非混合辐射的Tevatron信号
Tevatron Signal for an Unmixed Radion
摘要：
CDF协作组最近观察到$W$+双喷射事件中存在过量，其中双喷射不变量质量在$144 \pm 5$ GeV附近显示出3.2 $σ$峰值，这与产生质量在此范围内的放射子$Φ$相一致，并与$W$玻色子相关。结果表明，$Φ$，这是已知的类似于希格斯玻色子在许多方面，不同于它有一个更大的截面为$q\bar q \to WΦ$和在主要衰变胶子，而不是$b\bar b$对。这些似乎是CDF事件的新粒子解释所要求的精确特征。不需要修改基础模型。
英文摘要：
The recent observation by the CDF Collaboration of an excess in $W$ plus dijet events, where the dijet invariant mass shows a 3.2$σ$ peak around $144 \pm 5$ GeV, is shown to be consistent with the production of a radion $Φ$ of mass in this range, in association with a $W$ boson. It is shown that the $Φ$, which is known to be similar to the Higgs boson in many aspects, differs from it in having a much larger cross-section for $q\bar q \to WΦ$ and in decaying principally to gluons, rather than $b\bar b$ pairs. These appear to be the precise features demanded by the new particle interpretation of the CDF events. No modifications of the underlying model are required.
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