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arXiv 0710.4148hep-ph
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MSSM黄金区域及其碰撞子签名

The MSSM golden region and its collider signature

Maxim Perelstein, Christian Spethmann

摘要:

MSSM参数空间中的“黄金区域”是满足实验约束且微调量最小的区域。在这个区域,停止三线性软项是大的,导致两个停止质量本征态之间的显着的质量分裂。因此,较重的停止衰变为较轻的停止和Z玻色子在整个黄金区域中是运动学允许的。我们提出,在大型强子对撞机(LHC)的实验可以通过一个包容的签名,Z+2jb+失踪Et+X搜索这种衰变。我们评估该通道的标准模型背景,并确定一组切割,这将允许检测的超对称贡献在大型强子对撞机的MSSM参数典型的黄金区域。

英文摘要:

The "golden region'' in the MSSM parameter space is the region where the experimental constraints are satisfied and the amount of fine-tuning is minimized. In this region, the stop trilinear soft term is large, leading to a significant mass splitting between the two stop mass eigenstates. As a result, the decay of the heavier stop into the lighter stop and a Z boson is kinematically allowed throughout the golden region. We propose that the experiments at the Large Hadron Collider (LHC) can search for this decay through an inclusive signature, Z+2jb+missing Et+X. We evaluate the Standard Model backgrounds for this channel, and identify a set of cuts that would allow detection of the supersymmetric contribution at the LHC for the MSSM parameters typical of the golden region.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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