Measurement of the branching fractions B(B0 → p[bar]pp[bar]p) and B(B0s → p[bar]pp[bar]p)
Searches for the rare hadronic decays B0→p¯pp¯p and B0s→p¯pp¯p are performed using proton-proton collision data recorded by the LHCb experiment and corresponding to an integrated luminosity of 9 fb−1. Significances of 9.3σ and 4.0σ, including statistical and systematic uncertainties, are obtained fo...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
1 September 2023
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| In: |
Physical review letters
Year: 2023, Jahrgang: 131, Heft: 9, Pages: 1-11 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.131.091901 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1103/PhysRevLett.131.091901 Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.131.091901 
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| Verfasserangaben: | R. Aaij et al. (LHCb Collaboration*) |
MARC
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| 245 | 1 | 0 | |a Measurement of the branching fractions B(B0 → p[bar]pp[bar]p) and B(B0s → p[bar]pp[bar]p) |c R. Aaij et al. (LHCb Collaboration*) |
| 246 | 3 | 3 | |a Measurement of the branching fractions B (B 0 → p [bar] p p [bar] p) and B (B 0 s → p [bar] p p [bar] p) |
| 264 | 1 | |c 1 September 2023 | |
| 300 | |b Illustrationen | ||
| 300 | |a 11 | ||
| 336 | |a Text |b txt |2 rdacontent | ||
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| 500 | |a Veröffentlicht: 29 August 2023 | ||
| 500 | |a *LHCb Collaboration: R. Aaij, F. Archilli, S. Bachmann, D. Berninghoff, M. Borsato, R. Caspary, G. Frau, D. Gerick, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, R. Kopecna, B. Leverington, P. Li, J. Marks, D.J. Unverzagt, U. Uwer, C. Witola, A. Zhelezov (und 1054 weitere Personen) | ||
| 500 | |a Im Titel stehen der 2., 4., 6. und 8. Buchstabe "p" mit einem Oberstrich | ||
| 500 | |a Im Titel ist die Zahl 0 hochgestellt und der Buchstabe "s" tiefgestellt | ||
| 500 | |a Gesehen am 22.05.2024 | ||
| 520 | |a Searches for the rare hadronic decays B0→p¯pp¯p and B0s→p¯pp¯p are performed using proton-proton collision data recorded by the LHCb experiment and corresponding to an integrated luminosity of 9 fb−1. Significances of 9.3σ and 4.0σ, including statistical and systematic uncertainties, are obtained for the B0→p¯pp¯p and B0s→p¯pp¯p signals, respectively. The branching fractions are measured relative to the topologically similar normalization decays B0→J/ψ(→p¯p)K*0(→K+π−) and B0s→J/ψ(→p¯p) ϕ(→K+K−). The branching fractions are measured to be B(B0→p¯pp¯p)=(2.2±0.4±0.1±0.1)×10−8 and B(B0s→p¯pp¯p)=(2.3±1.0±0.2±0.1)×10−8. In these measurements, the first uncertainty is statistical, the second is systematic, and the third one is due to the external branching fraction of the normalization channel. | ||
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