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B-0 and B-s(0) decays into J/psi f(0)(980) and J/psi f(0)(500) and the nature of the scalar resonances
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B-0 and B-s(0) decays into J/psi f(0)(980) and J/psi f(0)(500) and the nature of the scalar resonances
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| dc.contributor.author | Liang, W. H. | |
| dc.contributor.author | Oset Báguena, Eulogio | |
| dc.date.accessioned | 2016-04-22T07:25:52Z | |
| dc.date.available | 2016-04-22T07:25:52Z | |
| dc.date.issued | 2014 | |
| dc.identifier.citation | Liang, W. H. Oset Báguena, Eulogio 2014 B-0 and B-s(0) decays into J/psi f(0)(980) and J/psi f(0)(500) and the nature of the scalar resonances Physics Letters B 737 70 74 | |
| dc.identifier.uri | http://hdl.handle.net/10550/52976 | |
| dc.description.abstract | We describe the B-0 and B-s(0) decays into J/psi f(0)(500) and J/psi f(0)(980) by taking into account the dominant process for the weak decay of B-0 and B-s(0) into J/psi and a q (q) over bar component. After hadronization of this q (q) over bar component into pairs of pseudoscalar mesons we obtain certain weights for the meson-meson components and allow them to interact among themselves. The final state interaction of the meson-meson components, described in terms of chiral unitary theory, gives rise to the f(0)(980) and f(0)(500) resonances and we can obtain the pi(+)pi(-) invariant mass distributions after the decay of the resonances, which allows us to compare directly to the experiments. We obtain ratios of J/psi f(0)(980) and J/psi f(0)( 500) for each of the B decays in quantitative agreement with experiment, with the f(0)(980) clearly dominant in the B-s(0) decay and the f(0)(500) in the B-0 decay. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physics Letters B, 2014, vol. 737, p. 70-74 | |
| dc.subject | Física | |
| dc.title | B-0 and B-s(0) decays into J/psi f(0)(980) and J/psi f(0)(500) and the nature of the scalar resonances | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2016-04-22T07:25:53Z | |
| dc.identifier.doi | 10.1016/j.physletb.2014.08.030 | |
| dc.identifier.idgrec | 102047 | |
| dc.rights.accessRights | open access | es_ES |
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