LHC Dark Matter Working Group: Next-generation spin-0 dark matter Models

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dc.contributor.author Abe, Tomohiro
dc.contributor.author Afik, Yoav
dc.contributor.author Albert, Andreas
dc.contributor.author Anelli, Christopher R.
dc.contributor.author Barak, Liron
dc.contributor.author Bauer, Martin
dc.contributor.author Behr, J. Katharina
dc.contributor.author Bell, Nicole F.
dc.contributor.author Boveia, Antonio
dc.contributor.author Brandt, Oleg
dc.contributor.author Busoni, Giorgio
dc.contributor.author Carpenter, Linda M.
dc.contributor.author Chen, Yu-Heng
dc.contributor.author Doglioni, Caterina
dc.contributor.author Elliot, Alison
dc.contributor.author Fujiwara, Motoko
dc.contributor.author Genest, Marie-Helene
dc.contributor.author Gerosa, Raffaele
dc.contributor.author Gori, Stefania
dc.contributor.author Gramling, Johanna
dc.contributor.author Grohsjean, Alexander
dc.contributor.author Gustavino, Giuliano
dc.contributor.author Hahn, Kristian
dc.contributor.author Haisch, Ulrich
dc.contributor.author Henkelmann, Lars
dc.contributor.author Hisano, Junji
dc.contributor.author Huitfeldt, Anders
dc.contributor.author Ippolito, Valerio
dc.contributor.author Kahlhoefer, Felix
dc.contributor.author Landsberg, Greg
dc.contributor.author Lowette, Steven
dc.contributor.author Maier, Benedikt
dc.contributor.author Maltoni, Fabio
dc.contributor.author Muehlleitner, Margarete
dc.contributor.author No, Jose M.
dc.contributor.author Pani, Priscilla
dc.contributor.author Polesello, Giacomo
dc.contributor.author Price, Darren D.
dc.contributor.author Robens, Tania
dc.contributor.author Rovelli, Giulia
dc.contributor.author Rozen, Yoram
dc.contributor.author Sanderson, Isaac W.
dc.contributor.author Santos, Rui
dc.contributor.author Sevova, Stanislava
dc.contributor.author Sperka, David
dc.contributor.author Sung, Kevin
dc.contributor.author Tait, Tim M.P.
dc.contributor.author Terashi, Koji
dc.contributor.author Ungaro, Francesca C.
dc.contributor.author Vryonidou, Eleni
dc.contributor.author Yu, Shin-Shan
dc.contributor.author Wu, Sau Lan
dc.contributor.author Zhou, Chen
dc.date.accessioned 2020-03-25T05:25:11Z
dc.date.available 2020-03-25T05:25:11Z
dc.date.copyright 2020 en_US
dc.date.issued 2020
dc.identifier.citation Abe, T., Afik, Y., Alber, A., Anelli, C.R., Barak, L., Bauer, M., … Zhou, C. (2020). LHC Dark Matter Working Group: Next-generation spin-0 dark matter models. Physics of the Dark Universe, 27, 100351. https://doi.org/10.1016/j.dark.2019.100351 en_US
dc.identifier.uri https://doi.org/10.1016/j.dark.2019.100351
dc.identifier.uri http://hdl.handle.net/1828/11649
dc.description.abstract Dark matter (DM) simplified models are by now commonly used by the ATLAS and CMS Collaborations to interpret searches for missing transverse energy (Emiss T ). 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 Emiss T 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. en_US
dc.description.sponsorship T. Abe’s work is supported by JSPS KAKENHI Grant Number 16K17715. The research of Y. Afik and Y. Rozen was supported by a grant from the United States–Israel Binational Science Foundation, Jerusalem, Israel, and by a grant from the Israel Science Foundation. A. Albert receives support from the German Federal Ministry of Education and Research under grant 05H15PACC1. J. K. Behr acknowledges the support of the Helmholtz Foundation. The research of A. Boveia and L. M. Carpenter is supported by the U.S. DOE grant DE-SC0011726. C. Doglioni has received funding from the European Research Council under the European Union’s Horizon 2020 research and innovation program (grant agreement 679305) and from the Swedish Research Council. S. Gori is supported by the NSF CAREER grant PHY-1654502 and grateful to the Kavli Institute for Theoretical Physics in Santa Barbara, supported in part by the NSF under Grant No. NSF PHY11-25915, as well as the Aspen Center for Physics, supported by the National Science Foundation Grant No. PHY-1066293, for hospitality. U. Haisch acknowledges the hospitality and support of the CERN Theoretical Physics Department. J. Hisano’s work is supported by Grant-in-Aid for Scientific research from the Ministry of Education, Science, Sports, and Culture (MEXT), Japan, No. 16H06492, and also by the World Premier International Research Center Initiative (WPI Initiative), MEXT, Japan. The work of J. M. No was partially supported by the European Research Council under the European Union’s Horizon 2020 program (grant agreement 648680) and by the Programa Atraccion de Talento de la Comunidad de Madrid under grant n. 2017-T1/TIC-5202. DDP is supported by STFC under grant ST/M005437/1. The work of T. M. P. Tait is supported in part by NSF grant PHY-1316792. T. Robens is supported in part by the National Science Centre, Poland , the HARMONIA project under contract UMO-2015/18/M/ST2/00518 (2016–2019), and by grant K 25105 of the National Research, Development and Innovation Fund in Hungary. We gratefully acknowledge the support by the U.S. DOE . en_US
dc.language.iso en en_US
dc.publisher Physics of the Dark Universe en_US
dc.title LHC Dark Matter Working Group: Next-generation spin-0 dark matter Models en_US
dc.type Article en_US
dc.description.scholarlevel Faculty en_US
dc.description.reviewstatus Reviewed en_US

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