Abstract:
The absolute astrophysical S factor and cross section for the Li7(d,n0)Be8 and Li7(d,n1)Be8 reactions have been determined using deuteron beams with energies between 45 and 80 keV. The slope of the S factor is consistent with zero in the n0 case but is slightly negative in the n1 case. The S factor for the sum of both neutron groups at c.m. energies below 70 keV is S(E)=5400(±1500)-37(±21)E keV b, where E is the c.m. energy in keV. © 2006 The American Physical Society.
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