Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-12-04
AIP Conf.Proc. 618 (2002) 371-380
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, latex, 2 figures. Invited paper to be published in the Proceedings of the 9th International Symposium on Heavy Flavo
Scientific paper
10.1063/1.1478856
It has been known for a long time that the cross section for bottom-quark $b$ production at hadron collider energies exceeds theoretical expectations. An additional contribution from pair-production of light gluinos $\tilde{g}$, of mass 12 to 16 GeV, with two-body decays into bottom quarks and light bottom squarks $\tilde{b}$, helps to obtain a $b$ production rate in better agreement with data. The masses of the $\tilde{g}$ and $\tilde{b}$ are restricted further by the ratio of like-sign to opposite-sign leptons at hadron colliders. Constraints on this scenario from other data are examined, and predictions are made for various processes such as Upsilon decay into $\tilde{b}'s$.
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