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Título:	Measurement of the Bs0 Lifetime in Fully and Partially Reconstructed Bs0→Ds-(ϕπ-)X Decays in p̅ p Collisions at √s=1.96 TeV
Autor:	Aaltonen, T.; Álvarez González, B.; Casal, Bruno CSIC; Cuevas, Javier CSIC ORCID; Gómez, Gervasio CSIC ORCID ; Palencia, Enrique CSIC ORCID; Rodrigo, Teresa CSIC ORCID ; Ruiz Jimeno, Alberto CSIC ORCID ; Scodellaro, Luca CSIC ORCID ; Vila, Iván CSIC ORCID; Vilar Cortabitarte, R. CSIC ORCID
Fecha de publicación:	dic-2011
Editor:	American Physical Society
Citación:	Physical Review Letters 107(27): 272001 (2011)
Resumen:	We present a measurement of the Bs0 lifetime in fully and partially reconstructed Bs0→Ds-(ϕπ-)X decays in 1.3 fb-1 collected in pp̅ collisions at √s=1.96 TeV by the CDF II detector at the Fermilab Tevatron. We measure τ(Bs0)=1.518±0.041(stat)±0.027(syst) ps. The ratio of this result and the world average B0 lifetime yields τ(Bs0)/τ(B0)=0.99±0.03, which is in agreement with recent theoretical predictions.
Descripción:	7 páginas, 2 figuras, 1 tabla.-- PACS numbers: 14.40.Nd, 13.25.Hw.-- CDF Collaboration: et al.
Versión del editor:	http://dx.doi.org/10.1103/PhysRevLett.107.272001
URI:	http://hdl.handle.net/10261/46227
DOI:	10.1103/PhysRevLett.107.272001
ISSN:	0031-9007
E-ISSN:	1079-7114
Aparece en las colecciones:	(IFCA) Artículos

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Measurement of the Bs0 Lifetime in Fully and Partially Reconstructed Bs0→Ds-(ϕπ-)X Decays in p̅ p Collisions at √s=1.96 TeV