125GeV 希格斯玻色子的总宽度。
Total width of 125 GeV Higgs boson.
机构信息
Department of Physics, University of Wisconsin, Madison, Wisconsin 53706, USA.
出版信息
Phys Rev Lett. 2012 Jun 29;108(26):261801. doi: 10.1103/PhysRevLett.108.261801. Epub 2012 Jun 26.
Abstract
By using the LHC and Tevatron measurements of the cross sections to various decay channels relative to the standard model Higgs boson, the total width of the putative 125 GeV Higgs boson is determined as 6.1(-2.9)(+7.7) MeV. We describe a way to estimate the branching fraction for the Higgs-boson decay to dark matter. We also discuss a no-go theorem for the γγ signal of the Higgs boson at the LHC.
摘要
通过使用 LHC 和 Tevatron 对相对于标准模型希格斯玻色子的各种衰变道的截面测量，确定了假定的 125GeV 希格斯玻色子的总宽度为 6.1(-2.9)(+7.7)MeV。我们描述了一种估计希格斯玻色子衰变为暗物质的分支比的方法。我们还讨论了在 LHC 中希格斯玻色子的γγ信号的一个反例定理。
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