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S J, Wobisch M, Womersley J, Wood D R, Wyatt T R, Xie Y, Xu Q, Xuan N, Yacoob S, Yamada R, Yan M, Yasuda T, Yatsunenko Y A, Yen Y, Yip K, Yoo H D, Youn S W, Yu J, Yurkewicz A, Zabi A, Zatserklyaniy A, Zdrazil M, Zeitnitz C, Zhang D, Zhao T, Zhao Z, Zhou B, Zhu J, Zielinski M, Zieminska D, Zieminski A, Zitoun R, Zutshi V, Zverev E G
Joint Institute for Nuclear Research, Dubna, Russia.
Phys Rev Lett. 2006 Jan 13;96(1):011801. doi: 10.1103/PhysRevLett.96.011801. Epub 2006 Jan 4.
We present a search for the standard model Higgs boson in H --> WW() decays with e+e-, e+/-mu-/+, and mu+mu- final states in pp collisions at a center-of-mass energy of square root of s = 1.96 TeV. The data, collected from April 2002 to June 2004 with the D0 detector, correspond to an integrated luminosity of 300-325 pb(-1), depending on the final state. The number of events observed is consistent with the expectation from backgrounds. Limits from the combination of all three channels on the Higgs boson production cross section times branching ratio sigma x BR(H --> WW() are presented.
我们展示了在质心能量为(\sqrt{s}=1.96)TeV的质子-质子碰撞中,利用(e^+e^-)、(e^±\mu^±)和(\mu^+\mu^-)末态,通过(H→WW^)衰变来寻找标准模型希格斯玻色子。使用D0探测器于2002年4月至2004年6月收集的数据,根据末态不同,对应的积分亮度为300 - 325 pb⁻¹。观察到的事件数量与背景预期相符。给出了所有三个通道组合对希格斯玻色子产生截面乘以分支比(\sigma×BR(H→WW^))的限制。