Geodesic
Multichannel interaction of particles with identical quantum numbers and conditions for particles to be composite
Teoretičeskaâ i matematičeskaâ fizika, Tome 11 (1972) no. 1, pp. 44-55
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A study is made of the quantum field theory of particles with identical quantum numbers interacting with several channels. The formation of composite particles in such a theory is investigated. Conditions for particles to be composite are derived; these transform some of the elementary particles into composite particles and generalize the well-known conditions $Z_1=0$ and $Z=0$ for the case of a single particle. These conditions are symmetric with respect to all particles. The formalism is generalized to the case when a selfinteraction of the particles is taken into account. 
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     title = {Multichannel interaction of particles with identical quantum numbers and conditions for particles to be composite},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
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     number = {1},
     language = {ru},
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M. A. Braun; A. G. Izergin; M. I. Eides. Multichannel interaction of particles with identical quantum numbers and conditions for particles to be composite. Teoretičeskaâ i matematičeskaâ fizika, Tome 11 (1972) no. 1, pp. 44-55. http://geodesic.mathdoc.fr/item/TMF_1972_11_1_a5/

[1] M. A. Braun, A. G. Izergin, YaF, 10 (1969), 873

[2] M. A. Braun, A. G. Izergin, TMF, 8 (1971), 37

[3] M. A. Braun, Nucl. Phys., B5 (1968), 392 | DOI

[4] W. Zimmerman, Nuovo Cim., 10 (1958), 597 | DOI | MR | Zbl

[5] F. R. Gantmakher, Teoriya matrits, gl. 1, «Nauka», 1966 | MR