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Long-lived particles at the energy frontier: the MATHUSLA physics case
Reports on Progress in Physics ( IF 16.620 ) Pub Date : 2019-10-01 , DOI: 10.1088/1361-6633/ab28d6
David Curtin, Marco Drewes, Matthew McCullough, Patrick Meade, Rabindra N Mohapatra, Jessie Shelton, Brian Shuve, Elena Accomando, Cristiano Alpigiani, Stefan Antusch, Juan Carlos Arteaga-Velázquez, Brian Batell, Martin Bauer, Nikita Blinov, Karen Salomé Caballero-Mora, Jae Hyeok Chang, Eung Jin Chun, Raymond T Co, Timothy Cohen, Peter Cox, Nathaniel Craig, Csaba Csáki, Yanou Cui, Francesco D’Eramo, Luigi Delle Rose, P S Bhupal Dev, Keith R Dienes, Jeff A Dror, Rouven Essig, Jared A Evans, Jason L Evans, Arturo Fernández Tellez, Oliver Fischer, Thomas Flacke, Anthony Fradette, Claudia Frugiuele, Elina Fuchs, Tony Gherghetta, Gian F Giudice, Dmitry Gorbunov, Rick S Gupta, Claudia Hagedorn, Lawrence J Hall, Philip Harris, Juan Carlos Helo, Martin Hirsch, Yonit Hochberg, Anson Hook, Alejandro Ibarra, Seyda Ipek, Sunghoon Jung, Simon Knapen, Eric Kuflik, Zhen Liu, Salvator Lombardo, H J Lubatti, David McKeen, Emiliano Molinaro, Stefano Moretti, Natsumi Nagata, Matthias Neubert, J..

We examine the theoretical motivations for long-lived particle (LLP) signals at the LHC in a comprehensive survey of standard model (SM) extensions. LLPs are a common prediction of a wide range of theories that address unsolved fundamental mysteries such as naturalness, dark matter, baryogenesis and neutrino masses, and represent a natural and generic possibility for physics beyond the SM (BSM). In most cases the LLP lifetime can be treated as a free parameter from the ##IMG## [http://ej.iop.org/images/0034-4885/82/11/116201/ropab28d6ieqn001.gif] m scale up to the Big Bang Nucleosynthesis limit of ##IMG## [http://ej.iop.org/images/0034-4885/82/11/116201/ropab28d6ieqn002.gif] m. Neutral LLPs with lifetimes above ##IMG## [http://ej.iop.org/images/0034-4885/82/11/116201/ropab28d6ieqn003.gif] 100 m are particularly difficult to probe, as the sensitivity of the LHC main detectors is limited by challenging backgr...
更新日期:2019-10-02

 

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