Özet
A search for the rare decay (Formula presented) is reported using proton-proton collision events at (Formula presented) collected by the CMS detector in 2022-2023, corresponding to an integrated luminosity of (Formula presented). This is the first analysis to use a newly developed inclusive dimuon trigger, expanding the scope of the CMS flavor physics program. The search uses (Formula presented) mesons obtained from (Formula presented) decays. No significant excess is observed. A limit on the branching fraction of (Formula presented) at 95% confidence level is set. This is the most stringent upper limit set on any flavor changing neutral current decay in the charm sector.
| Orijinal dil | İngilizce |
|---|---|
| Makale numarası | 151803 |
| Dergi | Physical Review Letters |
| Hacim | 135 |
| Basın numarası | 15 |
| DOI'lar | |
| Yayın durumu | Yayınlandı - 10 Eki 2025 |
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Publisher Copyright:© 2025 CERN, for the CMS Collaboration.
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