论文标题
激光对$ z $ -boson衰减的最终产品的效果
Laser effect on the final products of $Z$-boson decay
论文作者
论文摘要
实验者长期以来一直在寻求一种方法，使他们能够控制不稳定的粒子衰变的分支比，并指导某些衰减以遵循一个没有另一个特定的所需通道。强大的激光可以使这个梦想成真。在这封信和标准电动型模型的框架内，我们从理论上研究了激光对不同$ z $ -boson衰减模式的分支效果，通过分析分析计算$ z $ -BOSON衰减到一对fermion-andifermion $（z \ rightarrow f \ f \ \ f \ \ f \ f \ f \ f \ f \ f \ f \ f \ f \ {f \ firon field field field field field fieldermited coundermited commultialder的循环中。据发现，在高强度下，$ z $ -BOSON只能看不见地腐烂到中微子，并且由于Fermions在电磁场内获得的有效质量的增加，因此无法衰减到其他任何带电的费米子中。还包括激光频率和强度对寿命的影响，以确认先前论文[Mouslih s \ textit {et al} 2020 \ textit {phys {phys。 Rev. D} \ TextBf {102} 073006]。
Experimentalists have long sought a method that allows them to control as they like the branching ratios of an unstable particle decay and direct some decay to follow one specific desired channel without another. The powerful laser could make this dream come true. In this Letter and within the framework of the standard electroweak model, we investigate theoretically the laser effect on the branching ratios of different $Z$-boson decay modes by calculating analytically the $Z$-boson decay into a pair of fermion-antifermion $(Z\rightarrow f\bar{f})$ in the presence of a circularly polarized electromagnetic field. It is found that, at high intensities, the $Z$-boson could only decay invisibly into neutrinos, and its decay into any other pair of charged fermions becomes impossible due to the increase in the effective mass that fermions acquire inside the electromagnetic field. The influence of the laser frequency and intensity on the lifetime is also included in order to confirm the surprising result obtained for the pion lifetime in a previous paper [ Mouslih S \textit{et al} 2020 \textit{Phys. Rev. D} \textbf{102} 073006 ].
