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arXiv 2103.04326hep-ex
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用蒙特卡罗模拟研究$\sqrt{s}$ = 8 TeV pp碰撞中LHC与Z $^{\prime}$玻色子有关的暗物质产生

Search for dark matter production in association with the Z$^{\prime}$ boson at the LHC in pp collisions at $\sqrt{s}$ = 8 TeV using Monte Carlo simulations

S. Elgammal, M. A. Louka, A. Y. Ellithi, M. T. Hussein

摘要:

该分析提出了在大型强子对撞机(LHC)上使用Z $^{\prime}$重规范玻色子和大的缺失横向动量的事件来搜索暗物质(DM)粒子的可能性。我们考虑Z $^{\prime}$的μ子衰变。所分析的蒙特卡罗样本是CMS协作产生的质子-质子碰撞的开放模拟文件,对应于LHC运行I的积分光度,具有19.7 fb $^{-1}$,$\sqrt{s} = $ 8 TeV。两个方案,一个简化的基准方案,所谓的黑暗希格斯和有效场论(EFT)的形式主义,被用来解释。限制设置在两个Z $^{\prime}$,暗物质质量和截止尺度的EFT。

英文摘要:

This analysis presents the possibility for the search for Dark Matter (DM) particles using events with a Z$^{\prime}$ heavy gauge boson and a large missing transverse momentum at the Large Hadron Collider (LHC). We consider the muonic decay of Z$^{\prime}$. The analyzed Monte Carlo samples were the Open simulated files produced by the CMS collaboration for proton-proton collisions correspond to an integrated luminosity of the LHC run-I with 19.7 fb$^{-1}$ at $\sqrt{s} = $ 8 TeV. Two scenarios, one simplified benchmark scenario so called Dark Higgs and the effective field theory (EFT) formalism, were used for interpretations. Limits are set on both Z$^{\prime}$, dark matter masses and the cutoff scale of the EFT.

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