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arXiv 1806.03585hep-ph
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高亮度大型强子对撞机上在$B-L$超对称标准模型中寻找带电希格斯玻色子

Searching for Charged Higgs Bosons in the $B-L$ Supersymmetric Standard Model at the High Luminosity Large Hadron Collider

W. Abdallah, A. Hammad, S. Khalil, S. Moretti

摘要:

在假设$B-L$超对称标准模型(BLSSM)作为理论框架,容纳多个希格斯扇区,我们评估的范围内的高亮度大型强子对撞机(HL-LHC)在访问带电希格斯玻色子($H^\pm$)产生的对从$Z'$衰变。我们表明,通过追求双喷流和τ中微子衰变,可以建立几个信号的$H^\pm$质量范围从约$M_{W}$以上$m_t$和$Z'$质量之间的2.5 TeV和3.5 TeV。这一发现可以实现,甚至在某些情况下在背景自由的环境中,由于非常大质量的共振$Z'$在非常高的横向动量下使带电的希格斯玻色子蒸发,这是一个运动学区域,任何SM噪声都被极大地耗尽。

英文摘要:

Upon assuming the $B-L$ Supersymmetric Standard Model (BLSSM) as theoretical framework accommodating a multi-Higgs sector, we assess the scope of the High Luminosity Large Hadron Collider (HL-LHC) in accessing charged Higgs bosons ($H^\pm$) produced in pairs from $Z'$ decays. We show that, by pursuing both di-jet and tau-neutrino decays, several signals can be established for $H^\pm$ masses ranging from about $M_{W}$ to above $m_t$ and $Z'$ masses between 2.5 TeV and 3.5 TeV. The discovery can be attained, even in a background free environment in some cases, owing to the fact that the very massive resonating $Z'$ ejects the charged Higgs bosons at very high transverse momentum, a kinematic region where any SM noise is hugely depleted.

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