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Measurement of theB+production cross section inpp¯collisions ats=1960  GeV

Journal article published in 2007 by A. Abulencia, J. Adelman, T. Affolder, T. Akimoto, M. G. Albrow, D. Ambrose, S. Amerio, D. Amidei, A. Anastassov, K. Anikeev, A. Annovi, J. Antos, M. Aoki, G. Apollinari, J.-F. Arguin and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Abstract

28 pages, 3 tables, 10 figures Submitted to Phys. Rev. D ; We present a new measurement of the $B^+$ meson differential cross section $dσ/d p_T$ at $\sqrt{s}=1960$ GeV. The data correspond to an integrated luminosity of 739pb$^{-1}$ collected with the upgraded CDF detector (CDF II) at the Fermilab Tevatron collider. $B^+$ candidates are reconstructed through the decay $B^+ \to J/ψ K^+$, with $J/ψ \to μ^+ μ^-$. The integrated cross section for producing $B^+$ mesons with $p_T ≥ 6$ GeV/c and $|y| ≤ 1$ is measured to be $2.78 ± 0.24 μ$b