2017:groups:higgs:heavyh
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2017:groups:higgs:heavyh [2017/06/19 14:24] jose_miguel.no |
2017:groups:higgs:heavyh [2017/06/22 13:53] (current) jose_francisco.zurita |
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| - | **Heavy Higgs Searches: BSM decay modes.** | + | **Heavy Higgs Searches: H -> A A -> 4b, 2b 2tau** |
| - | People Interested: Jose Miguel No, Stefania Gori, Ken Mimasu, Daniele Barducci | + | Contact: Caterina Vernieri, Jose Miguel No |
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| + | People Interested: Stefania Gori, Ken Mimasu, Daniele Barducci, Ramona Groeber, Stefan Liebler, Haiying Cai, Jérémie Quevillon, Alexandra Carvalho, José Zurita | ||
| In extensions of the SM Higgs sector (and more generally) the dominant decay modes of heavy Higgses may not be | In extensions of the SM Higgs sector (and more generally) the dominant decay modes of heavy Higgses may not be | ||
| the "traditional" ones (VV, tt, bb), but instead H -> X1 X1, H -> X1 X2 and/or H -> X1 SM (with X1, X2 being BSM states, e.g. new scalars/pseudoscalars). Depending on the dominant decay of X1, X2, these could constitute the discovery mode for both H and X1,X2. | the "traditional" ones (VV, tt, bb), but instead H -> X1 X1, H -> X1 X2 and/or H -> X1 SM (with X1, X2 being BSM states, e.g. new scalars/pseudoscalars). Depending on the dominant decay of X1, X2, these could constitute the discovery mode for both H and X1,X2. | ||
| - | A concrete example of this is H -> A A -> 4 b, which can be viewed as a generalization of resonant di-Higgs searches in the 4 b final state leaving the mass of the A state free. | + | A concrete example is H -> A A -> 4 b, which can be viewed as a generalization of resonant di-Higgs searches in the 4 b final state leaving the mass of the A state free. |
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| + | Boost parametrization wrt the ratio of resonance masses (formula 5) https://arxiv.org/pdf/1303.6636.pdf | ||
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| + | This project constitutes a feasibility study of this channel in the mH, mA (+ Width_H) parameter space. | ||
| + | As a starting point, we want to assess the extent to which we can build up on information included in the 4b di-Higgs analyses by CMS ([[https://cds.cern.ch/record/1748425?ln=en|4b CMS 8 TeV]], [[https://cds.cern.ch/record/2141024?ln=en|4b CMS 13 TeV]] ) and ATLAS. | ||
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| + | An additional final state which would be very interesting to look at in this context is 2b 2tau (for resonant di-Higgs searches, 2b 2tau becomes more sensitive for mH <~ 400 GeV). | ||
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2017/groups/higgs/heavyh.1497875077.txt.gz · Last modified: 2017/06/19 14:24 by jose_miguel.no
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