2026-04-13T04:53:42Zhttps://recercat.cat/oai/request

oai:recercat.cat:2445/1622922025-12-05T16:49:02Zcom_2072_1057col_2072_478823col_2072_478904col_2072_478917

00925njm 22002777a 4500 dc Alfonso Albero, Alejandro author Calvo Gómez, Míriam author Camboni, Alessandro author Coquereau, Samuel author Garrido Beltrán, Lluís author Gascón Fora, David author Gironella Gironell, Pere author Graciani Díaz, Ricardo author Graugés Pous, Eugeni author Vilasis-Cardona, Xavier author LHCb Collaboration author Marin Benito, Carla author 2020-05-25T13:18:09Z 2020-05-25T13:18:09Z 2019-02-20 2020-05-25T13:18:09Z Using pp collisions corresponding to 3 fb−1 integrated luminosity, recorded by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV, the ratio of branching fractions B(Λ0b→ψ(2S)Λ)/B(Λ0b→J/ψΛ)=0.513±0.023(stat)±0.016(syst)±0.011(B) is determined. The first uncertainty is statistical, the second is systematic and the third is due to the external branching fractions used. Hadrons Física de partícules Experiments Hadrons Particle physics Experiments Search for CP violation through an amplitude analysis of D 0 → K + K − π + π − decays