First observation and study of the K ± → π 0 π 0 μ ± ν decay
Abstract The NA48/2 experiment at CERN reports the first observation of the K ± → π 0 π 0 μ ± ν decay based on a sample of 2437 candidates with 15% background contamination collected in 2003–2004. The decay branching ratio in the kinematic region of the squared dilepton mass above 0.03 GeV2/c 4 is m...
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| Materialtyp: | Artigo |
| Språk: | Inglês |
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SpringerOpen
2024-03-01
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| Serie: | Journal of High Energy Physics |
| Ämnen: | |
| Länkar: | https://doi.org/10.1007/JHEP03(2024)137 |
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