Pontisso L 1

1. First search for K+ → π0πμe decays
2. Search for heavy neutral leptons in π+ decays to positrons
3. A measurement of the K + → π + μ + μ decay
4. A study of the K + → π 0 e + νγ decay
5. Improved calorimetric particle identification in NA62 using machine learning techniques
6. Performance of the NA62 trigger system
7. Searches for hidden sectors using K+→ π+X decays
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