Graviton production with 2 jets at the LHC in large extra dimensions

Graviton production with 2 jets at the LHC in large extra dimensions
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LHC 中的 2 个喷气机在大额外维度中产生引力子

DOI:
10.1088/1126-6708/2008/04/019
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发表时间:
2008
期刊:
JHEP
影响因子:
--
通讯作者:
D.Zeppenfeld
D.Zeppenfeld
中科院分区:
--
文献类型:
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作者:
K. Hagiwara;P. Konar;Q. Li;K.Mawatari;D.Zeppenfeld

文献摘要

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本文研究了在大型强子对撞机中,通过2个射流加上缺失的横向动量特征,在大额外维度模型中产生Kaluza-Klein (KK)引力子。我们对信号和主要的Zjj和Wjj背景进行了预测,其中我们引入了缺失的依赖于P - t的射流选择切割,以确保2射流速率比1射流速率小。在相同的喷流选择切割下,两个喷流的分布及其与缺失的横向动量的相关性为不可见大质量物体的产生提供了额外的证据。
We study Kaluza-Klein (KK) graviton production in the large extra dimensions model via 2 jets plus missing transverse momentum signatures at the LHC. We make predictions for both the signal and the dominant Zjj and Wjj backgrounds, where we introduce missing P T-dependent jet selection cuts that ensure the smallness of the 2-jet rate over the 1-jet rate. With the same jet selection cuts, the distributions of the two jets and their correlation with the missing transverse momentum provide additional evidence for the production of an invisible massive object.