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Open AccessWorkshop summary: Kaons@CERN 2023
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 HI...
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Open AccessImproved calorimetric particle identification in NA62 using machine learning techniques
Measurement of the ultra-rare K + → ...
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Open AccessA study of the K+ → π0e+νγ decay
A sample of 1.3 × 105 K+ → π0e+νγ 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 precis...
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Open AccessSearch for dark photon decays to μ+μ− at NA62
The NA62 experiment at CERN, designed to study the ultra-rare decay K+ → π+ ν ν ...
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Open AccessAddendum to: A measurement of the K+ → π+μ+μ− decay
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Open AccessPerformance of the NA62 trigger system
The NA62 experiment at CERN targets the measurement of the ultra-rare K + ...
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Open AccessA measurement of the K+ → π+μ+μ− decay
A sample of 2.8 × 104 K+ → π+μ+μ− candidates with negligible background was collected by the NA62 experiment at the CERN SPS in 2017–2018. The model-independent branching fraction is measured to be (9.15 ± 0.08) ...
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Open AccessMeasurement of the very rare K+ → \( {\pi}^{+}\nu \overline{\nu} \) decay
The NA62 experiment reports the branching ratio measurement BR ...
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Open AccessSearch for a feebly interacting particle X in the decay K+ → π+X
A search for the K+ → π+X decay, where X is a long-lived feebly interacting particle, is performed through an interpretation of the K+ → ...
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Open AccessSearch for π0 decays to invisible particles
The NA62 experiment at the CERN SPS reports a study of a sample of 4 × 109 tagged π0 mesons from K+ → π+π0(γ), searching for the decay of the π0 to invisible particles. No signal is observed in excess of the expe...
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Open AccessAn investigation of the very rare \( {K}^{+}\to {\pi}^{+}\nu \overline{\nu} \) decay
The NA62 experiment reports an investigation of the K + ...
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Open AccessSearch for production of an invisible dark photon in π0 decays
The results of a search for π0 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 × 108 tagged π0 mesons, no signal is observed. Assu...
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Open AccessNuclear dependence of charm production
Using data taken by SELEX during the 1996–1997 fixed target run at Fermilab, we study the production of charmed hadrons on copper and carbon targets with Σ −, p, π
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Production of V0 pairs in the hyperon experiment WA89
We present a comprehensive study of the inclusive production of V0V0 pairs (V0=Λ, Λ̄ or KS ) by Σ- and π- of 340 GeV/c momentum and neutrons of 260 GeV/c mean momentum in copper and carbon targets. In particular,...
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Observation of a resonance in the KSp decay channel at a mass of 1765 MeV/c2
We report on the observation of a KSp resonance signal at a mass of 1765 ± 5 MeV/c 2, with intrinsic width Γ = 108 ± 22 MeV/c 2, produced inclusively in Σ--nucleus ...
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Measurement of the polarization of \(\Lambda ^0 , \overline \Lambda ^0 , \Sigma ^ + \) and Ξ− produced in a Σ− beam of 330 GeV/c
The polarization of \(\Lambda ^0 , \overline \Lambda ^0 , \Sigma ^ + \) andΘ − inclusively produced inσ } induced ...
