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首页> 美国政府科技报告 >Observation of a Random Component of Transferred Angular Momentum in the Reaction exp 20 Ne + exp 63 Cu: Application of a Monte-Carlo Method for the Deduction of Primary-Fragment Characteristics in Deep Inelastic Collisions
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Observation of a Random Component of Transferred Angular Momentum in the Reaction exp 20 Ne + exp 63 Cu: Application of a Monte-Carlo Method for the Deduction of Primary-Fragment Characteristics in Deep Inelastic Collisions

机译：在反应exp 20 Ne + exp 63 Cu中观察转移角动量的随机分量：monte-Carlo方法在深部非弹性碰撞中推导初级碎片特征的应用

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A general problem in the study of heavy-ion reactions is the deduction of the properties of the primary stage of a nuclear collision from the remnants produced by the decay of the excited fragments. A Monte-Carlo statistical model is applied for the decay of equilibrated fragments to the analysis of the secondary products from the deep inelastic collision of 168 MeV exp 20 Ne with exp 63 Cu. The width of the energy spread of the primary fragments is found to be a factor of two smaller than the laboratory spread. A preliminary analysis of the in-plane and out-of-plane alpha particle angular distributions suggests the presence of a nonequilibrium component in the alpha particle emission and a randomly oriented component in the transferred angular momentum. The predictions of recent models for the introduction of a random component of angular momentum in deep inelastic collisions are compared with the results from analysis of gamma -ray emission in the reaction of exp 20 Ne + exp 63 Cu. 14 references. (ERA citation 05:003808)

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