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arXiv 2006.12487hep-phastro-ph.GAastro-ph.SRhep-ex
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太阳轴子不能解释XENON1T过剩

Solar axions cannot explain the XENON1T excess

Luca Di Luzio, Marco Fedele, Maurizio Giannotti, Federico Mescia, Enrico Nardi

摘要:

我们认为,在太阳轴子的解释,最近的XENON1T过剩是站不住脚的天体物理观测的恒星演化。我们讨论了为什么太阳轴子流的发射强度足以解释异常数据会从根本上改变某些类型的恒星在色星等图中的分布的原因,也会与一定数量的其他天体物理观测相冲突。从数量上看,差异的显著性范围从脉冲白矮星周期变化率的$3.3σ$到$R$参数和$M_{I,{\rm TRGB}}$的$19σ$。

英文摘要:

We argue that the interpretation in terms of solar axions of the recent XENON1T excess is not tenable when confronted with astrophysical observations of stellar evolution. We discuss the reasons why the emission of a flux of solar axions sufficiently intense to explain the anomalous data would radically alter the distribution of certain type of stars in the color-magnitude diagram in first place, and would also clash with a certain number of other astrophysical observables. Quantitatively, the significance of the discrepancy ranges from $3.3σ$ for the rate of period change of pulsating White Dwarfs, and exceedes $19σ$ for the $R$-parameter and for $M_{I,{\rm TRGB}}$.

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