论文标题
异常和轴向Z对G-2的贡献
Anomalous and axial Z' contributions to g-2
论文作者
论文摘要
我们研究了异常的Z'Boson对MUON(G-2)异常磁矩的影响,尤其是其轴向耦合的影响。我们主要评估一环对此类耦合(G-2)的负贡献,并查看在两个循环下产生的异常耦合。我们发现参数空间的区域,与一环贡献相比,异常贡献变得可比甚至显着。我们表明,在这种情况下,该理论的截止值足够低,因此可以在下一轮对撞机实验中找到新的带电费米子。我们评论字符串理论方向上的这种上下文的实现。
We study the effects of an anomalous Z' boson on the anomalous magnetic moment of the muon (g-2), and especially the impact of its axial coupling. We mainly evaluate the negative contribution to (g-2) of such couplings at one-loop and look at the anomalous couplings generated at two loops. We find areas of the parameter space, where the anomalous contribution becomes comparable and even dominant compared to the one-loop contribution. We show that in such cases, the cutoff of the theory is sufficiently low, so that new charged fermions can be found in the next round of collider experiments. We comment on the realization of such a context in string theory orientifolds.