WG3: Extended Scalars meeting

Europe/Zurich
Vidyo only (CERN)

Vidyo only

CERN

[*] Wide scalar resonance X->VV in CMS:

 

- What is the interesting parameter range to present in terms of mass, width, etc. for theorists?

  can be model-dependent, may think in a specific model that has large mass and width without breaking perturbativity,

  useful with up to ~20-40% on width, though 40% is very challenging in experiment

  though keeping model less dependent would always be good

 

- In wide ggF/VBF need also the interference;

  do it in model independent way by using the ME reweighting tool; float both VBF/ggF;

 

- Does higgs 125 coupling change in different cases?

  No

 

- Slide 3: take the ME to generate event and to reweight for interference, not ideal, but pragmatic

  if you have one of the curves, you can reweight it to other curves (like in WW on slide5).

 

 

[*] EWS in ScannerS:

 

- Can be used for various multi Higgs models (also 2HDM etc); EWS is interfaced to sHDecay.

  Constraints: vacuum stability, tree level unitarity, STU, collider, h125, DM.

  Manual explanation on how to run it (also has manual and papers)!

  Before the BR/Width are calculated the unitarity validity is taken into account.

 

 

[*] Heavy Higgs to mu tau LFV:

 

- Will provide numbers for BR/XS for X->mutau (mX!=125) in the (BGL) model and numbers for BR/XS for H+->taunu in the Lepton Specific model.

 

 

[*] Light charged higgs:

 

- Study the motivation for pair production.

  maybe 2HDM type III can be a starting point

 

 

There are minutes attached to this event. Show them.
    • 17:00 17:20
      Introduction 20m
      Speakers: Heather Logan (Carleton University), Dr Raffaele Angelo Gerosa (Univ. of California San Diego (US)), Rui Santos (IST), Shufang Su (University of Arizona), Xiaohu Sun (University of Alberta (CA))
    • 17:20 17:40
      Tools and approaches for wide scalar resonance search X->ZZ (WW) final state in CMS 20m
      Speaker: Meng Xiao (Johns Hopkins University (US))
    • 17:40 18:00
      How to run scalar singlet extensions in ScannerS 20m
      Speakers: Marco Oliveira Pena Sampaio (University of Aveiro), Marco Oliveira Pena Sampaio (University of Aveiro), Marco Sampaio
    • 18:00 18:20
      Heavy Higgs decays to mu tau (LFV) 20m
      Speakers: Keith Thrasher (College of William and Mary), Marc Sher (William and Mary College)
    • 18:20 18:40
      Charged Higgs in 2HDM 20m
      Speaker: Rachid Benbrik (Cadi Ayyad University)