Does anyone know any books, websites, lecture notes etc on S-matrix?

[touqra]

Does anyone know any books, websites, lecture notes etc that discuss on the poles of the S matrix being physically, the bound states?

 

[Meir Achuz]

Your best bets are:

S-matrix theory of strong interactions;: A lecture note and reprint volume (Frontiers in physics; a lecture note and reprint series) by Geoffrey F Chew.

The Analytic S Matrix: A Basis For Nuclear Democracy by Geoffrey F. Chew (Unknown Binding - 1966)

Dispersion relation dynamics: A phenomenological introduction to S-matrix theory by Hugh Burkhardt

There are many others listed at Amazon.com, but these are the most direct.