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arXiv 1111.5426hep-lathep-ph
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暗物质搜索与核子的标量夸克含量

Dark matter Search and the Scalar Quark Contents of the Nucleon

Simon Dinter, Vincent Drach, Karl Jansen

摘要:

本文给出了欧洲扭曲质量协作组(ETMC)对核子中轻夸克、奇异夸克和粲夸克含量的格点量子色动力学模拟结果。这些数量是重要的成分,以估计横截面的检测WIMP作为暗物质的候选人。通过采用特殊的格点量子色动力学公式,即扭曲质量费米子,可以得到核子的光和奇异标量含量的精确结果。此外,我们还给出了核子的粲夸克含量的一个界。

英文摘要:

We present lattice QCD simulation results from the European Twisted Mass Collaboration (ETMC) for the light, strange and charm quark contents of the nucleon. These quantities are important ingredients to estimate the cross-section for the detection of WIMPs as Dark Matter candidates. By employing a particular lattice QCD formulation, i.e. twisted mass fermions, accurate results of the light and strange scalar contents of the nucleon can be obtained. In addition, we provide a bound for the charm quark content of the nucleon.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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