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2017:groups:higgs:heavyh [2017/06/19 14:11]
jose_miguel.no created
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**  
 + 
 +Contact: Caterina Vernieri, Jose Miguel No 
 + 
 +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  
 +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 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.  
 + 
 +Boost parametrization wrt the ratio of resonance masses (formula 5) https://​arxiv.org/​pdf/​1303.6636.pdf 
 + 
 +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. ​  
 + 
 + 
 +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).  
 + 
 + 
  
-People Interested: Jose Miguel No, Stefania Gori, Ken Mimasu 
2017/groups/higgs/heavyh.1497874273.txt.gz · Last modified: 2017/06/19 14:11 by jose_miguel.no