BESIII reports first observation of a threshold enhancement in the π⁺π⁻ mass spectrum from ψ(3686)→π⁺π⁻J/ψ with fitted mass 285.6±2.5 MeV/c², width 16.3±0.9 MeV and >10σ significance.
D’Agostini, Nucl
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A general framework quantifies correlation-induced uncertainties in precision data combinations and applies it to e+e- to hadrons cross sections for muon g-2 HVP determinations.
High-statistics measurement of νμ CC 1π+ production cross sections on scintillator with zero pion KE threshold shows modern models disagree with data by up to 20% in key regions.
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Observation of a threshold enhancement in the $\pi^+\pi^-$ spectrum in $\psi(3686) \rightarrow \pi^{+}\pi^{-}J/\psi$ decays
BESIII reports first observation of a threshold enhancement in the π⁺π⁻ mass spectrum from ψ(3686)→π⁺π⁻J/ψ with fitted mass 285.6±2.5 MeV/c², width 16.3±0.9 MeV and >10σ significance.
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Muon $g$$-$2: correlation-induced uncertainties in precision data combinations
A general framework quantifies correlation-induced uncertainties in precision data combinations and applies it to e+e- to hadrons cross sections for muon g-2 HVP determinations.
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High Statistics Measurements of $\nu_{\mu}$ Charged-Current Single $\pi^{+}$ Production with Zero Pion Kinetic Energy Threshold in MINERvA
High-statistics measurement of νμ CC 1π+ production cross sections on scintillator with zero pion KE threshold shows modern models disagree with data by up to 20% in key regions.