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Melissa Cruz Torres

Publications and source records attributed to Melissa Cruz Torres.

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Measurement of the $CP$ violating phase $ϕ_s$ and $ϕ_s^{sq\bar{q}}$ at LHCb

Precise measurements of the $B_s^0 - \overline{B}_s^0$ mixing parameters provide a powerful test of the Standard Model, offering potential hints to new physics. The LHCb collaboration has performed updated measurements of the $CP$-violating phases $ϕ_s^{c\bar{c}s}$ and $ϕ_s^{s\bar{s}s}$, which supersede previous results. Also, an alternative approach to determine $ΔΓ_s$ is presented, bringing a new tool that may help to resolve the tension observed between measurements made in $B_s^0 \to J/ψϕ$ by LHC experiments.

hep-ex

Summary of CKM 2023 working group 5: Direct CP violation (DCPV) including $ϕ_{3}/γ$ from $B\to DK$, DCPV effects, branching fractions and polarisation in charmless $B_{(s)}$ decays

In this contribution a summary of the activities of Working Group 5 (WG5) presented during the 12th International Workshop on the CKM Unitarity Triangle (CKM2023) is reported. This includes new results on $ϕ_{3}/γ$ measurements using $B\to DK$ decays, search for $CP$ violation using charmless $B$ decays and $b$-Baryon decays, measurement of branching ratios in hadronic $B$ to charm decays, and theory of three-body nonleptonic $B$ decays.

hep-ex