Contribution of decay products of transfer reactions to heavy-ion inelastic and transfer spectra |
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Authors: | Y Blumenfeld JC Roynette Ph Chomaz N Frascaria JP Garron JC Jacmart |
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Institution: | Institut de Physique Nucléaire, B. P. 1, 91406 Orsay Cedex, France |
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Abstract: | A study of decay product contributions to inclusive ejectile kinetic energy spectra is presented. Analytical formulae for the positions and widths of these contributions are derived from kinematical considerations. A formal integral expression for the double-differential cross section is given in the case of one-particle emission from an excited state of the ejectile. The effects of anisotropic angular distributions are studied. The differential cross sections are then computed by a Monte Carlo method and compared to experimental spectra over a large range of measured systems. The transfer-evaporation mechanism is shown to contribute strongly to the background of the spectra but not to be responsible for the narrow structure observed in some reactions. |
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Keywords: | Nuclear reactions |
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