Observation of K⁺ → π⁺π⁰π⁰γ decay

2023/10/30 by S. Filippov, E. Gushchin, Filippov, S. N. +61
Physics and Astronomy · Computer Science · #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #Computational Physics and Python Applications

paper · pdf · doi:10.48550/arxiv.2310.19652

Abstract

The K⁺ → π⁺π⁰π⁰γ decay is observed by the OKA collaboration. The branching ratio is measured to be (4.1 ± 0.9(stat) ± 0.4(syst))× 10^-6. The branching ratio and γ energy spectrum are consistent with ChPT prediction.

Related

• Observation of the decay K⁺→ π⁺ νν
• Measurement of the absolute branching ratio of the K⁺ → π⁺π^-π⁺(γ) decay with the KLOE detector
• Evidence for K⁺ → π⁺ νν
• The measurement of the absolute branching ratio of the K+ to pi+ pi0 (gamma) decay at KLOE
• Measurement of the branching ratio of the K⁺→π⁺νν decay