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arXiv 1702.05098hep-ph
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100 TeV的弱玻色子融合

Weak Boson Fusion at 100 TeV

Dorival Goncalves, Tilman Plehn, Jennifer M. Thompson

摘要:

从大型强子对撞机的运行中,我们知道,随着对撞机能量的增加,弱玻色子聚变希格斯粒子的产生在精确测量的环境中占主导地位。我们展示了未来的强子对撞机如何执行三个具有挑战性的基准签名。由于所有这些测量依赖于标记喷流签名,我们首先给出了一个全面的分析弱玻色子融合运动学和建议的两步喷流否决在100 TeV的强子对撞机。然后,我们发现这台机器是敏感的无形希格斯分支比的0.5%,第二代μ子汤川耦合的2%,和增强的总希格斯宽度约5%,后者基本上没有模型依赖性。这种性能关键依赖于足够的探测器覆盖范围和专用的弱玻色子融合触发通道。

英文摘要:

From the LHC runs we know that, with increasing collider energy, weak-boson-fusion Higgs production dominates as an environment for precision measurements. We show how a future hadron collider performs for three challenging benchmark signatures. Because all of these measurements rely on the tagging jet signature, we first give a comprehensive analysis of weak-boson-fusion kinematics and a proposed two-step jet veto at a 100 TeV hadron collider. We then find this machine to be sensitive to invisible Higgs branching ratios of 0.5%, a second-generation muon Yukawa coupling of 2%, and an enhanced total Higgs width of around 5%, the latter with essentially no model dependence. This kind of performance crucially relies on a sufficient detector coverage and a dedicated weak-boson-fusion trigger channel.

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