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Division of High Energy Physics, Department of Physics, University of Helsinki and Helsinki Institute of Physics, FIN-00014, Helsinki, Finland.
Phys Rev Lett. 2009 Aug 7;103(6):061803. doi: 10.1103/PhysRevLett.103.061803. Epub 2009 Aug 4.
A search for a narrow diphoton mass resonance is presented based on data from 3.0 fb;{-1} of integrated luminosity from pp[over ] collisions at sqrt[s] = 1.96 TeV collected by the CDF experiment. No evidence of a resonance in the diphoton mass spectrum is observed, and upper limits are set on the cross section times branching fraction of the resonant state as a function of Higgs boson mass. The resulting limits exclude Higgs bosons with masses below 106 GeV/c;{2} at a 95% Bayesian credibility level for one fermiophobic benchmark model.
基于CDF实验收集的在(\sqrt{s}=1.96) TeV下(pp)对撞中积分亮度为(3.0) fb(^{-1})的数据,开展了对窄双光子质量共振的搜寻。在双光子质量谱中未观察到共振迹象,并针对共振态的截面乘以分支比作为希格斯玻色子质量的函数设定了上限。对于一种无费米子耦合的基准模型,所得限制在(95%)贝叶斯可信度水平下排除了质量低于(106) GeV/(c^{2})的希格斯玻色子。