Numeric calculations for Hw4 Problem 2.

mh = 125 ; (*GeV*)
m = Sqrt[2] mh // N;
r = 246; (*GeV*)
gamma = (mh^3/(64 Pi r^2))// N;
lambda = (m^2/r) // N;

Grid[{
{"(Subscript[m, h]) = ", mh, "GeV"},
{"|m| = ", m, "GeV"},
{"m/(Sqrt[λ]) = ", r, "GeV"},
{"Γ = ", gamma, "GeV"},
{"λ = ", lambda, "GeV"}}]