论文标题

新的$ W $ -BOSON质量根据双重扭曲的Braneworld模型

New $W$-Boson mass in the light of doubly warped braneworld model

论文作者

Barman, Basabendu, Das, Ashmita, Sengupta, Soumitra

论文摘要

CDF合作的最新观察结果揭示了$ W $ Boson的质量修改。在这方面,我们表明,在$ W $玻色子的质量中进行了这种修改,可以在6维扭曲的几何模型的背景下得到很好的解释,其中双翘曲与两个额外的空间尺寸相关。我们认为所有标准模型场都驻留在大容量中,在该大量中,散装希格斯场在6维时空中引起了自发对称性破裂。允许在两个模量之间进行一些层次结构,我们完全获得了$ w $ boson的观察到的质量,该质量被确定为$(3+1)$ dimensional可见的brane的散装$ w $ boson的最低的kaluza-klein质量模式。 5维Randall-Sundrum场景的基本特征,例如在不引入Planck和TEV量表之间的任何中间尺度的情况下解决量规层次结构问题,仍然完好无损。

The recent observation by CDF collaboration has disclosed a modification in the mass of the $W$ boson. In this regard we show that this modification in the mass of the $W$ boson can be well explained in the background of a 6-dimensional warped geometry model, where the double warping is associated with the two extra spatial dimensions. We consider that all the Standard Model fields are residing in the bulk, where the bulk Higgs field gives rise to the spontaneous symmetry breaking in the 6-dimensional spacetime. Allowing a little hierarchy between the two moduli we exactly obtain the observed mass for the $W$ boson, which is identified as the lowest lying Kaluza-Klein mass mode of the bulk $W$ boson on the $(3+1)$ dimensional visible brane. The essential feature of the 5-dimensional Randall-Sundrum scenario such as the resolution of the gauge hierarchy problem without introducing any intermediate scale between the Planck and the TeV scale, remains intact.

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