Search for the Higgs boson in the H?WW(*)?l(+)?l(-)? decay channel in pp collisions at vs=7 TeV with the ATLAS detector.

Search for the Higgs boson in the H?WW(*)?l(+)?l(-)? decay channel in pp collisions at vs=7 TeV with the ATLAS detector.
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在 H?WW(*)?l( )?l(-)? 中寻找希格斯玻色子

DOI:
10.1103/physrevlett.108.111802
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发表时间:
2012
影响因子:
8.6
通讯作者:
Aad G
Aad G
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
Aad G

文献摘要

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希格斯玻色子的研究已经在H!WW!“在大型强子对撞机上用ATLAS探测器收集到的以ffffiffi s p = 7 TeV的pp碰撞的积分光度为2:05 fb/1的“fffiffi”通道(“fffi =”)。没有观察到明显超过预期背景的事件,并且对于希格斯玻色子质量在110 GeV< mH< 300 GeV范围内的希格斯玻色子产生截面的限制被导出。这些观测排除了标准模型希格斯玻色子的存在,其质量为145< mH< 206 GeV,置信水平为95%。
A search for the Higgs boson has been performed in the H! WW ðÃÞ!‘þ ‘Ā" channel (‘ž e=) with an integrated luminosity of 2: 05 fb Ā1 of pp collisions at ffiffiffi s p ž 7 TeV collected with the ATLAS detector at the Large Hadron Collider. No significant excess of events over the expected background is observed and limits on the Higgs boson production cross section are derived for a Higgs boson mass in the range 110 GeV< mH< 300 GeV. The observations exclude the presence of a standard model Higgs boson with a mass 145< mH< 206 GeV at 95% confidence level.