Angular analysis of charged and neutral B -> K mu(+) mu(-) decays
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Angular analysis of charged and neutral B -> K mu(+) mu(-) decays

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Angular analysis of charged and neutral B -> K mu(+) mu(-) decays

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LHCb Collaboration; Martínez Vidal, Fernando Perfil; Oyanguren Campos, Arantza Perfil; Ruiz Valls, Pablo; Sánchez Mayordomo, Carlos
Aquest document és un/a article, creat/da en: 2014
The angular distributions of the rare decays B+ -> K+mu(+)mu(-) and B-0 -> K-S(0)mu(+)mu(-) are studied with data corresponding to 3 fb(-1) of integrated luminosity, collected in proton-proton collisions at 7 and 8 TeV centre-of-mass energies with the LHCb detector. The angular distribution is described by two parameters, F-H and the forward-backward asymmetry of the dimuon system A(FB), which are determined in bins of the dimuon mass squared. The parameter F-H is a measure of the contribution from (pseudo)scalar and tensor amplitudes to the decay width. The measurements of A(FB) and F-H reported here are the most precise to date and are compatible with predictions from the Standard Model.

    LHCb Collaboration Martínez Vidal, Fernando Oyanguren Campos, Arantza Ruiz Valls, Pablo Sánchez Mayordomo, Carlos 2014 Angular analysis of charged and neutral B -> K mu(+) mu(-) decays Journal Of High Energy Physics 05 5 082-1 082-25
http://dx.doi.org/10.1007/JHEP05(2014)082
distribuït sota llicència Creative Commons de Reconeixement-NoComercial 3.0 No adaptada

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