Dark matter Search and the Scalar Quark Contents of the Nucleon
Simon Dinter, Vincent Drach, Karl Jansen
TL;DR
This paper reports lattice QCD simulation results for the scalar quark contents of the nucleon, which are crucial for estimating dark matter detection cross-sections, using twisted mass fermions for improved accuracy.
Contribution
The study provides new lattice QCD results for light, strange, and charm quark contents of the nucleon using twisted mass fermions, including a bound for the charm content.
Findings
Accurate scalar quark contents for light and strange quarks
Bound established for charm quark content in the nucleon
Results improve estimates for dark matter detection cross-sections
Abstract
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.
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