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Dalitz plot analysis of eta(c) -> K+K-eta and eta(c) -> K+K-pi(0) in two-photon interactions
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Dalitz plot analysis of eta(c) -> K+K-eta and eta(c) -> K+K-pi(0) in two-photon interactions
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| dc.contributor.author | BABAR Collaboration | |
| dc.contributor.author | Martínez Vidal, Fernando | |
| dc.contributor.author | Oyanguren Campos, Arantza | |
| dc.contributor.author | Villanueva Pérez, Pablo | |
| dc.date.accessioned | 2016-04-20T09:26:31Z | |
| dc.date.available | 2016-04-20T09:26:31Z | |
| dc.date.issued | 2014 | |
| dc.identifier.citation | BABAR Collaboration Martínez Vidal, Fernando Oyanguren Campos, Arantza Villanueva Pérez, Pablo 2014 Dalitz plot analysis of eta(c) -> K+K-eta and eta(c) -> K+K-pi(0) in two-photon interactions Physical Review D 89 11 112004-1 112004-16 | |
| dc.identifier.uri | http://hdl.handle.net/10550/52857 | |
| dc.description.abstract | We study the processes gamma gamma -> K+K-eta and gamma gamma -> K+K-pi(0) using a data sample of 519 fb(-1) recorded with the BABAR detector operating at the SLAC PEP-II asymmetric-energy e(+)e(-) collider at center-of-mass energies at and near the Upsilon(nS) (n = 2, 3, 4) resonances. We observe eta(c) -> K+K-pi(0) and eta(c) -> K+K-eta decays, measure their relative branching fraction, and perform a Dalitz plot analysis for each decay. We observe the K*(0)(1430) -> K eta decay and measure its branching fraction relative to the K pi decay mode to be R(K*(0)(1430)) = B(K*(0)(1430)-> K eta)/B(K*(0)(1430)-> K pi) = 0.092 +/- 0.025(- 0.025)(+0.010). The eta(c) -> K+K-eta and K*(0)(1430) -> K eta results correspond to the first observations of these channels. The data also show evidence for eta(c)(2S) -> K+K-pi(0) and first evidence for eta(c)(2S) -> K+K-eta. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physical Review D, 2014, vol. 89, num. 11, p. 112004-1-112004-16 | |
| dc.subject | Física nuclear | |
| dc.title | Dalitz plot analysis of eta(c) -> K+K-eta and eta(c) -> K+K-pi(0) in two-photon interactions | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2016-04-20T09:26:31Z | |
| dc.identifier.doi | 10.1103/PhysRevD.89.112004 | |
| dc.identifier.idgrec | 099492 | |
| dc.rights.accessRights | open access | es_ES |
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