Anapole dark matter via vector boson fusion processes at the LHC

Anapole dark matter via vector boson fusion processes at the LHC
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通过大型强子对撞机矢量玻色子融合过程的阿纳极暗物质

DOI:
10.1103/physrevd.100.016017
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发表时间:
2019
期刊:
影响因子:
5
通讯作者:
Starko, Savanna Rae
Starko, Savanna Rae
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Flórez, Andrés;Gurrola, Alfredo;Johns, Will;Maruri, Jessica;Sheldon, Paul;Sinha, Kuver;Starko, Savanna Rae

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暗物质是电中性的,但通过高维算子耦合到电磁流,构成了一类有趣的模型。我们在大型强子对撞机上研究了这类模型,重点是在有效场论(EFT)框架下的阿那普尔矩算子,并利用矢量玻色子融合(VBF)拓扑结构。假设质子-质子碰撞在,我们提出了VBF的背极暗物质(ADM)的截面和运动学分布的EFT,截止尺度和ADM质量的自由参数的函数。我们发现,独特的VBF拓扑结构的两个前喷流和大的双喷流赝快度间隙是有效的,在减少SM背景,导致adiscovery达到所有运动学允许的ADM质量与(1.1)TeV,假设一个集成的光度。
Dark matter that is electrically neutral but couples to the electromagnetic current through higher-dimensional operators constitutes an interesting class of models. We investigate this class of models at the Large Hadron Collider, focusing on the anapole moment operator in an effective field theory (EFT) framework, and utilizing the vector boson fusion (VBF) topology. Assuming proton-proton collisions at, we present the VBF anapole dark matter (ADM) cross sections and kinematic distributions as functions of the free parameters of the EFT, the cutoff scaleand the ADM mass. We find that the distinctive VBF topology of two forward jets and large dijet pseudorapidity gap is effective at reducing SM backgrounds, leading to adiscovery reach for all kinematically allowed ADM masses with(1.1) TeV, assuming an integrated luminosity of.
DOI: 10.1016/0370-2693(87)90234-6
发表时间: 1987
期刊: Physics Letters B
影响因子: 4.4
作者:
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