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arXiv 1210.8166hep-phhep-ex
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LHC希格斯玻色子对产生中的新物理

New Physics in LHC Higgs boson pair production

Matthew J. Dolan, Christoph Englert, Michael Spannowsky

摘要:

多希格斯粒子的产生为电弱对称破缺提供了一个现象学上清晰的窗口。我们对di-Higgs和di-Higgs+喷流产生中的新电弱物理效应进行了全面和比较分析。特别是,我们讨论了共振二希格斯现象,这是在希格斯门模型和MSSM在小谭β,和非共振新的物理贡献二希格斯生产的模型中,新发现的希格斯候选人被解释为伪南布-戈德斯通玻色子。我们表明,对于所有这些情况下,测量的di-希格斯和di-希格斯+喷流的最终状态提供了一个方便和详细的处理,以了解电弱对称性破缺非常详细。

英文摘要:

Multi-Higgs production provides a phenomenologically clear window to the electroweak symmetry breaking sector. We perform a comprehensive and comparative analysis of new electroweak physics effects in di-Higgs and di-Higgs+jet production. In particular, we discuss resonant di-Higgs phenomenology, which arises in the Higgs portal model and in the MSSM at small tan beta, and non-resonant new physics contributions to di-Higgs production in models where the newly discovered Higgs candidate is interpreted as a pseudo-Nambu-Goldstone boson. We show that, for all these scenarios, a measurement of the di-Higgs and di-Higgs+jet final states provides an accessible and elaborate handle to understand electroweak symmetry breaking in great detail.

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