Luminosity determination for the pd reaction at 2.14 GeV with WASA-at-COSY
Abstract
The luminosity for a WASA-at-COSY experiment involving the pd reaction at 2.14 GeV proton-beam energy is determined by the forward pd elastic scattering, which yields an average beam-on-target value of [5.20.3(stat)0.3(syst)]*1030 s-1cm-2. In addition, the forward pd elastic-scattering angular distribution is obtained with four-momentum transfer squared -t between 0.16 (GeV/c)2 and 0.78 (GeV/c)2 at this beam energy, which is compared with other experimental data and the pd double scattering model.
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