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arXiv 1807.02529hep-ph
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带电电流深度非弹性散射中喷流产生的NNLO QCD修正

NNLO QCD Corrections to Jet Production in Charged Current Deep Inelastic Scattering

J. Niehues, D. M. Walker

摘要:

带电电流深非弹性散射(CC DIS)中射流的产生构成了一类可观测量,可用于同时测试标准模型的强和电弱扇区的微扰预测。我们计算了单射流和双射流生产在CC DIS的第一次在次到次到主导顺序(NNLO)的强耦合。我们的计算是完全差分的射流和轻子运动学,我们观察到的NNLO预测的规模变化的不确定性相比,下一个领先的顺序(NLO)大幅减少。我们的计算将被证明是必要的充分利用数据在未来可能的LHeC对撞机。

英文摘要:

The production of jets in charged current deep inelastic scattering (CC DIS) constitutes a class of observables that can be used to simultaneously test perturbative predictions for the strong and the electroweak sectors of the Standard Model. We compute both single jet and di-jet production in CC DIS for the first time at next-to-next-to-leading order (NNLO) in the strong coupling. Our computation is fully differential in the jet and lepton kinematics, and we observe a substantial reduction of scale variation uncertainties in the NNLO predictions compared to next-to-leading order (NLO). Our calculation will prove essential for full exploitation of data at a possible future LHeC collider.

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