Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B+→ρ0K*+ and B+→f0(980)K*+ decays
We present measurements of the branching fractions, longitudinal polarization, and direct CP-violation asymmetries for the decays B+→ρ0K*+ and B+→f0(980)K*+ with a sample of (467±5)×106B¯¯¯B pairs collected with the BABAR detector at the PEP-II asymmetric-energy e+e− collider at the SLAC National Ac...
Gespeichert in:
| Hauptverfasser: | , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
8 March 2011
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| In: |
Physical review. D, Particles, fields, gravitation, and cosmology
Year: 2011, Jahrgang: 83, Heft: 5, Pages: 1-8 |
| ISSN: | 1550-2368 |
| DOI: | 10.1103/PhysRevD.83.051101 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevD.83.051101 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.83.051101 
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| Verfasserangaben: | The BABAR Collaboration* |
MARC
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| 245 | 1 | 0 | |a Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B+→ρ0K*+ and B+→f0(980)K*+ decays |c The BABAR Collaboration* |
| 246 | 3 | 3 | |a Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B + → rho 0 K * + and B + → f 0 (980) K * + decays |
| 264 | 1 | |c 8 March 2011 | |
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| 500 | |a *The BABAR Collaboration: P. del Amo Sanchez, J. Marks, U. Uwer [und 434 weitere Personen] | ||
| 500 | |a Im Titel sind die Zeichen +, - und * sowie die Zahl 0 hochgestellt | ||
| 500 | |a Im Titel ist die Zahl 0 im Ausdruck "f0(980)K*+" tiefgestellt | ||
| 500 | |a Gesehen am 05.10.2022 | ||
| 520 | |a We present measurements of the branching fractions, longitudinal polarization, and direct CP-violation asymmetries for the decays B+→ρ0K*+ and B+→f0(980)K*+ with a sample of (467±5)×106B¯¯¯B pairs collected with the BABAR detector at the PEP-II asymmetric-energy e+e− collider at the SLAC National Accelerator Laboratory. We observe B+→ρ0K*+ with a significance of 5.3σ and measure the branching fraction B(B+→ρ0K*+)=(4.6±1.0±0.4)×10−6, the longitudinal polarization fL=0.78±0.12±0.03, and the CP-violation asymmetry ACP=0.31±0.13±0.03. We observe B+→f0(980)K*+ and measure the branching fraction B(B+→f0(980)K*+)×B(f0(980)→π+π−)=(4.2±0.6±0.3)×10−6 and the CP-violation asymmetry ACP=−0.15±0.12±0.03. The first uncertainty quoted is statistical and the second is systematic. | ||
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| 700 | 1 | |a Marks, Jörg |e VerfasserIn |0 (DE-588)1155945360 |0 (DE-627)1018501622 |0 (DE-576)168970112 |4 aut | |
| 700 | 1 | |a Uwer, Ulrich |d 1965- |e VerfasserIn |0 (DE-588)172865387 |0 (DE-627)697794369 |0 (DE-576)133720837 |4 aut | |
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