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arXiv 1209.4446hep-ex
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ATLAS寻找q rt(s)= 7时pp碰撞中衰变为带电轻子和中微子的重规范玻色子TeV

ATLAS search for a heavy gauge boson decaying to a charged lepton and a neutrino in pp collisions at sqrt(s) = 7 TeV

ATLAS Collaboration

摘要:

大型强子对撞机的ATLAS探测器用于寻找高质量态,例如重荷电规范玻色子(W '),衰变为带电轻子(电子或μ子)和中微子。结果的基础上提出的PP碰撞在一个中心的质量能量为7 TeV对应的积分亮度为4.7 fb-1的分析。未观察到超出标准模型预期的情况。对于质量高达2.55 TeV,在95%的可信度水平上排除了具有顺序标准模型耦合的W'。具有等效耦合强度的激发手征玻色子(W*)被排除在2.42 TeV的质量之外。

英文摘要:

The ATLAS detector at the LHC is used to search for high-mass states, such as heavy charged gauge bosons (W'), decaying to a charged lepton (electron or muon) and a neutrino. Results are presented based on the analysis of pp collisions at a centre-of-mass energy of 7 TeV corresponding to an integrated luminosity of 4.7 fb-1. No excess beyond Standard Model expectations is observed. A W' with Sequential Standard Model couplings is excluded at the 95% credibility level for masses up to 2.55 TeV. Excited chiral bosons (W*) with equivalent coupling strength are excluded for masses up to 2.42 TeV.

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