论文标题

W-Boson质量异常对原子均等违规的影响

Implications of W-boson mass anomaly for atomic parity violation

论文作者

Tan, H. B. Tran, Derevianko, A.

论文摘要

我们考虑了W-Boson质量$ M_W $ [Science 376,170(2022)]最近测量的含义。我们表明,$ m_w $的变化移动了$ {}^{}^{133} $ cs核弱充电到$ q_w({}^{133} {\ rm cs})= -72.85(6)$,从当前值$5.5σ$。这将现有的实验结果带入了$ q_w({}^{133} {\ rm cs})$与标准模型的基本协议中。使用我们的修订值$ q_w({}^{133} {\ rm cs})$,我们重新调整了超出标准模型的物理的约束。

We consider the implication of the recent measurement of the W-boson mass $M_W$ [Science 376, 170 (2022)] for atomic parity violation experiments. We show that the change in $M_W$ shifts the Standard Model prediction for the ${}^{133}$Cs nuclear weak charge to $Q_W({}^{133}{\rm Cs})=-72.85(6)$, i.e. by $5.5σ$ from its current value. This brings existing experimental result for $Q_W({}^{133}{\rm Cs})$ into an essential agreement with the Standard Model. Using our revised value for $Q_W({}^{133}{\rm Cs})$, we readjust constraints on physics beyond the Standard Model.

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