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arXiv 1006.4237hep-ph
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在LHC上通过弱玻色子融合对与光子有关的希格斯玻色子产生的次领先级QCD修正

Next-to-leading order QCD corrections to Higgs boson production in association with a photon via weak-boson fusion at the LHC

Ken Arnold, Terrance Figy, Barbara Jager, Dieter Zeppenfeld

摘要:

希格斯玻色子的产生与一个硬中心光子和两个前向标记喷流相关联,预计将提供有价值的信息希格斯玻色子耦合的范围内,这是很难解开弱玻色子融合过程从大QCD背景。我们提出了次领先阶QCD修正与光子通过弱玻色子融合在强子对撞机的形式,灵活的部分子水平的蒙特卡罗程序的希格斯生产。积分截面的QCD修正被发现是小的实验相关的选择切割,而形状的运动学分布可以扭曲高达20%,在某些区域的相空间。次领先订单的剩余规模不确定性处于百分之几的水平。

英文摘要:

Higgs boson production in association with a hard central photon and two forward tagging jets is expected to provide valuable information on Higgs boson couplings in a range where it is difficult to disentangle weak-boson fusion processes from large QCD backgrounds. We present next-to-leading order QCD corrections to Higgs production in association with a photon via weak-boson fusion at a hadron collider in the form of a flexible parton-level Monte Carlo program. The QCD corrections to integrated cross sections are found to be small for experimentally relevant selection cuts, while the shape of kinematic distributions can be distorted by up to 20% in some regions of phase space. Residual scale uncertainties at next-to-leading order are at the few-percent level.

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