• Open Access

Determination of fs/fd for 7 TeV pp Collisions and Measurement of the B0DK+ Branching Fraction

R. Aaij et al. (LHCb Collaboration)
Phys. Rev. Lett. 107, 211801 – Published 14 November 2011

Abstract

The relative abundance of the three decay modes B0DK+, B0Dπ+, and Bs0Dsπ+ produced in 7 TeV pp collisions at the LHC is determined from data corresponding to an integrated luminosity of 35pb1. The branching fraction of B0DK+ is found to be B(B0DK+)=(2.01±0.18stat±0.14syst)×104. The ratio of fragmentation fractions fs/fd is determined through the relative abundance of Bs0Dsπ+ to B0DK+ and B0Dπ+, leading to fs/fd=0.253±0.017±0.017±0.020, where the uncertainties are statistical, systematic, and theoretical, respectively.

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  • Received 28 June 2011

DOI:https://doi.org/10.1103/PhysRevLett.107.211801

This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

© 2011 CERN, for the LHCb Collaboration

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Vol. 107, Iss. 21 — 18 November 2011

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