Title: Searching for single production of vectorlike quarks decaying into Wb at a future muon-proton collider Show Chinese title

Title: 在未来的μ子质子对撞机上寻找矢量样夸克单产生并衰变为Wb的实验

Abstract: This work investigates the discovery potential for singly produced vectorlike quarks~(VLQs) $T$ ($Q=+2/3e$) and $Y$ ($Q=-4/3e$) decaying to $Wb$ at future $\mu p$ colliders with $\sqrt{s}=5.29$, 6.48, and 9.16 TeV, analyzing both leptonic and hadronic $W$ decay channels through detailed detector simulations. The hadronic channel demonstrates superior sensitivity, enabling $5\sigma$ discovery up to $m_T=3750$ GeV ($m_Y=4100$ GeV) at 9.16 TeV with 100 fb$^{-1}$, while exclusion limits reach $m_T=4500$ GeV ($g^*\geq0.06$) and $m_Y=4800$ GeV ($\kappa_Y\geq0.04$) - significantly beyond LHC capabilities. At 5.29 TeV, discovery regions cover $g^*\in[0.15,0.5]$ for $m_T\in[1500,2520]$ GeV and $\kappa_Y\in[0.12,0.5]$ for $m_Y\in[1700,2700]$ GeV, with exclusions extending to $m_T=2750$ GeV and $m_Y=3020$ GeV. These results, obtained within a simplified two-parameter framework ($m_{T/Y}$ and electroweak couplings $g^{\ast}$), establish $\mu p$ colliders as uniquely powerful tools for probing high-mass VLQ states, particularly in the boosted jet regime. Show Chinese abstract

Abstract: 这项工作研究了在未来的$\mu p$对撞机上，通过详细的探测器模拟分析轻子和强子$W$末态，对单产生向量样夸克~(VLQs)$T$($Q=+2/3e$) 和$Y$($Q=-4/3e$) 衰变成$Wb$的发现潜力，对撞能量分别为$\sqrt{s}=5.29$, 6.48 和 9.16 TeV。 强子通道表现出更高的灵敏度，在100 fb$^{-1}$下，可在9.16 TeV时实现$5\sigma$的发现，达到$m_T=3750$ GeV ($m_Y=4100$ GeV)，而排除限达到$m_T=4500$ GeV ($g^*\geq0.06$) 和$m_Y=4800$ GeV ($\kappa_Y\geq0.04$) - 显著超越LHC的能力。 在5.29 TeV时，发现区域覆盖$g^*\in[0.15,0.5]$为$m_T\in[1500,2520]$GeV和$\kappa_Y\in[0.12,0.5]$为$m_Y\in[1700,2700]$GeV，排除区域延伸至$m_T=2750$GeV和$m_Y=3020$GeV。 这些结果是在简化的两参数框架（$m_{T/Y}$和电弱耦合$g^{\ast}$）中获得的，确立了$\mu p$对撞机作为探测高质量 VLQ 状态的独特强大工具，尤其是在增强喷注区域。