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In the framework of Perturbative QCD (PQCD) approach we study the direct $CP$ asymmetry for the decay channel $\bar{B}_{s}\rightarrow P\pi^+\pi^-$ around the resonance range via the $\rho-\omega$ mixing mechanism (where… Click to show full abstract
In the framework of Perturbative QCD (PQCD) approach we study the direct $CP$ asymmetry for the decay channel $\bar{B}_{s}\rightarrow P\pi^+\pi^-$ around the resonance range via the $\rho-\omega$ mixing mechanism (where P refer to pseudoscalar meson). We find that the $CP$ asymmetry can be enhanced by $\rho-\omega$ mixing when the masses of the $\pi^+\pi^-$ pairs are at the area of $\rho-\omega$ resonance, and the maximum $CP$ asymmetry can reach 59{\%} for the relevant decay channels.
Keywords:
asymmetry decay;
bar rightarrow;
decay;
resonance;
asymmetry;
perturbative qcd
Journal Title: Physical Review D
Year Published: 2018
Link to full text (if available)
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Journal Title: Physical Review D
Year Published: 2018
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!