Dermisek和Gunion对“轻CP奇希格斯玻色子的新约束和相关的NMSSM理想希格斯场景”的评论(arXiv:1002.1971 [hep-ph])
Comment on "New constraints of a light CP-odd Higgs boson and related NMSSM Ideal Higgs Scenarios" by Dermisek and Gunion (arXiv:1002.1971 [hep-ph])
摘要:
在最近的两篇论文(arXiv:1002.1971 [hep-ph]和arXiv:0911.2460 [hep-ph])中,Dermisek和Guunion基于LEP、CLEO、BaBar和CDF实验的实验数据,在NMSSM(或类似模型)的框架下,对轻CP奇希格斯玻色子玻色子提供了新的约束。在这篇简短的评论中,我们认为,在一个狭窄的质量窗口内仍然需要特别注意,在这个窗口中,可能会发生与低于$B\bar{B}$的$η_b$共振的混合。我们还强调,可观测的测试轻子的普遍性和可能的扭曲bottomonium质谱可以提供一个替代的分析在(超)B-工厂在寻找这样一个难以捉摸的轻赝标量希格斯类对象。
英文摘要:
In two recent papers (arXiv:1002.1971 [hep-ph] and arXiv:0911.2460 [hep-ph]) Dermisek and Gunion provide new constraints on a light CP-odd Higgs boson in the framework of the NMSSM (or similar models) based on experimental data from LEP, CLEO, BaBar and CDF experiments. In this brief comment we argue that special care is still needed inside a narrow mass window where mixing with $η_b$ resonances below $B\bar{B}$ can occur. We also stress that observables testing lepton universality and a possible distorsion of the bottomonium mass spectrum can provide an alternative analysis at (Super) B-factories in the search of such an elusive light pseudoscalar Higgs-like object.
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