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- Title
Hunting for Direct CP Violation in B¯s0⟶π+π−K∗0.
- Authors
Li, Sheng-Tao; Lü, Gang
- Abstract
In perturbative QCD approach, based on the first order of isospin symmetry breaking, we study the direct CP violation in the decay of B ¯ s 0 ⟶ ρ ω K ∗ 0 ⟶ π + π − K ∗ 0 . An interesting mechanism is applied to enlarge the C P violating asymmetry involving the charge symmetry breaking between ρ and ω. We find that the CP violation is large by the ρ − ω mixing mechanism when the invariant masses of the π + π − pairs are in the vicinity of the ω resonance. For the decay process of B ¯ s 0 ⟶ ρ ω K ∗ 0 ⟶ π + π − K ∗ 0 , the maximum CP violation can reach − 59.12 %. Furthermore, taking ρ − ω mixing into account, we calculate the branching ratio for B ¯ s 0 ⟶ ρ ω K ∗ 0 . We also discuss the possibility of observing the predicted C P violation asymmetry at the LHC.
- Subjects
CP violation; SYMMETRY breaking; BRANCHING ratios; ISOBARIC spin; HUNTING; QUANTUM chromodynamics
- Publication
Advances in High Energy Physics, 2022, p1
- ISSN
1687-7357
- Publication type
Article
- DOI
10.1155/2022/3136459