Radiative corrections to the Higgs boson couplings in the triplet model
Radiative corrections to the Higgs boson couplings in the triplet model
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DOI：
10.1103/physrevd.87.015012
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发表时间：
2012-11
影响因子：
5
通讯作者：
M. Aoki;S. Kanemura;Mariko Kikuchi;K. Yagyu
中科院分区：
文献类型：
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作者：
M. Aoki;S. Kanemura;Mariko Kikuchi;K. Yagyu
我们计算了一套完整的单圈修正的希格斯玻色子耦合常数以及电弱参数。计算了类标准模型的希格斯玻色子衰变为双光子的速率。重整化Higgs耦合与弱规范玻色子$hVV $（$V = W $和$Z $）和三线性耦合$hhh $也计算在单圈水平的壳方案。在这些量的偏差的幅度进行评估的参数区域中的么正性和真空稳定性的界限是满意的，并预测W玻色子质量在一个循环的水平是一致的数据。我们发现，有很强的相关性之间的偏差在希格斯玻色子耦合$h\gamma\gamma $，$hVV $和$hhh $。例如，如果$pp\to h\to\gamma\gamma $通道的事件数偏离SM预测+30%（-40%），则预测单循环校正的$hVV $和$hhh $顶点的偏差分别约为-0.1%（-2%）和-10%$（+150%）$。在未来的对撞机实验中，通过精确测量这些耦合常数，可以将该模型与其他模型区分开来。
We calculate a full set of one-loop corrections to the Higgs boson coupling constants as well as the electroweak parameters. We compute the decay rate of the standard model (SM)-like Higgs boson ($h$) into diphoton. Renormalized Higgs couplings with the weak gauge bosons $hVV$ ($V=W$ and $Z$) and the trilinear coupling $hhh$ are also calculated at the one-loop level in the on-shell scheme. Magnitudes of the deviations in these quantities are evaluated in the parameter regions where the unitarity and vacuum stability bounds are satisfied and the predicted W boson mass at the one-loop level is consistent with the data. We find that there are strong correlations among deviations in the Higgs boson couplings $h\gamma\gamma$, $hVV$ and $hhh$. For example, if the event number of the $pp\to h\to\gamma\gamma$ channel deviates by +30% (-40%) from the SM prediction, deviations in the one-loop corrected $hVV$ and $hhh$ vertices are predicted about -0.1% (-2%) and -10% $(+150%)$, respectively. The model can be discriminated from the other models by measuring these coupling constants accurately at future collider experiments.