Same-sign charginos and Majorana neutralinos at the CERN LHC

Same-sign charginos and Majorana neutralinos at the CERN LHC
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CERN LHC 中的同号 charginos 和 Majorana 中性子

DOI:
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发表时间:
2007
期刊:
影响因子:
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通讯作者:
D. Rainwater
D. Rainwater
中科院分区:
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文献类型:
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作者:
J. Alwall;T. Plehn;D. Rainwater

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以超对称同号电荷核为例,论证了在弱玻色子融合中研究弱相互作用新粒子的可能性。这个信号可以确定马约拉纳中性伴子的存在,并获得它们的电弱耦合。它可以在(超对称)QCD背景下观察到,只要电荷粒子很轻,并且不太接近夸克质量。最后,我们展示了如何相同的符号费米子生产可以从相同的符号标量或矢量中产生的其他模型的新物理学区分。
We demonstrate the possibility of studying weakly interacting new particles in weak-boson fusion, using the example of supersymmetric same-sign charginos. This signal could establish the existence of Majorana neutralinos and give access to their electroweak couplings. It can be observed over (supersymmetric) QCD backgrounds provided the charginos are light and not too close to the squark mass. We finally show how same-sign fermion production can be distinguished from same-sign scalars or vectors arising in other models of new physics.