Abstract

Excitation functions were redetermined for the reactions /sup 118/Sn(/sup 40/Ar,5-6n)/sup 153 -152/Er and /sup 74/Ge(/sup 84/Kr,5-6n)/sup 153 -152/Er, at two accelerators. Data obtained at the two accelerators agree. The new energy values are, however, different from those published earlier, and no significant differences occur between the (Ar,xn) and (Kr,xn) reactions leading to the same product nucleus. Thus, special mechanisms, such as pre-equilibrium neutron emission and angular-momentum windows, are not needed to interpret the new data.

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