2026-04-13T02:41:50Zhttps://recercat.cat/oai/request

oai:recercat.cat:2445/1334812025-12-04T21:28:52Zcom_2072_1057col_2072_478812col_2072_478823col_2072_478904col_2072_478917

00925njm 22002777a 4500 dc Abellan Beteta, Carlos author Calvo Gómez, Míriam author Camboni, Alessandro author Comerma Montells, Albert author Domingo Bonal, Francesc author Garrido Beltrán, Lluís author Grabalosa Gándara, Marc author Graciani Díaz, Ricardo author Graugés Pous, Eugeni author López Asamar, Elias author Pérez-Calero Yzquierdo, Antonio author Pie Valls, B. (Blai) author Picatoste Olloqui, Eduardo author Potterat, Cédric author Rives Molina, Vicente José author Ruiz, Hugo (Ruiz Pérez) author Vázquez Gómez, Ricard author Vilasis-Cardona, Xavier author LHCb Collaboration author 2019-05-20T14:37:56Z 2019-05-20T14:37:56Z 2013-01-17 2019-05-20T14:37:56Z A measurement of the C P asymmetry in B 0 → K * 0 μ + μ − decays is presented, based on 1.0     fb − 1 of p p collision data recorded by the LHCb experiment during 2011. The measurement is performed in six bins of invariant mass squared of the μ + μ − pair, excluding the J / ψ and ψ ( 2 S ) resonance regions. Production and detection asymmetries are removed using the B 0 → J / ψ K * 0 decay as a control mode. The integrated C P asymmetry is found to be − 0.072 ± 0.040 ( stat ) ± 0.005 ( syst ) , consistent with the standard model. Física de partícules Experiments Particle physics Experiments Measurement of the CP Asymmetry in B0→K*0μ+μ− Decays