content_image/431594.jpg content_image/431599.jpg content_image/431600.jpg
<img src='content_image/431594.jpg'>

<img src='content_image/431599.jpg'>

where ψ$_{0}$ and φ$_{0}$ are the ground-state wave function in the center of mass and relative channel respectively. The interaction kernel K ( x, x ′ ) is given by 

<img src='content_image/431600.jpg'>

We now have all the input that is necessary to set up and 

solve the fourth-order integro-differential equation (61). 

