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北美退伍军人节(Veterans Day),12 日无更新
arXiv 1001.4468hep-ex
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用CDF II探测器研究WW衰变通道中标准模型希格斯玻色子的产生

Inclusive Search for Standard Model Higgs Boson Production in the WW Decay Channel using the CDF II Detector

The CDF Collaboration, T. Aaltonen

摘要:

我们提出了一个搜索标准模型(SM)希格斯玻色子生产使用ppbar碰撞数据在sqrt(s)= 1.96 TeV,收集与CDF II探测器和相应的积分亮度为4.8 fb-1。我们寻找希格斯玻色子玻色子产生的所有过程中具有显着的生产率和衰减到两个W玻色子。我们没有发现SM希格斯玻色子玻色子产生的证据,并在SM产生截面(σ(H))的95%置信水平上设置上限,希格斯玻色子玻色子(m_H)的值在110到200 GeV的范围内。这些极限对于m_H > 130 GeV是最严格的,并且比m_H = 165 GeV时的σ(H)预测值高1.29。

英文摘要:

We present a search for standard model (SM) Higgs boson production using ppbar collision data at sqrt(s) = 1.96 TeV, collected with the CDF II detector and corresponding to an integrated luminosity of 4.8 fb-1. We search for Higgs bosons produced in all processes with a significant production rate and decaying to two W bosons. We find no evidence for SM Higgs boson production and place upper limits at the 95% confidence level on the SM production cross section (sigma(H)) for values of the Higgs boson mass (m_H) in the range from 110 to 200 GeV. These limits are the most stringent for m_H > 130 GeV and are 1.29 above the predicted value of sigma(H) for mH = 165 GeV.

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