论文标题

像希格斯一样的粒子衰减成$γz$和$γγ$:某些非supermmore Models的指纹

Higgs-like particle decays into $γZ$ and $γγ$ : Fingerprints of some non-supersymmetric models

论文作者

Benbrik, R., Boukidi, M., Ouchemhou, M., Rahili, L., Tibssirte, O.

论文摘要

最近,在LHC上进行的Atlas和CMS实验揭示了HIGGS和BSM的测量精度。在这样的报告中,在$γz$通道中进行了共振直接搜索,建立了重建的$ z $玻色子和光子的质量调整分布。因此,与信号 - 背面的分离同时,已完美地描述了事件的数量,并且已经注意到了标准模型(SM)预期的大约两倍的过量信号,这相当于2.2标准偏差的显着性。在这项研究中,我们研究了任何可能的新物理模型如何解释这一过量,例如CP支持的两-higgs Doublet模型(2HDMS),intert Doublet模型(IDM)和HIGGS三重态模型(HTM)。尽管考虑了可用的理论和最新的实验约束,但讨论了SM以外的现有扩展的现象学含义,并描述了这些过程的精确研究的前景。我们发现,可以在研究的BSM框架中解释过量,具体取决于带电和双重的希格斯玻色子块。

Recently, ATLAS and CMS experiments at the LHC put on light the relevant results in the measurement precision of the Higgs and BSM. In such a report, where the resonance direct search was made in the $γZ$ channel, a mass adjustment distribution for the reconstructed $Z$ boson and photon was established. Thus, simultaneously with the signal-from-background separation, the number of events has been perfectly described, and an excess signal approximately twice that expected by the Standard Model (SM) has been noticed, which is equivalent to a significance of 2.2 standard deviations. In this study, we examine how any possible new physics models can explain this excess, such as the CP-conserving Two-Higgs doublet model (2HDMs), the Inert doublet model (IDM), and the Higgs triplet model (HTM). While considering the available theoretical and most recent experimental constraints, the phenomenological implications of existing extensions beyond the SM are discussed, and prospects for precision studies of these processes are described. We have found that the excess could be explained in the BSM framework studied, depending on the charged and double-charged Higgs boson masses.

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