March 3, 2026Open Access

B-meson Decays to Vector Mesons and Charmless Decays at LHCb

Key Points

Precise measurements of branching fractions and CP asymmetries reveal critical insights into B-meson decays.
New vector-vector final states include B+ -> ρ(770)0 K*(892)+ and B0 -> φφ, among others.
Analysis of charmless decays such as B(s)0 -> K0 p p shows critical Standard Model tests.
Findings may suggest new physics if significant deviations from predictions are confirmed.

Abstract

Recent studies of B-meson decays at the LHCb experiment have provided new insights into modes with vector–vector final states, including B^+ (770) ⁰ K^* (892) ^+, Bₛ⁰ J/ K^* (892) ⁰, and B⁰, as well as modes with charmless final states like B (ₒ) ⁰ K⁰ p p and B^+ p p p. Precise measurements of their branching fractions, CP asymmetries, and polarisation observables serve as tests of the Standard Model, where deviations could signal the presence of new physics.

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Yanxi Wu (Fri,) studied this question.

www.synapsesocial.com/papers/69a76880badf0bb9e87e4e53 — DOI: https://doi.org/10.22323/1.485.0342

B-meson Decays to Vector Mesons and Charmless Decays at LHCb

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