FACET: a new long-lived particle detector in the very forward region of the CMS experiment

S Çerçi ,J Nachtman,Y Onel,J Hirschauer,D R Green,A Skuja,D Lazic,F Cerutti,G Landsberg,A Penzo,H Sert,C Simsek,J Berryhill,C Zorbilmez,O Aydilek,L Emediato,Z Liu,A Mestvirishvili,M Sabaté-Gilarte,D Sunar Cerci,Mingxuan Du ,Suchita Kulkarni ,Jens Erik Brücken ,B Işıldak ,S Özkorucuklu ,N J Hadley ,M Albrow ,B Hacışahinoğlu ,Rui-Qin Fang ,I Hoş ,Van Que Tran

doi:10.1007/jhep06(2022)110

FACET: a new long-lived particle detector in the very forward region of the CMS experiment

S Çerçi , J Nachtman + Show 29 more

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https://doi.org/10.1007/jhep06(2022)110

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Journal: Journal of High Energy Physics	Publication Date: Jun 1, 2022
Citations: 30	License type: open-access

Affiliation: University of Iowa, Nanjing University, Nawi Graz, University of Graz, Fermi National Accelerator Laboratory, University of Maryland, College Park, Boston University, European Organization for Nuclear Research, Brown University, Providence College, Helsinki Institute of Physics, University of Helsinki, Istanbul University, Özyeğin University, Istanbul University-Cerrahpaşa, Adıyaman University, Shanghai Jiao Tong University, Phenikaa University

#Dark Higgs Bosons #Axion-like Particles + Show 8 more

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Abstract

We describe a proposal to add a set of very forward detectors to the CMS experiment for the high-luminosity era of the Large Hadron Collider to search for beyond the standard model long-lived particles, such as dark photons, heavy neutral leptons, axion-like particles, and dark Higgs bosons. The proposed subsystem is called FACET for Forward-Aperture CMS ExTension, and will be sensitive to any particles that can penetrate at least 50 m of magnetized iron and decay in an 18 m long, 1 m diameter vacuum pipe. The decay products will be measured in detectors using identical technology to the planned CMS Phase-2 upgrade.

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