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arXiv 2104.00477hep-ph
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LHeC和FCC-he异常$W^+W^-γ$耦合的灵敏度分析

Sensitivity analysis for the anomalous $W^+W^-γ$ couplings at the LHeC and the FCC-he

S. Spor, M. Köksal

摘要:

我们研究了在大型强子电子对撞机(LHeC)和未来圆形强子电子对撞机(FCC-he)上通过$e^- p\,\rightarrow\,e^-γ^*γ^* p\,\rightarrow\,e^-W^+W^-p$过程产生W对的异常$W^+W^-γ$耦合。我们研究了产生的W对的纯强子、半轻子和纯轻子衰变通道。我们假定LHeC的质心能量为TeV的$\sqrt{s}=1.30$和$1.98$,积分光度为10-100 fb $^{-1}$; FCC he的质心能量为TeV的$\sqrt{s}=3.46$和$5.29$,积分光度为100-2000 fb $^{-1}$。在95 $\%$置信水平下,获得的异常偶联$Δκ_γ$和$λ_γ$的最佳限值为$Δκ_γ=[-0.00208; 0.00206]$和$λ_γ=[-0.00174; 0.00834]$。通过比较这些限制与实验的限制,我们提出的过程和未来的$ep$对撞机的潜力。

英文摘要:

We study the anomalous $W^+W^-γ$ couplings in performing the production of the W-pair through the process $e^- p\,\rightarrow\,e^-γ^*γ^* p\,\rightarrow\,e^-W^+W^-p$ at the Large Hadron electron Collider (LHeC) and the Future Circular Collider-hadron electron (FCC-he). We examine the pure hadronic, the semi-leptonic and the pure leptonic decay channels of the produced W-pair. We assume the center-of-mass energies of $\sqrt{s}=1.30$ and $1.98$ TeV and the integrated luminosities of 10-100 fb$^{-1}$ for the LHeC and the center-of-mass energies of $\sqrt{s}=3.46$ and $5.29$ TeV and the integrated luminosities of 100-2000 fb$^{-1}$ for the FCC-he. The best limits at 95$\%$ confidence level obtained for the anomalous couplings $Δκ_γ$ and $λ_γ$ are $Δκ_γ=[-0.00208; 0.00206]$ and $λ_γ=[-0.00174; 0.00834]$. By comparing these limits with the experimental limits, we present the potentials of the process and future $ep$ colliders.

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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