Title

Resonances of arbitrary multiplicity

Document Type

Article

Publication Date

1-1-1971

Abstract

The constraints of unitarity on an amplitude containing J degenerate resonances are solved, and several parametrizations of the solution are given. In one solution, the unitary amplitude is obtained from the narrow-width limit. Forms suitable for other theoretical applications and for phenomenology are included. The wide variety of possible cross sections and Argand diagrams for the general case are discussed, and examples of the tripole are shown. The well-known results for the dipole are rederived without effort. © 1971 The American Physical Society.

Publication Source (Journal or Book title)

Physical Review D

First Page

2099

Last Page

2108

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