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首页> 外文期刊>Physical review, D >Confronting the neutralino and chargino sector of the NMSSM with the multilepton searches at the LHC
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Confronting the neutralino and chargino sector of the NMSSM with the multilepton searches at the LHC

机译：与Multilepton在LHC上搜索的NMSSM的中性和Chargino部门面对。

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摘要

We test the impact of the ATLAS and CMS multilepton searches performed at the LHC with 8 as well as 13?TeV center-of-mass energy (using only the pre-2018 results) on the chargino and neutralino sector of the next-to-minimal supersymmetric Standard Model (NMSSM). Our purpose consists in analyzing the actual reach of these searches for a full model and in emphasizing effects beyond the minimal supersymmetric Standard Model (MSSM) that affect the performance of current (MSSM-inspired) electroweakino searches. To this end, we consider several scenarios characterizing specific features of the NMSSM electroweakino sector. We then perform a detailed collider study, generating Monte?Carlo events through pythia and testing against current LHC constraints implemented in the public tool checkmate. We find e.g., that supersymmetric decay chains involving intermediate singlino or Higgs-singlet states can modify the naive MSSM-like picture of the constraints by inducing final states with softer or less easily identifiable SM particles—reversely, a compressed configuration with singlino next-to-lightest supersymmetric particle occasionally induces final states that are rich with photons, which could provide complementary search channels.
机译：我们测试地图集和CMS MultiPton搜索的影响，其中LHC在LHC和13岁的13级群众能源（仅在2018年使用前的2018年的结果）上，在接下来的 - 最小的超对称标准模型（NMSSM）。我们的目的在于分析了这些搜索的实际范围，对完整的模型以及强调影响影响当前（MSSM-Inspired）Electoweakino搜索性能的最小超对数标准模型（MSSM）的影响。为此，我们考虑了几种表征NMSSM Electroyeakino Sector的特定功能的场景。然后，我们执行详细的碰撞商学习，通过Pythia生成Monte？Carlo事件，并在公共工具中的当前LHC约束进行测试。我们发现例如涉及中间单次或HIGGS-SINGLE状态的超对称衰减链可以通过诱导更软或更容易识别的SM粒子的最终状态来修改限制的天真MSSM样图片 - 反向，旁边是用SINGLINO的压缩配置 - 最常见的粒子偶尔会诱导富含光子的最终状态，这可以提供互补的搜索通道。

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