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f(1)(1285) decays into a(0)(980) pi(0), f(0)(980) pi(0) and isospin breaking
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f(1)(1285) decays into a(0)(980) pi(0), f(0)(980) pi(0) and isospin breaking
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| dc.contributor.author | Aceti, Francesca | |
| dc.contributor.author | Dias, Jorgivan Morais | |
| dc.contributor.author | Oset Báguena, Eulogio | |
| dc.date.accessioned | 2016-11-16T10:09:31Z | |
| dc.date.available | 2016-11-16T10:09:31Z | |
| dc.date.issued | 2015 | |
| dc.identifier.citation | Aceti, Francesca Dias, Jorgivan Morais Oset Báguena, Eulogio 2015 f(1)(1285) decays into a(0)(980) pi(0), f(0)(980) pi(0) and isospin breaking European Physical Journal A 51 4 48 - 1 48 - 8 | |
| dc.identifier.uri | http://hdl.handle.net/10550/55960 | |
| dc.description.abstract | We evaluate the decay width for the processes f1(1285). p 0 a0(980) and f1(1285). p 0 f0(980) taking into account that all three resonances are dynamically generated from the meson- meson interaction, the f1(1285) from K* K ¿ c. c. and the a0(980), f0(980) from p., K K and pp, K _ K, respectively. We use a triangular mechanism similar to that of.(1405). pp., which provides a decay width for f1(1285). p 0 a0(980) with a branching fraction of the order of 30%, in agreement with experiment. At the same time we evaluate the decay width for the isospin- forbidden f1(1285). p 0 f0(980), which appears when we consider different masses for the charged and neutral kaons, and show that it is much more suppressed than in the.(1405). pp. case, but gives rise to a narrow shape of the p + p- distribution similar to the one found in the eta(1405) -> pi pi eta decay. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | European Physical Journal A, 2015, vol. 51, num. 4, p. 48 - 1-48 - 8 | |
| dc.subject | Física | |
| dc.title | f(1)(1285) decays into a(0)(980) pi(0), f(0)(980) pi(0) and isospin breaking | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2016-11-16T10:09:32Z | |
| dc.identifier.doi | 10.1140/epja/i2015-15048-5 | |
| dc.identifier.idgrec | 106191 | |
| dc.rights.accessRights | open access | es_ES |
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