Recommendations of the LHC Dark Matter Working Group: Comparing LHC searches for dark matter mediators in visible and invisible decay channels and calculations of the thermal relic density

Albert, Andreas; Backović, Mihailo; Boveia, Antonio; Buchmueller, Oliver; Busoni, Giorgio; De Roeck, Albert; Doglioni, Caterina; DuPree, Tristan; Fairbairn, Malcolm; Genest, Marie-Hélène; Gori, Stefania; Gustavino, Giuliano; Hahn, Kristian; Haisch, Ulrich; Harris, Philip C.; Hayden, Dan; Ippolito, Valerio; John, Isabelle; Kahlhoefer, Felix; Kulkarni, Suchita; Landsberg, Greg; Lowette, Steven; Mawatari, Kentarou; Riotto, Antonio; Shepherd, William; Tait, Tim M. P.; Tolley, Emma; Tunney, Patrick; Zaldivar, Bryan; Zinser, Markus

doi:10.1016/j.dark.2019.100377

Title: Recommendations of the LHC Dark Matter Working Group: Comparing LHC searches for dark matter mediators in visible and invisible decay channels and calculations of the thermal relic density

Journal Article · Sun Dec 01 00:00:00 EST 2019 · Physics of the Dark Universe

DOI:https://doi.org/10.1016/j.dark.2019.100377· OSTI ID:1574508

Albert, Andreas; Backović, Mihailo; Boveia, Antonio; Buchmueller, Oliver; Busoni, Giorgio; De Roeck, Albert; Doglioni, Caterina; DuPree, Tristan; Fairbairn, Malcolm; Genest, Marie-Hélène; Gori, Stefania; Gustavino, Giuliano; Hahn, Kristian; Haisch, Ulrich; Harris, Philip C.; Hayden, Dan; Ippolito, Valerio; John, Isabelle; Kahlhoefer, Felix; Kulkarni, Suchita more »

Weakly-coupled TeV-scale particles may mediate the interactions between normal matter and dark matter. If so, the LHC would produce dark matter through these mediators, leading to the familiar "mono-X" search signatures, but the mediators would also produce signals without missing momentum via the same vertices involved in their production. This document from the LHC Dark Matter Working Group suggests how to compare searches for these two types of signals in case of vector and axial-vector mediators, based on a workshop that took place on September 19/20, 2016 and subsequent discussions. These suggestions include how to extend the spin-1 mediated simplified models already in widespread use to include lepton couplings. This document also provides analytic calculations of the relic density in the simplified models and reports an issue that arose when ATLAS and CMS first began to use preliminary numerical calculations of the dark matter relic density in these models.

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Research Organization:: Brown Univ., Providence, RI (United States); The Ohio State Univ., Columbus, OH (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF); European Research Council (ERC)

Grant/Contract Number:: SC0010010; SC0011726; PHY-1316792; PHY-1620638

OSTI ID:: 1574508

Alternate ID(s):: OSTI ID: 1596838

Report Number(s):: CERN-LPCC-2017-01; S2212686419301682; 100377; PII: S2212686419301682

Journal Information:: Physics of the Dark Universe, Journal Name: Physics of the Dark Universe Vol. 26 Journal Issue: C; ISSN 2212-6864

Publisher:: ElsevierCopyright Statement

Country of Publication:: Netherlands

Language:: English

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Cited by: 29 works

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