Estimated of CP violation in B0 meson decays into D∗+ and D- mesons

• Published in: The European physical journal. C, Particles and fields Particles and fields, 2023-08, Vol.83 (8), p.764
• Main Authors: Amirkhanlou, Elnaz, Mohammadi, Behnam
• Format: Article
• Language: English
• Subjects: Astronomy; Astrophysics and Cosmology; CP violation; Elementary Particles; Hadrons; Heavy Ions; Measurement Science and Instrumentation; Mesons; Nuclear Energy; Nuclear Physics; Parameters; Particle decay; Physics; Physics and Astronomy; Quantum Field Theories; Quantum Field Theory; Quarks; Regular Article - Theoretical Physics; String Theory
• ISSN: 1434-6044; 1434-6052
• DOI: 10.1140/epjc/s10052-023-11936-7

The decay B 0 → D ∗ + D - is favorable mode for studying CP violation in the interference between mixing and decay for B 0 and B ¯ 0 mesons. The latest analysis of the CP parameters has been performed by the LHCb Collaboration values of S D ∗ D = - 0.861 ± 0.077 ± 0.019 , C D ∗ D = - 0.059 ± 0.092 ± 0.020 , ▵ S D ∗ D = 0.019 ± 0.075 ± 0.012 , ▵ C D ∗ D = - 0.031 ± 0.092 ± 0.016 , and A D ∗ D CP = 0.008 ± 0.014 ± 0.006 ± 0.003 . We have been estimated the parameters S D ∗ D and C D ∗ D of the B 0 → D ∗ + D - decay as - 0.709 ± 0.024 and - 0.051 ± 0.004 . In the following, we have obtained the values of ▵ S D ∗ D = 0.054 ± 0.003 and ▵ C D ∗ D = 0.020 ± 0.001 and direct CP violation of 0.008 ± 0.001 . Also, we have calculated the branching ratio of B 0 → D ∗ + D - decay. The values obtained in this work are comparable with the corresponding experimental values.