- #1
Safinaz
- 260
- 8
Hi,
I wonder if a theory like 2HDM has a new triple Higgs coupling, like ##g_{hH^+H^-}##, what governs how much is this coupling ?
For example a paper as : arXiv:1405.3584v1 [hep-ph], they normalize ##g_{hH^+H^-}## by the SM ##g_{hWW}##,
they plotted at fig. 3 (f) ##C_{hH^+H^-}=g_{hH^+H^-}/g_{hWW} ## ratio ranges from 15 to -15, but couldn't this range extends to even -30 for example ? they mentioned at Sec. B that ranges determined by
perturbativity requirements, but this is not clear for me ..
Bests,
I wonder if a theory like 2HDM has a new triple Higgs coupling, like ##g_{hH^+H^-}##, what governs how much is this coupling ?
For example a paper as : arXiv:1405.3584v1 [hep-ph], they normalize ##g_{hH^+H^-}## by the SM ##g_{hWW}##,
they plotted at fig. 3 (f) ##C_{hH^+H^-}=g_{hH^+H^-}/g_{hWW} ## ratio ranges from 15 to -15, but couldn't this range extends to even -30 for example ? they mentioned at Sec. B that ranges determined by
perturbativity requirements, but this is not clear for me ..
Bests,