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Wave functions of composite hadron states and relationship to couplings of scattering amplitudes for general partial waves
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Wave functions of composite hadron states and relationship to couplings of scattering amplitudes for general partial waves
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| dc.contributor.author | Aceti, Francesca | |
| dc.contributor.author | Oset Báguena, Eulogio | |
| dc.date.accessioned | 2015-08-19T11:15:34Z | |
| dc.date.available | 2015-08-19T11:15:34Z | |
| dc.date.issued | 2012 | |
| dc.identifier.citation | Aceti, Francesca Oset Báguena, Eulogio 2012 Wave functions of composite hadron states and relationship to couplings of scattering amplitudes for general partial waves Physical Review D 86 1 014012 | |
| dc.identifier.uri | http://hdl.handle.net/10550/46678 | |
| dc.description.abstract | In this paper we present the connection between scattering amplitudes in momentum space and wave functions in coordinate space, generalizing previous work done for s-waves to any partial wave. The relationship to the wave function of the residues of the scattering amplitudes at the pole of bound states or resonances is investigated in detail. A sum rule obtained for the couplings provides a generalization to coupled channels, any partial wave and bound or resonance states, of Weinberg's compositeness condition, which was only valid for weakly bound states in one channel and s-wave. An example, requiring only experimental data, is shown for the ρ meson indicating that it is not a composite particle of ππ but something else. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physical Review D, 2012, vol. 86, num. 1, p. 014012 | |
| dc.subject | Física | |
| dc.title | Wave functions of composite hadron states and relationship to couplings of scattering amplitudes for general partial waves | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2015-08-19T11:15:34Z | |
| dc.identifier.doi | 10.1103/PhysRevD.86.014012 | |
| dc.identifier.idgrec | 080197 | |
| dc.rights.accessRights | open access | es_ES |
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