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arXiv 2002.07038hep-phhep-ex
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在LHC上通过A -> Z* h进行的低于阈值CP奇希格斯玻色子搜索

Below-threshold CP-odd Higgs boson search via A -> Z* h at the LHC

E. Accomando, M. Chapman, A. Maury, S. Moretti

摘要:

研究了2-Higgs二重模型中的过程q q,g g-> A -> Z* h,其中CP奇Higgs态A的质量低于Z和h粒子的静止质量(后者是标准模型的类Higgs态),即,mA < mZ + mh = 215 GeV。这是一个目前还没有被ATLAS和CMS在这个通道中测试的质量范围,但我们表明,在2002年和2003年期间已经可以对它敏感,假设规范玻色子和底反底夸克的轻子衰变的希格斯玻色子。

英文摘要:

We study the process q q, g g -> A -> Z* h in a 2-Higgs Doublet Model Type-II where the mass of the CP-odd Higgs state A is lower than the rest mass of the Z and h particles (the latter being the Standard Model-like Higgs state), i.e., mA < mZ + mh = 215 GeV. This is a mass range which is not being currently tested by ATLAS and CMS in this channel, yet we show that there can be sensitivity to it already during Runs 2 and 3, assuming leptonic decays of the gauge boson and bottom-antibottom quark ones for the Higgs boson.

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