Differential branching fraction and angular analysis of the decay B-0 -> K*(0)mu(+)mu(-)
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Differential branching fraction and angular analysis of the decay B-0 -> K*(0)mu(+)mu(-)

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Differential branching fraction and angular analysis of the decay B-0 -> K*(0)mu(+)mu(-)

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LHCb Collaboration; Oyanguren Campos, Arantza Perfil; Ruiz Valls, Pablo
Aquest document és un/a article, creat/da en: 2013

Este documento está disponible también en : http://dx.doi.org/10.1007/JHEP08(2013)131
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.

    LHCb Collaboration Oyanguren Campos, Arantza Ruiz Valls, Pablo 2013 Differential branching fraction and angular analysis of the decay B-0 -> K*(0)mu(+)mu(-) Journal of High Energy Physics 08 8 131-1 131-31
http://dx.doi.org/10.1007/JHEP08(2013)131
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