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(20)Ne((16)O, (16)O)(20)Ne Excitation Function at (Theta)(sub CM) = 90 deg. and Parity - Dependent Interactions.

机译:(20)Ne((16)O,(16)O)(20)在(θ)(sub Cm)= 90度的Ne激发函数。和平等 - 依赖的相互作用。

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The excitation function for (16)O + (20)Ne elastic scattering at (theta)(sub CM) = 90 deg. has been measured over the energy range between 21.5 MeV and 31.2 MeV and analysed within the framework of an extended optical model, in order to place additional constraints on spin assignments to resonant states, and hence constraints on the parity dependent part of the (16)O - (20)Ne potential. A satisfactory description is obtained of elastic scattering excitation functions at (theta)(sub CM). = 154 deg. +- 2 deg. with a potential which is deeper for even than for odd partial waves. Such a parity dependence is consistent with the assumption that this term arises from a requirement to simulate the effects of (alpha)-transfer amplitudes, and with the expectations of models which argue that parity dependence is to be expected as a consequence of the Pauli principle. (Atomindex citation 20:043799)

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