Contribution d'échange à la diffusion élastique de particules ɑ par des noyaux légers

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Date

1963

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Persée

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MESR

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Copyright PERSEE 2003-2023. Works reproduced on the PERSEE website are protected by the general rules of the Code of Intellectual Property. For strictly private, scientific or teaching purposes excluding all commercial use, reproduction and communication to the public of this document is permitted on condition that its origin and copyright are clearly mentionned.

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The elastic scattering differential cross section of ɑ-particles by ɑ-nuclei described in the ɑ-model has been calculated in the plane-wave Born approximation. It is shown that, when the target nucleus is Be8 and the range of the interaction between ɑ-particles is zero, the contribution of the heavy-particle stripping mode is very small in comparison with those of the direct and knock-out processes, so that the total differential cross section is forward peaked.

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