Showing 1–20 of 54 results
/ Date/ Name
Apr 13, 2025Spectroscopy of Strange Mesons and First Observation of a Strange Crypto-Exotic State with $J^P=0^-$Dec 27, 2024Measurement of the hard exclusive $π^{0}$ muoproduction cross section at COMPASSSep 16, 2024Shedding light on Dark Sectors with high-energy muons at the NA64 experiment at the CERN SPSSep 13, 2024The upper limit on the $K^+ \to π^0π^0π^0e^+ν$ decayJun 4, 202450 GeV $π^-$ in, nothing out: a sensitive probe of invisible $η$ and $η'$ decays with NA64hApr 10, 2024First constraints on the $L_μ-L_τ$ explanation of the muon $g-2$ anomaly from NA64-$e$ at CERNJan 3, 2024Exploration of the Muon $g-2$ and Light Dark Matter explanations in NA64 with the CERN SPS high energy muon beamDec 28, 2023Final COMPASS results on the transverse-spin-dependent azimuthal asymmetries in the pion-induced Drell-Yan processOct 30, 2023Observation of $K^{+} \to π^{+}π^{0}π^{0}γ$ decayOct 25, 2023Searches for the light invisible axion-like particle in $K^{+}\toπ^{+}π^{0}a$ decayAug 29, 2023Probing Light Dark Matter with positron beams at NA64May 30, 2023Measurement of the intrinsic hadronic contamination in the NA64$-e$ high-purity $e^+/e^-$ beam at CERNOct 30, 2022Spin Density Matrix Elements in Exclusive $ρ^0$ Meson MuoproductionOct 27, 2022Measurement of T-odd asymmetry in radiative K+ -> pi0 e+ nu gamma decay using OKA detectorJul 20, 2022Search for a New B-L Z' Gauge Boson with the NA64 Experiment at CERNJun 7, 2022Search for a light muon-philic $Z^\prime$ with the NA64-$e$ experiment at CERNAug 3, 2021The exotic meson $π_1(1600)$ with $J^{PC} = 1^{-+}$ and its decay into $ρ(770)π$Apr 28, 2021Probing transversity by measuring $Λ$ polarisation in SIDISSep 7, 2020Spin Density Matrix Elements in Exclusive $ω$ Meson Muoproduction $^*$Jun 9, 2020Triangle Singularity as the Origin of the $a_1(1420)$