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Título: | Differential branching fraction and angular analysis of the decay B-0 -> K*(0)mu(+)mu(-) |
Autor: | LHCb Collaboration; Aaij, R.; Oyanguren, Arantza CSIC ORCID; Ruiz Valls, Pablo CSIC | Palabras clave: | Rare decay Hadron-Hadron Scattering B physics Flavour Changing Neutral Currents Flavor physics |
Fecha de publicación: | 1-ago-2013 | Editor: | Springer Nature | Citación: | Journal of High Energy Physics 08 (8): 131 - 31 (2013) | Resumen: | The angular distribution and differential branching fraction of the decay B-0 -> K*(0)mu(+)mu(-) are studied using a data sample, collected by the LHCb experiment in pp collisions at root s = 7 TeV, corresponding to an integrated luminosity of 1.0 fb(-1). Several angular observables are measured in bins of the dimuon invariant mass squared, q(2). A first measurement of the zero-crossing point of the forward-backward asymmetry of the dimuon system is also presented. The zero-crossing point is measured to be q(0)(2) = 4.9 +/- 0.9 GeV2/c(4), where the uncertainty is the sum of statistical and systematic uncertainties. The results are consistent with the Standard Model predictions. | Versión del editor: | http://dx.doi.org/10.1007/JHEP08(2013)131 | URI: | http://hdl.handle.net/10261/125993 | DOI: | 10.1007/JHEP08(2013)131 | ISSN: | 1029-8479 | E-ISSN: | 1029-8479 |
Aparece en las colecciones: | (IFIC) Artículos |
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Differential branching2.pdf | 880,23 kB | Adobe PDF | Visualizar/Abrir |
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