Speaker
Bob Velghe
(TRIUMF (CA))
Description
The K⁺ → π⁺νν̅ decay is a highly suppressed flavor-changing neutral current dominated by short distance dynamics. The predicted Standard Model (SM) branching ratio is (8.4 ± 1.0) × 10-11. Given its properties, this process is often called a "golden mode" for New Physics searches.
The CERN SPS NA62 experiment has now achieved a signal significance above five sigmas. The branching ratio agrees with the SM predictions within 1.7 σ.
In this talk, I will review the NA62 K⁺ → π⁺νν̅ searches based on data collected in 2016–2018 and 2021–2022.
| Keyword-1 | rare kaon decays |
|---|---|
| Keyword-2 | flavor physics |
Author
Bob Velghe
(TRIUMF (CA))
