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http://hdl.handle.net/2445/127644| Title: | Measurement of the ratio of branching fractions ℬ(Bc+→J/ψK+)/ℬ(Bc+→J/ψπ+) |
| Author: | Garrido Beltrán, Lluís Gascón Fora, David Graciani Díaz, Ricardo Graugés Pous, Eugeni Marin Benito, Carla Picatoste Olloqui, Eduardo Rives Molina, Vicente José LHCb Collaboration |
| Keywords: | Interaccions d'hadrons Processos de ramificació Hadron interactions Branching processes |
| Issue Date: | 27-Sep-2016 |
| Publisher: | Springer Verlag |
| Abstract: | The ratio of branching fractions RK/π≡B(B+c→J/ψK+)/B(B+c→J/ψπ+) is measured with pp collision data collected by the LHCb experiment at centre-of-mass energies of 7 TeV and 8 TeV, corresponding to an integrated luminosity of 3 fb−1. It is found to be R K/π = 0.079 ± 0.007 ± 0.003, where the first uncertainty is statistical and the second is systematic. This measurement is consistent with the previous LHCb result, while the uncertainties are significantly reduced. |
| Note: | Reproducció del document publicat a: https://doi.org/10.1007/JHEP09(2016)153 |
| It is part of: | Journal of High Energy Physics, 2016, vol. 2016, num. 153 |
| URI: | http://hdl.handle.net/2445/127644 |
| Related resource: | https://doi.org/10.1007/JHEP09(2016)153 |
| ISSN: | 1126-6708 |
| Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) |
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