On the scattering formalism for interacting multiparticle subsystems
Identifieur interne : 003621 ( Main/Exploration ); précédent : 003620; suivant : 003622On the scattering formalism for interacting multiparticle subsystems
Auteurs : J. LukierskiSource :
- Il Nuovo Cimento A [ 0369-3546 ] ; 1974-10-01.
Abstract
Summary: The scattering formalism for the multiparticle systems interacting before and after scattering—in particular for unstable particles, resonances and clusters—is outlined. The main formal tool proposed here is an auxiliary pre-asymptotic spaceH =H in =H out deseribing the self-interacting «ingoing» and «outgoing» multiparticle states. The characteristic features of the states in ℋ—continuous mass spectra and virtual propagation—are briefly discussed. We show further that the physical unitarity condition is satisfied and double counting avoided if in the auxiliary space ℋ the phase space is properly defined.
Url:
DOI: 10.1007/BF02821987
Affiliations:
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