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arXiv 1106.4775hep-ex
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寻找sqrt(s)= 7 TeV pp碰撞中具有单喷流和缺失横能的新物理

Search for New Physics with a Mono-Jet and Missing Transverse Energy in pp Collisions at sqrt(s) = 7 TeV

CMS Collaboration

摘要:

缺失的横向能量和充满活力的射流事件的研究进行PP碰撞数据在质心能量为7 TeV。这些数据是由大型强子对撞机上的CMS探测器收集的,对应于36个倒数皮巴的积分亮度。这些事件超过标准模型的贡献是新物理学的标志,如大额外维度和非粒子。观测到的事件数与标准模型的预测值吻合较好,大大扩展了新物理基准模型参数的限制。

英文摘要:

A study of events with missing transverse energy and an energetic jet is performed using pp collision data at a centre-of-mass energy of 7 TeV. The data were collected by the CMS detector at the LHC, and correspond to an integrated luminosity of 36 inverse picobarns. An excess of these events over standard model contributions is a signature of new physics such as large extra dimensions and unparticles. The number of observed events is in good agreement with the prediction of the standard model, and significant extension of the current limits on parameters of new physics benchmark models is achieved.

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