期刊
PHYSICS OF THE DARK UNIVERSE
卷 27, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.dark.2019.100351
关键词
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资金
- JSPS KAKENHI [16K17715]
- United States-Israel Binational Science Foundation, Jerusalem, Israel
- Israel Science Foundation
- German Federal Ministry of Education and Research [05H15PACC1]
- Helmholtz Foundation
- U.S. DOE [DE-SC0011726]
- European Research Council under the European Union's Horizon 2020 research and innovation program [679305]
- Swedish Research Council
- NSF CAREER grant [PHY-1654502]
- NSF [PHY11-25915, PHY-1316792]
- Aspen Center for Physics
- National Science Foundation [PHY-1066293]
- CERN Theoretical Physics Department
- Ministry of Education, Science, Sports, and Culture (MEXT), Japan [16H06492]
- World Premier International Research Center Initiative (WPI Initiative), MEXT, Japan
- European Research Council under the European Union's Horizon 2020 program [648680]
- Programa Atraccion de Talento de la Comunidad de Madrid [2017-T1/TIC-5202]
- STFC [ST/M005437/1]
- National Science Centre, Poland
- HARMONIA project [UMO-2015/18/M/ST2/00518]
- National Research, Development and Innovation Fund in Hungary [K 25105]
- STFC [ST/M005437/1, ST/P001246/1] Funding Source: UKRI
- European Research Council (ERC) [679305] Funding Source: European Research Council (ERC)
Dark matter (DM) simplified models are by now commonly used by the ATLAS and CMS Collaborations to interpret searches for missing transverse energy (E-T(miss)). The coherent use of these models sharpened the LHC DM search program, especially in the presentation of its results and their comparison to DM direct-detection (DD) and indirect-detection (ID) experiments. However, the community has been aware of the limitations of the DM simplified models, in particular the lack of theoretical consistency of some of them and their restricted phenomenology leading to the relevance of only a small subset of E-T(miss) signatures. This document from the LHC Dark Matter Working Group identifies an example of a next-generation DM model, called 2HDM+a, that provides the simplest theoretically consistent extension of the DM pseudoscalar simplified model. A comprehensive study of the phenomenology of the 2HDM+a model is presented, including a discussion of the rich and intricate pattern of mono-X signatures and the relevance of other DM as well as non-DM experiments. Based on our discussions, a set of recommended scans are proposed to explore the parameter space of the 2HDM+a model through LHC searches. The exclusion limits obtained from the proposed scans can be consistently compared to the constraints on the 2HDM+a model that derive from DD, ID and the DM relic density. (C) 2019 The Authors. Published by Elsevier B.V.
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