A Study of b bbar Production in e+e- Collisions at sqrt(s) = 130-207 GeV

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Measurements are presented of R_b, the ratio of the b bbar cross-section to the q qbar cross-section in e+e- collisions, and the forward-backward asymmetry A^b_FB at twelve energy points in the range sqrt(s) = 130-207 GeV. These results are found to be consistent with the Standard Model expectations. The measurements are used to set limits on new physics scenarios involving contact interactions.
23 pages, 6 figures, Accepted by Eur. Phys. J. C

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High Energy Physics - Experiment

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http://salesiana.dossiersoluciones.com/handle/123456789/226058

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0901.4461
 http://arxiv.org/abs/0901.4461
 Eur.Phys.J.C60:1-15,2009
 doi:10.1140/epjc/s10052-009-0917-2

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arXiv