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Measurement of resonant and CP components in (B)over-bar(s)(0) -> J/psi pi(+)pi(-) decays
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Measurement of resonant and CP components in (B)over-bar(s)(0) -> J/psi pi(+)pi(-) decays
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| dc.contributor.author | LHCb Collaboration | |
| dc.contributor.author | Martínez Vidal, Fernando | |
| dc.contributor.author | Oyanguren Campos, Arantza | |
| dc.contributor.author | Ruiz Valls, Pablo | |
| dc.date.accessioned | 2016-04-20T09:36:14Z | |
| dc.date.available | 2016-04-20T09:36:14Z | |
| dc.date.issued | 2014 | |
| dc.identifier.citation | LHCb Collaboration Martínez Vidal, Fernando Oyanguren Campos, Arantza Ruiz Valls, Pablo 2014 Measurement of resonant and CP components in (B)over-bar(s)(0) -> J/psi pi(+)pi(-) decays Physical Review D 89 9 092006-1 092006-21 | |
| dc.identifier.uri | http://hdl.handle.net/10550/52859 | |
| dc.description.abstract | Structure of the decay _ B0s. J=.p_p- is studied using data corresponding to 3 fb- 1 of integrated luminosity from pp collisions produced by the LHC and collected by the LHCb detector. Five interfering p_p- states are required to describe the decay: F-0(980), F-0(1500), F-0(1790), F-2 (1270) and F-2(1525) An alternative model including these states and a nonresonant J=.p_p- component also provides a good description of the data. Based on the different transversity components measured for the spin- 2 intermediate states, the final state is found to be compatible with being entirely CP odd. The CP- even part is found to be < 2.3% at a 95% confidence level. The f 0d500_ state is not observed, allowing a limit to be set on the absolute value of the mixing angle with the f 0d980_ of < 7.7 at a 90% confidence level, consistent with a tetraquark interpretation of the f(0)(980) substructure. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physical Review D, 2014, vol. 89, num. 9, p. 092006-1-092006-21 | |
| dc.subject | Física nuclear | |
| dc.title | Measurement of resonant and CP components in (B)over-bar(s)(0) -> J/psi pi(+)pi(-) decays | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2016-04-20T09:36:14Z | |
| dc.identifier.doi | 10.1103/PhysRevD.89.092006 | |
| dc.identifier.idgrec | 099498 | |
| dc.rights.accessRights | open access | es_ES |
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