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| Main Author: | |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2604.26315 |
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Table of Contents:
- The measurement of the time-dependent CP-asymmetry of $B^0 \to K_S^0 π^+ π^- γ$ decays is sensitive to contributions from physics beyond the Standard Model. To translate this measurement into a constraint on new physics, it is necessary to distinguish between decay modes that contribute to the final state via a kaonic resonance that is a CP eigenstate, and those that proceed through non-CP eigenstates. This requires an amplitude analysis of the $B \to K_{res} γ\to K π^+ π^- γ$ decay, that is discussed in this article.