gradient coupling sentence in Hindi

Examples

1. There is a mysterious relationship between the strong interaction coupling of the pions to the nucleons, the coefficient in the gradient coupling model, and the axial vector current coefficient of the nucleon which determines the weak decay rate of the neutron.
2. Are we meant to admire Feynman's assertiveness in a 1951 letter to Fermi from Rio de Janeiro challenging " Yukawa's meson theory with pseudoscalar mesons gradient coupling " or merely chuckle at his remarks, nine pages of dense mathematical rumination later, about going to Copacabana beach to get ideas?