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Open Access item B-meson decays to eta ' rho, eta ' f(0), and eta ' K*

Authors:Babar Collaboration
Sánchez, P. D.
López-March, Neus
Martínez-Vidal, Fernando
Milanés, Diego A.
Oyanguren, Arantza
Lees, J. P.
Sánchez, P. D.
Issue Date:29-Jul-2010
Publisher:American Physical Society
Citation:Physical Review - Section D - Particles and Fields 82 (1): 011502 (2010)
Abstract:We present measurements of B-meson decays to the final states eta'rho, eta'f(0), and eta'K*, where K* stands for a vector, scalar, or tensor strange meson. We observe a significant signal or evidence for eta'rho(+) and all the eta'K* channels. We also measure, where applicable, the charge asymmetries, finding results consistent with no direct CP violation in all cases. The measurements are performed on a data sample consisting of 467 X 10(6) B (B) over bar pairs, collected with the BABAR detector at the PEP-II e(+)e(-) collider at the SLAC National Accelerator Laboratory. Our results favor the theoretical predictions from perturbative QCD and QCD factorization and we observe an enhancement of the tensor K-2*(1430) with respect to the vector K*(892) component.
Publisher version (URL):http://dx.doi.org/10.1103/PhysRevD.82.011502
URI:http://hdl.handle.net/10261/27242
ISSN:1550-7998
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