论文标题
通过在LHEC上通过w w融合到希格斯玻色子生产到希格斯玻色子的校正
Electroweak corrections to Higgs boson production via W W fusion at the future LHeC
论文作者
论文摘要
Quark Yukawa耦合的精确度量是Higgs Property研究的关键方面。大型强子电子对撞机（LHEC）被提议作为大型强子撞机（LHC）的未来升级，提供了与LHC的HIGGS工艺相比，QCD背景的速率相对较低，因此提供了较高精度的Quark Yukawa耦合的机会。为此，重要的是要对LHEC的HIGGS生产率进行精确预测。 LHEC的希格斯玻色子的领先生产通道是通过弱玻色子融合（WBF），其具有前向标记喷射的独特运动特征。由于WBF过程中的前向物体之间没有颜色交换，因此Electroweak辐射校正变得尤为重要。在本文中，我们将重点放在LHEC的WBF通道中的Higgs Boson生产下的近层辐射校正上。在我们使用的两种重归其化方案中，相对于领先顺序结果，环校正分别在9％和18％的水平下，两种方案中的次次领先计算都同意从扰动方法中预期的截断错误。 EW校正的大小超过了QCD辐射的大小，并且证明对Higgs现象学研究很重要。
Precision measurement of quark Yukawa couplings is a crucial aspect of Higgs property study. Proposed as a future upgrade of the Large Hadron Collider (LHC), the Large Hadron electron Collider (LHeC) provides opportunities to probe quark Yukawa couplings with a high precision because of relatively low rate from QCD background as compared with that of the Higgs processes at the LHC. For this purpose, it is important to have a precision prediction of the Higgs production rate at the LHeC. The leading production channel of the Higgs boson at the LHeC is via weak boson fusion (WBF) which has the unique kinematic feature of forward tagging jets. Since there is no color exchange between the forward-backward objects in WBF processes, electroweak radiative corrections become particularly important. In this paper, we focus on the electroweak radiative corrections at next-to-leading order for Higgs boson production in the WBF channel at the LHeC. In the two renormalization schemes we use, the loop corrections are respectively at the level of 9% and 18% relative to the leading order result, and the next-to-leading calculation in both schemes agree up to a truncation error expected from the perturbative method. The size of the EW correction exceeds that from QCD radiations and is shown to be important for the study of Higgs phenomenology.
