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Study of the eta-Be-7 Interaction Near Threshold in p-Li-6 Fusion

Jun, 2008
5 pages
Published in:
  • Int.J.Mod.Phys.E 18 (2009) 1383-1388
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Abstract: (arXiv)
We present a calculation for η\eta production in the p−6Lip-^6Li fusion near threshold including the η−7Be\eta-^7Be final state interaction (FSI). We consider the 6Li^6Li and 7Be^7Be nuclei as α−d\alpha-d and α−3He\alpha-^3He clusters respectively. The calculations are done for the lowest states of 7Be^7Be with J=(32−,12−)J = ({3\over2}^-, {1\over2}^-) resulting from the L=L = 1 radial wave function. The η−7Be\eta-^7Be interaction is incorporated through the η−7Be\eta-^7Be T−T-matrix, constructed from the medium modified matrices for the η−3He\eta-^3He and η−α\eta-\alpha systems. These medium modified matrices are obtained by solving few body equations, where the scattering in nuclear medium is taken into account.