Hi all,
I am working on a different version of LRSM. In my model I can have light BSM particles. But when I run SPheno, the S,T,U parameters comes out to be in the range 0.5-0.7. The values don't change even if I make them heavy so that loop contribution from them can be minimized. What can be the potential issues with it? Can we really rely on the S,T,U values calculated by SPheno? Or I am missing something?
Thanking you in advance.
~ Hrishikesh Deka