First observation of the decay B[bar]s0→D0K⁎0 and a measurement of the ratio of branching fractions B(B[bar]s0→D0K⁎0)/B(B[bar]0→D0ρ0)
The first observation of the decay B¯s0→D0K⁎0 using pp data collected by the LHCb detector at a centre-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 36 pb−1, is reported. A signal of 34.4±6.8 events is obtained and the absence of signal is rejected with a statistical signific...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
4 November 2011
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| In: |
Physics letters
Year: 2011, Jahrgang: 706, Heft: 1, Pages: 32-39 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2011.10.073 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.physletb.2011.10.073 Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0370269311013396 
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| Verfasserangaben: | LHCb Collaboration* |
MARC
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| 245 | 1 | 0 | |a First observation of the decay B[bar]s0→D0K⁎0 and a measurement of the ratio of branching fractions B(B[bar]s0→D0K⁎0)/B(B[bar]0→D0ρ0) |c LHCb Collaboration* |
| 246 | 3 | 0 | |a ¯ |
| 246 | 3 | 3 | |a First observation of the decay B [bar] s 0 → D0K ⁎ 0 and a measurement of the ratio of branching fractions B(B[bar]s0→D0K⁎0)/B(B[bar]0→D0rho0) |
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| 500 | |a Im Titel ist die Zahl 0 jeweils hochgestellt | ||
| 500 | |a Im Titel ist das Zeichen * jeweils hochgestellt | ||
| 500 | |a Im Titel steht der Ausdruck "B(B[bar]s0→D0K⁎0)B(B[bar]0→D0ρ0)" als Bruch, B(B[bar]s0→D0K⁎0) ist dabei Zähler, B(B[bar]0→D0ρ0) ist Nenner | ||
| 500 | |a Gesehen am 16.02.2022 | ||
| 520 | |a The first observation of the decay B¯s0→D0K⁎0 using pp data collected by the LHCb detector at a centre-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 36 pb−1, is reported. A signal of 34.4±6.8 events is obtained and the absence of signal is rejected with a statistical significance of more than nine standard deviations. The B¯s0→D0K⁎0 branching fraction is measured relative to that of B¯0→D0ρ0: B(B¯s0→D0K⁎0)B(B¯0→D0ρ0)=1.48±0.34±0.15±0.12, where the first uncertainty is statistical, the second systematic and the third is due to the uncertainty on the ratio of the B0 and Bs0 hadronisation fractions. | ||
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