HH Cosmo Indirect

Wednesday 16 Mar 2022, 10:00 → 11:00 Europe/Stockholm

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- Luca showed plots from a first benchmark point with his model using a matched MSSM point provided by Harri. The model has 8 free parameters including the stop1 and stop2 masses.
- A discussion followed on the experimental reconstruction. Jörgen and Karl will try a minimal setup with inputs from m(bb,tautau | gaga), m(bb), m(tautau | gaga) and the cross-section. This can be extended to more variables when we have a full description of the background.
- Harri clarified the need for minimal mass splitting for stop1 and stop2 to get a proper higgs mass. A reasonable minimal case seems to be stop1 ~ 600 GeV and stop2 ~ 1200 GeV. A reminder was given about lambda_hhh=0 in MSSM not possible, maybe NMSSM.
- Roman informed us that he has got a paper accepted on extended singlet with massive new massive neutrinos. The modelling has improved stability. A new paper is on its way.
- Rikard is working on GW with SMEFT using dimensional reduction.
 

10:00 → 10:20 Round table

Speaker: Everyone