Sökning: "Olov Junker"

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  1. 1. Helicity amplitudes for the transition from the spin-3/2 Sigma to the Lambda hyperon

    Master-uppsats, Uppsala universitet/Kärnfysik

    Författare :Olov Junker; [2020]
    Nyckelord :hyperons; helicity amplitudes; dispersion theory; chiral perturbation theory;

    Sammanfattning : The helicity amplitudes of the scattering reaction Sigma* bar Lambda -> pi+ pi- at energies below 1 GeV are calculated. They are part of a project of determining the low energy Sigma* to Lambda transition form factors using dispersion theory. The helicity amplitudes require the Feynman amplitudes of Sigma* bar Lambda -> pi+ pi- as input. LÄS MER