L. Calcul, D. Présenté-ici-a-Été-fait-en-utilisant-le-code, and F. , Les facteurs spectroscopiques correspondent à l'ajustement de valeurs théoriques (calcul DWBA) sur les données physiques (relation A.25) Pour cela nous avons ajusté les distributions angulaires obtenues de façon à minimiser l'écart entre les valeurs calculées et les valeurs expérimentales, Les erreurs statistiques résultant de cet ajustement sont présentées sur le tableau 5.1. 2. E d = 25,4 MeV pour Cooper et al

E. Figure, ? Simulation de la différence entre l'énergie du proton issu de la réaction d( 8 He, p) 9 He (a) cible de 320 µg/cm 2 et (b) cible de 546 µg

. Enfin, La figure E.3 montre que la différence de perte d'énergie des protons de haute énergie entre les deux cibles est négligeable (pic centré à 30 keV dans les deux cas) Pour les protons de basse énergie qui correspondent à la queue de distribution des spectres de la figure E.3, la différence de perte d'énergie est au maximum de 30 keV entre les deux cibles. Par ailleurs, nous constatons sur la figure E.1 que pour l' 9 He une gamme d'énergie du proton de 1 MeV correspond à une gamme d'énergie d'excitation de 5 MeV. Donc la différence de perte d'énergie entre les deux cibles, et par conséquent l'augmentation de largeur en énergie due à la sommation des deux types de mesure

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