Measurement of |Vcb| and the form-factor slope in B[bar]→Dℓ−ν[bar]ℓ decays in events tagged by a fully reconstructed B meson
We present a measurement of the Cabibbo-Kobayashi-Maskawa matrix element |Vcb| and the form-factor slope ρ2 in B[bar]→Dℓ−ν[bar]ℓ decays based on 460×106 BB[bar] events recorded at the Υ(4S) resonance with the BABAR detector. B[bar]→Dℓ−ν[bar]ℓ decays are selected in events in which a hadronic decay o...
Gespeichert in:
| Hauptverfasser: | , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
5 January 2010
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| In: |
Physical review letters
Year: 2010, Jahrgang: 104, Heft: 1, Pages: 1-7 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.104.011802 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.104.011802 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.104.011802 
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| Verfasserangaben: | BABAR Collaboration* |
MARC
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| 245 | 1 | 0 | |a Measurement of |Vcb| and the form-factor slope in B[bar]→Dℓ−ν[bar]ℓ decays in events tagged by a fully reconstructed B meson |c BABAR Collaboration* |
| 246 | 3 | 3 | |a Measurement of |V cb| and the form-factor slope in B [bar] →D ℓ − ν [bar] ℓ decays in events tagged by a fully reconstructed B meson |
| 264 | 1 | |c 5 January 2010 | |
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| 500 | |a *BABAR Collaboration: B. Aubert, J. Marks, S. Schenk, U. Uwer [und 489 weitere Personen] | ||
| 500 | |a Im Titel steht der Buchstabe B sowie der Buchstabe v mit einem Oberstrich | ||
| 500 | |a Im Titel ist der Ausdruck "cb" sowie der zweite Buchstabe l tiefgestellt | ||
| 500 | |a Im Titel ist das Minuszeichen hochgestellt | ||
| 500 | |a Gesehen am 28.11.2022 | ||
| 520 | |a We present a measurement of the Cabibbo-Kobayashi-Maskawa matrix element |Vcb| and the form-factor slope ρ2 in B[bar]→Dℓ−ν[bar]ℓ decays based on 460×106 BB[bar] events recorded at the Υ(4S) resonance with the BABAR detector. B[bar]→Dℓ−ν[bar]ℓ decays are selected in events in which a hadronic decay of the second B meson is fully reconstructed. We measure B(B−→D0ℓ−ν[bar]ℓ)/B(B−→Xℓ−ν[bar]ℓ)=(0.255±0.009±0.009) and B(B[bar]0→D+ℓ−ν[bar]ℓ)/B(B[bar]0→Xℓ−ν[bar]ℓ)=(0.230±0.011±0.011), along with the differential decay distribution in B[bar]→Dℓ−ν[bar]ℓ decays. We then determine G(1)|Vcb|=(42.3±1.9±1.4)×10−3 and ρ2=1.20±0.09±0.04, where G(1) is the hadronic form factor at the point of zero recoil. | ||
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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 Schenk, Sebastian |d 1990- |e VerfasserIn |0 (DE-588)1173332219 |0 (DE-627)1042466424 |0 (DE-576)515119296 |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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| 776 | 0 | 8 | |i Erscheint auch als |n Druck-Ausgabe |t {Measurement of $|V(cb)|$ and the form-factor slope in $\Bbar \to D l^- \overline\nu$ decays in events tagged by a fully reconstructed $B$ meson} |d 2010 |w (DE-627)786042958 |
| 856 | 4 | 0 | |u https://doi.org/10.1103/PhysRevLett.104.011802 |x Verlag |x Resolving-System |z lizenzpflichtig |3 Volltext |
| 856 | 4 | 0 | |u https://link.aps.org/doi/10.1103/PhysRevLett.104.011802 |x Verlag |z lizenzpflichtig |3 Volltext |
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