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Zatserklyaniy A, Zdrazil M, Zeitnitz C, Zhang D, Zhang X, Zhao T, Zhao Z, Zhou B, Zhu J, Zielinski M, Zieminska D, Zieminski A, Zitoun R, Zutshi V, Zverev E G
Universidad de Buenos Aires, Argentina.
Phys Rev Lett. 2005 Oct 7;95(15):151801. doi: 10.1103/PhysRevLett.95.151801. Epub 2005 Oct 4.
We have performed a search for neutral Higgs bosons produced in association with bottom quarks in pp collisions, using 260 pb-1 of data collected with the D0 detector in Run II of the Fermilab Tevatron Collider. The cross sections for these processes are enhanced in many extensions of the standard model (SM), such as in its minimal supersymmetric extension at large tanbeta. The results of our analysis agree with expectations from the SM, and we use our measurements to set upper limits on the production of neutral Higgs bosons in the mass range of 90 to 150 GeV.
我们利用费米实验室Tevatron对撞机Run II期间D0探测器收集的260皮靶数据,搜索质子-质子碰撞中与底夸克伴随产生的中性希格斯玻色子。在标准模型(SM)的许多扩展中,比如在大tanβ时的最小超对称扩展中,这些过程的截面会增强。我们的分析结果与标准模型的预期相符,并且我们利用测量结果对质量范围在90至150 GeV的中性希格斯玻色子的产生设定了上限。