Measurement of the absolute branching fractions for D−s→ℓ−v̄ℓ and extraction of the decay constant fDs
The absolute branching fractions for the decays D−s→ℓ−¯νℓ (ℓ=e, μ, or τ) are measured using a data sample corresponding to an integrated luminosity of 521 fb−1 collected at center-of-mass energies near 10.58 GeV with the BABAR detector at the PEP-II e+e− collider at SLAC. The number of D−s mesons is...
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| Hauptverfasser: | , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
10 November 2010
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| In: |
Physical review. D, Particles, fields, gravitation, and cosmology
Year: 2010, Jahrgang: 82, Heft: 9, Pages: 1-8 |
| ISSN: | 1550-2368 |
| DOI: | 10.1103/PhysRevD.82.091103 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevD.82.091103 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.82.091103 
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| Verfasserangaben: | BABAR Collaboration |
MARC
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| 245 | 1 | 0 | |a Measurement of the absolute branching fractions for D−s→ℓ−v̄ℓ and extraction of the decay constant fDs |c BABAR Collaboration |
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| 246 | 3 | 3 | |a Measurement of the absolute branching fractions for D minus s → ℓ minus v[bar] ℓ and extraction of the decay constant [function] D s |
| 246 | 3 | 3 | |a Measurement of the absolute branching fractions for D − s → ℓ − v̄ℓ and extraction of the decay constant f D s |
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| 500 | |a Im Titel ist "function" als mathematisches Zeichen dargestellt | ||
| 500 | |a Im Titel steht der Buchstabe "v" mit einem Oberstrich | ||
| 500 | |a BABAR Collaboration: P. del Amo Sanchez, A. Adametz, J. Marks, U. Uwer, T. Hartmann, T. Leddig, H. Schröder, R. Waldi [und viele weitere] | ||
| 520 | |a The absolute branching fractions for the decays D−s→ℓ−¯νℓ (ℓ=e, μ, or τ) are measured using a data sample corresponding to an integrated luminosity of 521 fb−1 collected at center-of-mass energies near 10.58 GeV with the BABAR detector at the PEP-II e+e− collider at SLAC. The number of D−s mesons is determined by reconstructing the recoiling system DKXγ in events of the type e+e−→DKXD*−s, where D*−s→D−sγ and X represents additional pions from fragmentation. The D−s→ℓ−νℓ events are detected by full or partial reconstruction of the recoiling system DKXγℓ. The branching fraction measurements are combined to determine the D−s decay constant fDs=(258.6±6.4±7.5) MeV, where the first uncertainty is statistical and the second is systematic. | ||
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| 700 | 1 | |a Adametz, Aleksandra |e VerfasserIn |0 (DE-588)1014430879 |0 (DE-627)705232115 |0 (DE-576)348804202 |4 aut | |
| 700 | 1 | |a Marks, Jörg |e VerfasserIn |0 (DE-588)1155945360 |0 (DE-627)1018501622 |0 (DE-576)168970112 |4 aut | |
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| 773 | 1 | 8 | |g volume:82 |g year:2010 |g number:9 |g elocationid:091103 |g pages:1-8 |g extent:8 |a Measurement of the absolute branching fractions for D−s→ℓ−v̄ℓ and extraction of the decay constant fDs |
| 776 | 0 | 8 | |i Erscheint auch als |n Druck-Ausgabe |a BABAR Collaboration |t Measurement of the absolute branching fractions for D−s→ℓ−v̄ℓ and extraction of the decay constant fDs |d 2010 |w (DE-627)788269445 |w (DE-576)9788269443 |
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