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Measurement of the Cross Section for open b-Quark Production in Two-Photon Interactions at LEP
Journal article   Open access   Peer reviewed

Measurement of the Cross Section for open b-Quark Production in Two-Photon Interactions at LEP

S. Schael, R. Barate, R. Brunelière, I. de Bonis, D. Decamp, C. Goy, S. Jézéquel, J.P. Lees, F. Martin, E. Merle, …
Journal of High Energy Physics, Vol.09
2007

Abstract

Inclusive beauty-quark production in two-photon collisions has been measured at LEP using an integrated luminosity of 698 pb-1 collected by the ALEPH detector with sqrt(s) between 130 and 209 GeV. The b quarks were identified using lifetime information. The cross section is found to be sigma(e+ e- --> e+ e- b \bar{b} X) = (5.4 +/- 0.8 (stat) +/- 0.8 (syst)) pb which is consistent with Next-to-Leading Order QCD.
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https://doi.org/10.1088/1126-6708/2007/09/102View
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