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arXiv · 1211.6800

Triple $Z^0$-boson production in large extra dimensions model at ILC

Jiang Ruo-Cheng·Li Xiao-Zhou·Ma Wen-Gan·Guo Lei·Zhang Ren-You
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Abstract

We investigate the effects induced by the interactions of the Kaluza-Klein (KK) graviton with the standard model (SM) particles on the triple $Z^0$-boson production process at the ILC in the framework of the large extra dimension (LED) model. We present the dependence of the integrated cross sections on the electron-positron colliding energy $\sqrt{s}$, and various kinematic distributions of final $Z^0$ bosons and their subsequential decay products in both the SM and the LED model. We also provide the relationship between the integrated cross section and the fundamental scale $M_S$ by taking the number of the extra dimensions ($d$) as 3, 4, 5, and 6, respectively. The numerical results show that the LED effect can induce a observable relative discrepancy for the integrated cross section ($δ_{LED}$), which can reach the value of $13.11% (9.27%)$ when $M_S = 3.5 (3.8) TeV$ and the colliding energy $\sqrt{s} = 1 TeV$. We find the relative discrepancy of LED effect can even reach few dozen percent in the high transverse momentum area or the central rapidity region of the final $Z^0$-bosons and muons.

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Jiang Ruo-Cheng, Li Xiao-Zhou, Ma Wen-Gan, Guo Lei, Zhang Ren-You. 2012-11-29. Triple $Z^0$-boson production in large extra dimensions model at ILC. https://doi.org/10.1088/0256-307x%2F29%2F11%2F111101

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