论文标题
在精确审查下部分综合性
Partial compositeness under precision scrutiny
论文作者
论文摘要
我们重新审视了在未对准的真空基础上,顶部局部综合对Electroweak Precision可观察物的影响。我们确定了单元混合案例中$ s $的新来源,以及$ s $ -t $ t $在双 - doublet混合中的新来源,这是由于顶级合作伙伴的量规耦合的不对准而导致的。因此,正如最近的CDF测量$ W $质量所偏爱的那样,在两种情况下,$ t $都可以进行积极转变。这些结果是针对最小基础coset su(4)/sp(4)获得的,适用于具有最高部分综合性的任何复合HIGGS模型。
We revisit the impact of top partial compositeness on electroweak precision observables in the misaligned vacuum basis. We identify a new source for $S$ in the singlet mixing case, and for $S$-$T$ in the bi-doublet mixing, stemming from misalignment in the gauge couplings of the top partners. Hence, a positive shift in $T$ can be obtained in both cases, as preferred by the recent CDF measurement of the $W$ mass. These results, obtained for the minimal fundamental coset SU(4)/Sp(4), apply to any composite Higgs model with top partial compositeness.