{0} μ^{\pm} ν$ decay

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

Searches for Lepton Number Violation and Resonances in $K^{\pm} \to π μμ$ Decays

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

Measurement of the Dalitz plot slope parameters of the $K^{\pm} \to π^{\pm} π^{+} π^{-}$ decay