2017:groups:higgs:inter
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2017:groups:higgs:inter [2017/06/22 16:17] stefan.liebler |
2017:groups:higgs:inter [2017/06/23 10:06] (current) olivier.mattelaer |
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| ===== Interference effects in the search for heavy Higgs bosons ===== | ===== Interference effects in the search for heavy Higgs bosons ===== | ||
| - | //Interested people: Stefan Liebler, Jérémie Quevillon, Sabine Kraml, Alexandra Carvalho [add your names]// | + | //Interested people: Stefan Liebler, Jérémie Quevillon, Sabine Kraml, Alexandra Carvalho, Ramona Gröber, Tetiana Berger-Hryn'ova, Fabio Maltoni [add your names]// |
| Motivation: | Motivation: | ||
| Line 27: | Line 27: | ||
| Work plan: | Work plan: | ||
| - | - Calculate d\sigma^X/dm_{VV} or $m_{HH} for X=S,I_B and I_H for the subsequent parameters and store them as a function of m_{VV}/m_{HH}$ in a table: | + | - Calculate d\sigma^X/dm_{VV} or $dm_{HH}$ for gg\to VV/HH at LO QCD and at partonic level for X=S,I_B and I_H for the subsequent parameters and store them as a function of m_{VV}/m_{HH} in a table that ranges from m_\Phi-10\Gamma_\Phi to m_\Phi+10\Gamma_\Phi with sufficient data points: |
| - | - VV: c_ge^{i\theta_g}, m_\Phi, \Gamma_\Phi, \kappa_V. | + | - VV: c_ge^{i\theta_g}, m_\Phi, \Gamma_\Phi, \kappa_V (in a first step choose \sqrt{1-\kappa_V^2} for the SM HVV coupling). |
| - HH: c_ge^{i\theta_g}, m_\Phi, \Gamma_\Phi, \lambda_{Hhh}, \lambda_{hhh} | - HH: c_ge^{i\theta_g}, m_\Phi, \Gamma_\Phi, \lambda_{Hhh}, \lambda_{hhh} | ||
| - Read in the table (with Mathematica) and calculate relative correction factors named (\eta^-,\eta^+,\eta), see slides, or apply a similar method (e.g. arXiv:1510.03450) to quantify the relevance of the interferences. | - Read in the table (with Mathematica) and calculate relative correction factors named (\eta^-,\eta^+,\eta), see slides, or apply a similar method (e.g. arXiv:1510.03450) to quantify the relevance of the interferences. | ||
2017/groups/higgs/inter.1498141021.txt.gz · Last modified: 2017/06/22 16:17 by stefan.liebler
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