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Suchergebnisse

1781. First study of reaction Ξ^{0}n\rightarrowΞ^{-}p using Ξ^0-nucleus scattering at an electron-positron collider

1782. Search for an axion-like particle in radiative J/? decays

1783. Search for invisible decays of a dark photon using e+e- annihilation data at BESIII

1784. Study of η(1405)/η(1475) in J/\psi \to \gamma {K}_S^0{K}_S^0{\pi}^0 decay

1785. Improved measurement of the absolute branching fraction of inclusive semileptonic ?c plus decay

1786. Evidence for the ηc(2S) → π+π-η decay

1787. Measurement of e+e−→ϕη′ cross sections at center-of-mass energies between 3.508 and 4.600 GeV

1788. Measurements of the Electric and Magnetic Form Factors of the Neutron for Timelike Momentum Transfer

1789. Observation of a New X(3872) Production Process e+ e-? ?X(3872)

1790. First direct measurement of the absolute branching fraction of Σ+ → Λe+υe