Higher partial waves in pp→ppη near threshold

  title={Higher partial waves in pp→ppη near threshold},
  author={H.Calen and J.Dyring and G.Faldt and K.Fransson and L.Gustafsson and S.Haggstrom and B.Hoistad and J.Johanson and A.Johansson and T.Johansson and S.Kullander and A.Mortsell and R.Ruber and J.Zlomanczuk and C.Ekstrom and K.Kilian and W.Oelert and T.Sefzick and R.Bilger and W. Brodowski and H.Clement and G.J.Wagner and A.Bondar and A.Kuzmin and B.Shwartz and V.Sidorov and A.Sukhanov and V.Dunin and B.Morosov and A.Povtorejko and A.Zernov and A.Kupsc and P. Marciniewski and J.Stepaniak and J.Zabierowski and A.Turowiecki and Z.Wilhelmi and C.Wilkin},
  journal={Physics Letters B},
  • H.Calen, J.Dyring, +35 authors C.Wilkin
  • Published 1998
  • Physics
  • Physics Letters B
  • Abstract Exclusive measurements of the production of η -mesons in the pp → ppη reaction have been carried out at excess energies of 16 and 37 MeV above threshold. The deviations from phase space are dominated by the proton-proton final state interaction and this influences particularly the energy distribution of the η -meson. However, evidence is also presented at the higher energy for the existence of an anisotropy in the angular distributions of the η -meson and also of the final proton… CONTINUE READING
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