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arXiv 1107.4461hep-phhep-ex
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探测R-宇称违反在LHeC处的停止共振

Probe R-parity violating stop resonance at the LHeC

Wei Hong-Tang, Zhang Ren-You, Guo Lei, Han Liang, Ma Wen-Gan, Li Xiao-Peng, Wang Ting-Ting

摘要:

我们调查的可能性检测单sqaurk生产在建议的LHeC对撞机,在R-宇称违反超对称性的框架。利用夸克直接共振产生的增强和$\tilde{q}\rightarrow l q$两体衰变末态独特的运动学分布,LHeC提供了前所未有的探测R-破坏$\hat{L}\hat{Q}\hat{D}$相互作用的机会.在100 GeV能量范围内,如果用1个$fb^{-1}$数据对LHeC高不变质量μ子和b夸克末态的SM预言没有明显偏差,则对$\hat{L}\hat{Q}\hat{D}$耦合常数$λ^{'}_{131} \times λ^{'}_{233}$的灵敏度可以提高近4个数量级。

英文摘要:

We investigate the possibility of detecting single sqaurk production at the proposed LHeC collider, in the framework of R-parity violating supersymmetry. Taking advantage of the enhancement of the direct resonance production of squark and the distinctive kinematics distributions of $\tilde{q}\rightarrow l q$ two body decay final states, the LHeC provides excellent opportunities of probing R-violating $\hat{L}\hat{Q}\hat{D}$ interactions at unprecedented level compared to all the knowledge derived from indirect low energy nucleon measurements. If no apparent deviation from SM predictions on high invariant mass of muon and b-quark final states at the LHeC with 1$fb^{-1}$ data, the sensitivities on $\hat{L}\hat{Q}\hat{D}$ coupling constant $λ^{'}_{131} \times λ^{'}_{233}$ can be improved by nearly four orders, at energy scale about 100 GeV.

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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