Precise predictions for Higgs production in association with a W-boson pair at ILC

被引：1
|
作者：
Mao, Song [1 ]
Wen-Gan, Ma [1 ]
Ren-You, Zhang [1 ]
Lei, Guo [1 ]
Shao-Ming, Wang [1 ]
机构：
[1] USTC, Dept Modern Phys, Hefei 230027, Anhui, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL C | 2009年 / 59卷 / 04期
基金：
中国国家自然科学基金;
关键词：
ELECTROWEAK RADIATIVE-CORRECTIONS; BROKEN SYMMETRIES; LOOP;
D O I：
10.1140/epjc/s10052-008-0728-x
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Higgs-boson production in association with a W-boson pair at e(+)e(-) linear colliders is one of the important processes in probing the coupling between the Higgs boson and vector gauge bosons and discovering the signature of new physics. We describe the impact of the complete electroweak (EW) radiative corrections of O(alpha(ew)) to this process in the standard model (SM) at the International Linear Collider (ILC), and investigate the dependence of the lowest-order (LO) and EW next-to-leading order (NLO) corrected cross sections on the colliding energy root s and the Higgs-boson mass. The LO and NLO EW corrected distributions of the invariant mass of the W-boson pair and the transverse momenta of the final W-boson and Higgs boson are presented. Our numerical results show that the relative EW radiative correction (dew) varies from -19.4% to 0.2% when m(H) = 120 GeV and root s grows from 300 GeV to 1.2 TeV.
引用
收藏
页码：761 / 768
页数：8
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