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arXiv 1206.0139nucl-thastro-ph.HE
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相对论核模型中轻团簇的描述

Description of light clusters in relativistic nuclear models

Márcio Ferreira, Constança Providência

摘要:

在相对论平均场论中,轻团簇被包含在核物质的物态方程中。讨论了团簇-介子耦合常数对溶解密度的影响。理论和实验的限制被用来固定集团介子耦合。计算了有限温度下处于化学平衡的非对称物质的相对轻团簇分数。发现T = 5 MeV以上的氘和氚是丰度较大的团簇。结果并不强烈依赖于所选择的相对论平均场相互作用。

英文摘要:

Light clusters are included in the equation of state of nuclear matter within the relativistic mean field theory. The effect of the cluster-meson coupling constants on the dissolution density is discussed. Theoretical and experimental constraints are used to fix the cluster-meson couplings. The relative light cluster fractions are calculated for asymmetric matter in chemical equilibrium at finite temperature. It is found that above T = 5 MeV deuterons and tritons are the clusters in larger abundances. The results do not depend strongly on the relativistic mean field interaction chosen.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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