期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 4, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP04(2021)199
关键词
Beyond Standard Model; Dark matter; Fixed target experiments
资金
- Swiss National Science Foundation (SNF) [BSSGI0_155990, 200020_188464, IZSAZ2_173357]
- National Research Foundation of Korea [2018R1A2B2007757, 2018R1D1A3B07050649, 2018R1D1A1B07050701, 2017R1D1A1B03036042, 2017R1A6A3A01075752, 2016R1A2B4012302, 2016R1A6A3A11930680]
- FCT -Fundacao para a Ciencia e a Tecnologia of Portugal [CERN/FIS-PAR/0030/2017]
- Russian Foundation for Basic Research (RFBR) [17-02-00607]
- TAEK of Turkey
- Swiss National Science Foundation (SNF) [IZSAZ2_173357, BSSGI0_155990] Funding Source: Swiss National Science Foundation (SNF)
- National Research Foundation of Korea [2018R1A2B2007757, 2016R1A2B4012302, 2017R1A6A3A01075752, 2016R1A6A3A11930680, 2017R1D1A1B03036042, 2018R1D1A3B07050649, 2018R1D1A1B07050701] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- Fundação para a Ciência e a Tecnologia [CERN/FIS-PAR/0030/2017] Funding Source: FCT
Dark matter, supported by observations in modern astrophysics and cosmology, is a well-established theoretical addition to the Standard Model. The SHiP experiment aims to detect elusive particles in the sub-GeV mass range, potentially improving current limits for dark matter from 1 MeV to 300 MeV and probing thermal relics for Majorana candidates.
Dark matter is a well-established theoretical addition to the Standard Model supported by many observations in modern astrophysics and cosmology. In this context, the existence of weakly interacting massive particles represents an appealing solution to the observed thermal relic in the Universe. Indeed, a large experimental campaign is ongoing for the detection of such particles in the sub-GeV mass range. Adopting the benchmark scenario for light dark matter particles produced in the decay of a dark photon, with alpha(D) = 0.1 and m(A ') = 3m(chi), we study the potential of the SHiP experiment to detect such elusive particles through its Scattering and Neutrino detector (SND). In its 5-years run, corresponding to 2 center dot 10(20) protons on target from the CERN SPS, we find that SHiP will improve the current limits in the mass range for the dark matter from about 1 MeV to 300 MeV. In particular, we show that SHiP will probe the thermal target for Majorana candidates in most of this mass window and even reach the Pseudo-Dirac thermal relic.
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