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传统大爆炸模型成功预测了2H(D)、3He和4He的初始丰度,与观测数据高度一致。然而,7Li的丰度预测却存在约三倍高于观测值的持续挑战。尽管多年来通过传统核物理方法进行了大量研究以解决这一矛盾,锂异常之谜依然未解。在此背景下,我们应用Tsallis非广延统计探讨轻元素丰度的大爆炸核合成(BBN)。比较了非广延参数q偏离1时的计算结果与观测数据及传统大爆炸模型预测的丰度,发现4He、3He和7Li的丰度相较而言吻合良好,暗示锂丰度难题可能源于用于确定BBN的物理成分的微妙调节。然而,氘丰度与观测存在偏差。
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Bertulani等人(Wed,)研究了这一问题。
www.synapsesocial.com/papers/68e6de67b6db643587659ec4 — DOI: https://doi.org/10.48550/arxiv.2404.15832
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:
C. A. Bertulani
R. Chatterjee Shubhchintak
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