Observation of cabibbo-suppressed two-body hadronic decays and precision mass measurement of the Ω0c baryon
The first observation of the singly Cabibbo-suppressed Ω0𝑐→Ω−𝐾+ and Ω0𝑐→Ξ−𝜋+ decays is reported, using proton-proton collision data at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.4 fb−1, collected with the LHCb detector between 2016 and 2018. The branching fra...
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
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23 February 2024
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| In: |
Physical review letters
Year: 2024, Jahrgang: 132, Heft: 8, Pages: 1-11 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.132.081802 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1103/PhysRevLett.132.081802 Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.132.081802 
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| Verfasserangaben: | R. Aaij et al. (LHCb Collaboration) |
MARC
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| 110 | 2 | |a LHCb Collaboration |e VerfasserIn |0 (DE-588)1166245764 |0 (DE-627)1030265593 |0 (DE-576)510686508 |4 aut | |
| 245 | 1 | 0 | |a Observation of cabibbo-suppressed two-body hadronic decays and precision mass measurement of the Ω0c baryon |c R. Aaij et al. (LHCb Collaboration) |
| 246 | 3 | 3 | |a Observation of cabibbo-suppressed two-body hadronic decays and precision mass measurement of the omega 0 c baryon |
| 264 | 1 | |c 23 February 2024 | |
| 300 | |b Illustrationen | ||
| 300 | |a 11 | ||
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a Computermedien |b c |2 rdamedia | ||
| 338 | |a Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Im Text ist "0" hochgestellt, "c" tiefgestellt | ||
| 500 | |a LHCb Collaboration: R. Aaij, S. Bachmann, M. Borsato, L. Carus, R. Caspary, C. Cocha Toapaxi, M. De Cian, G. Frau, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, C. Langenbruch, B. Leverington, J. Marks, M.P. Morgenthaler, P.R. Pais, G. Tuci, D.J. Unverzagt, U. Ulrich, C. Wang, L. Witola, Y. Zhao, A. Zhelezov [und viele weitere] | ||
| 500 | |a Gesehen am 11.10.2024 | ||
| 520 | |a The first observation of the singly Cabibbo-suppressed Ω0→Ω−+ and Ω0→Ξ−+ decays is reported, using proton-proton collision data at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.4 fb−1, collected with the LHCb detector between 2016 and 2018. The branching fraction ratios are measured to be ℬ(Ω0→Ω−+)ℬ(Ω0→Ω−+)=[6.08±0.51(stat)±0.40(syst)]%,ℬ(Ω0→Ξ−+)ℬ(Ω0→Ω−+)=[15.81±0.87(stat)±0.44(syst)±0.16(ext)]%. In addition, using the Ω0→Ω−+ decay channel, the Ω0 baryon mass is measured to be (Ω0)=2695.28±0.07(stat)±0.27(syst)±0.30(ext) MeV, improving the precision of the previous world average by a factor of 4. | ||
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