期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 7, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP07(2019)050
关键词
Beyond Standard Model; Cosmology of Theories beyond the SM
资金
- Ministry of Education, Science, Sports, and Culture (MEXT), Japan
- Japan Society for the Promotion of Science (JSPS) [16H02176, 17H02878, 26104009]
- World Premier International Research Center Initiative (WPI), MEXT, Japan
- Chinese Academy of Sciences Taiwan Young Talent Programme [2018TW2JA0005]
A light fermionic weakly interacting massive particle (WIMP) dark matter is investigated by studying its minimal renormalizable model, where it requires a scalar mediator to have an interaction between the WIMP and standard model particles. We perform a comprehensive likelihood analysis of the model involving the latest but robust constraints and those will be obtained in the near future. In addition, we pay particular attention to properly take the kinematically equilibrium condition into account. It is shown that near-future experiments and observations such as low-mass direct dark matter detections, flavor experiments and CMB observations play important roles to test the model. Still, a wide parameter region will remain even if no WIMP and mediator signals are detected there. We also show that precise Higgs boson measurements at future lepton colliders will significantly test this remaining region.
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