期刊
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
卷 61, 期 10, 页码 -出版社
SCIENCE PRESS
DOI: 10.1007/s11433-018-9227-4
关键词
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资金
- National Natural Science Foundation of China [11705093]
- National Research Foundation of Korea (NRF) - Ministry of Science and ICT [2017H1D3A1A01014127]
- Institute for Basic Science (IBS) [IBS-R018-D1]
- National Research Foundation of Korea [2017H1D3A1A01014127, QP037702] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We study the recent e (+/-) cosmic ray excess reported by DAMPE in a Hidden Valley Model with lepton-portal dark matter. We find the electron-portal can account for the excess well and satisfy the DM relic density and direct detection bounds, while electron+muon/electron+muon+tau-portal suffers from strong constraints from lepton flavor violating observables, such as mu -> 3e. We also discuss possible collider signatures of our model, both at the LHC and a future 100 TeV hadron collider.
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