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arXiv 1302.1840hep-ph
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在大型强子对撞机上与W^{ \pm }相关的带电Higgs产生

Charged Higgs Production in Association With W^{\pm} at Large Hadron Colliders

Guo-Li Liu, Fei Wang, Shuo Yang

备注：
17 pages, 11 figures, More references and discussions added. Accepted by Phys. Rev. D
发表信息：
Phys. Rev. D 88, 115006 (2013)
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摘要：

在标准模型之外的许多新的物理模型，如最小希格斯模型和左右孪生希格斯模型，预言了大荷电希格斯耦合H^-q \bar b和H^+b \bar q的存在，其中q=t或新的类矢量重夸克T;另一方面，一些新的物理模型如最小希格斯模型也预言了规范-希格斯耦合。这种耦合可能具有丰富的对撞机现象学。我们把注意力集中在最小希格斯模型和左右孪生希格斯模型引起的耦合上，并考虑它们对大型强子对撞机上W^ \pm H^ \mp产生截面的贡献。我们发现，在最小希格斯模型中，碰撞能量为14 TeV时，在合理的参数空间中，部分子gg \to W^ \pm H^ \mp和q \bar q \to W^ \pm H^ \mp（q=u，d，s，c，b）的碰撞截面可以达到几十个飞秒，在某些有利的空间中，总的截面甚至可以达到几百个飞秒.而在左右双希格斯模型中，其产生率基本上比最小希格斯模型低一个数量级。因此，由于最小希格斯粒子的截面较大，因此有可能通过这个过程在大的参数空间中探测带电希格斯粒子。

英文摘要：

Many new physics models beyond the standard model, such as the littlest higgs models and the left right twin higgs models, predict the existence of the large charged higgs couplings H^-q\bar b and H^+b\bar q, where q=t or the new vector-like heavy quark T; On the other hand, some new physics models like the littlest higgs also predict the gauge-higgs couplings. Such couplings may have rich collider phenomenology. We focus our attention on these couplings induced by the littlest higgs models and the left right twin higgs models models and consider their contributions to the production cross section for W^\pm H^\mp production at the large hadron colliders. We find that the cross sections, in the littlest higgs models, on the parton level gg \to W^\pm H^\mp and q\bar q \to W^\pm H^\mp (q=u,d,s,c,b) may reach tens of several dozen femtobarns in reasonable parameters space at the collision energy of 14 TeV and that the total cross section can even reach a few hundred femtobarns in certain favored space. While in the left right twin higgs models, the production rates are basically one order lower than these in littlest higgs. Therefore, due to the large cross sections of that in the littlest higgs, it may be possible to probe the charged higgs via this process in a large parameter space.

机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。

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