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Measurement of the Bc-meson production fraction and asymmetry in 7 and 13 TeV pp collisions

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The production fraction of the Bc-meson with respect to the sum of B- A nd B0 mesons is measured in both 7 and 13 TeV center-of-mass (c.m.) energy pp collisions produced by the Large Hadron Collider (LHC), using the LHCb detector. The rate, approximately 3.7 per mille, does not change with energy, but shows a transverse momentum dependence. The Bc-Bc+ production asymmetry is also measured and is consistent with zero within the determined statistical and systematic uncertainties of a few percent.

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LHCb Collaboration, CALVO GÓMEZ, Míriam, CAMBONI, Alessandro, COQUEREAU, Samuel, GARRIDO BELTRÁN, Lluís, GASCÓN FORA, David, GIRONELLA GIRONELL, P., GRACIANI DÍAZ, Ricardo, GRAUGÉS POUS, Eugeni, MANERA ESCALERO, R., VÁZQUEZ GÓMEZ, Ricard, VILASIS-CARDONA, Xavier, MARIN BENITO, Carla. Measurement of the Bc-meson production fraction and asymmetry in 7 and 13 TeV pp collisions. _Physical Review D_. 2019. Vol. 100, núm. 11, pàgs. 112006. [consulta: 23 de gener de 2026]. ISSN: 1550-7998. [Disponible a: https://hdl.handle.net/2445/162040]

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