富锡同位素反应的等标度与核对称能
Isoscaling in Reactions on Enriched Tin Isotopes and Nuclear Symmetry Energy
摘要：
研究了~（12）C离子诱导富锡同位素反应中的同位旋效应。针对产物核的不同质量区域确定了等标度参数B。结果表明，等标度参数对产物的形成机理敏感，且随不对称性差异的增大而增大。利用捕集器技术温度测量的出射能量，确定了质子和氘诱发反应不同质量区产物核的密度比ro/ro_0和轻质量区产物核的对称能量系数值。
英文摘要：
Isospin effects in 12C ion induced reactions on enriched tin isotopes are investigated. The isoscaling parameter B is determined for different mass regions of product nuclei. It is shown that the isoscaling parameter is sensitive to the formation mechanism of products, and increases as the difference in the asymmetry is increasing. Using the exitatation energy obtained with the catcher technique temperatures, density ratio ro/ro0 for product nuclei in different mass regions and the values of symmetry energy coefficient for light mass regions of product nuclei for proton and deuteron induced reactions are determined.
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