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New physics searches with heavy-ion collisions at the LHC
Roderik Bruce, David d'Enterria, Albert de Roeck +18
This document summarises proposed searches for new physics accessible in the heavy-ion mode at the CERN Large Hadron Collider (LHC), both through hadronic and ultraperipheral …
Freeze-in leptogenesis with 3 right-handed neutrinos
Michele Lucente, Asmaa Abada, Giorgio Arcadi +3
We provide the first systematic study of the viable parameter space for leptogenesis in the type-I seesaw model with three right-handed neutrinos whose Majorana masses lie below th…
A Letter of Intent for MATHUSLA: a dedicated displaced vertex detector above ATLAS or CMS
Cristiano Alpigiani, Austin Ball, Liron Barak +61
In this Letter of Intent (LOI) we propose the construction of MATHUSLA (MAssive Timing Hodoscope for Ultra-Stable neutraL pArticles), a dedicated large-volume displaced vertex dete…
Low-scale leptogenesis with three heavy neutrinos
Asmaa Abada, Giorgio Arcadi, Valerie Domcke +3
Leptogenesis induced by the oscillations of GeV-scale neutrinos provides a minimal and testable explanation of the baryon asymmetry of the Universe. In this work we extend previous…
Searching for New Long Lived Particles in Heavy Ion Collisions at the LHC
Marco Drewes, Andrea Giammanco, Jan Hajer +2
We show that heavy ion collisions at the LHC provide a promising environment to search for new long lived particles in well-motivated New Physics scenarios. One advantage lies in t…
Long-Lived Particles at the Energy Frontier: The MATHUSLA Physics Case
David Curtin, Marco Drewes, Matthew McCullough +85
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…