{"id":117089,"date":"2022-05-31T08:03:53","date_gmt":"2022-05-31T07:03:53","guid":{"rendered":"https:\/\/material-properties.org\/quest-ce-que-la-courbe-de-liaison-nucleaire-definition\/"},"modified":"2022-05-31T08:03:53","modified_gmt":"2022-05-31T07:03:53","slug":"quest-ce-que-la-courbe-de-liaison-nucleaire-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quest-ce-que-la-courbe-de-liaison-nucleaire-definition\/","title":{"rendered":"Qu’est-ce que la courbe de liaison nucl\u00e9aire – D\u00e9finition"},"content":{"rendered":"

\n
\"Courbe<\/a>
{%L\u00c9GENDE%}<\/span><\/figcaption><\/figure>\n

Si la scission lib\u00e8re de l’\u00e9nergie et que la fusion lib\u00e8re de l’\u00e9nergie, alors o\u00f9 est le point de rupture? Pour comprendre ce probl\u00e8me, il est pr\u00e9f\u00e9rable de relier l’\u00e9nergie de liaison \u00e0 un nucl\u00e9on, pour obtenir\u00a0<\/span>la courbe de liaison nucl\u00e9aire<\/span><\/strong>.\u00a0L’\u00e9nergie de liaison par nucl\u00e9on n’est pas lin\u00e9aire.\u00a0Il y a un pic dans la courbe d’\u00e9nergie de liaison dans la r\u00e9gion de stabilit\u00e9 pr\u00e8s\u00a0<\/span>du fer<\/span><\/strong>\u00a0et cela signifie que soit la rupture de noyaux plus lourds que le fer, soit la combinaison de noyaux plus l\u00e9gers que le fer produira de l’\u00e9nergie.<\/span><\/p>\n

La raison pour laquelle la tendance s’inverse apr\u00e8s le pic de fer est la charge positive croissante des noyaux.\u00a0La force \u00e9lectrique a une plus grande port\u00e9e que la force nucl\u00e9aire forte.\u00a0Alors que la force nucl\u00e9aire forte ne lie que des voisins proches, la force \u00e9lectrique de chaque proton repousse les autres protons.<\/span><\/p><\/div><\/div><\/span><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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