Different manifestations of S-matrix poles

Jimenez, DFR; Kelkar, NG

Kelkar, NG (reprint author), Univ Los Andes, Dept Fis, Cra 1E 18A-10, Bogota, Colombia.

ANNALS OF PHYSICS, 2018; 396 (): 18

Abstract

Making use of the analytical properties of the S-matrix and a theorem of Mittag-Leffler, model independent non-relativistic expressions for cross sect......

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