Searching for new physics at the lifetime frontier

Results published in:

• Long-lived particle phenomenology in one-loop neutrino mass models with dark matter, Carolina Arbeláez, Giovanna Cottin, Juan Carlos Helo, Martin Hirsch, Téssio B. de Melo, JHEP 02 (2025) 049 

• Quark flavor violation and axion-like particles from top-quark decays at the LHC,  Kingman Cheung, Fei-Tung Chung, Giovanna Cottin, Zeren Simon Wang, JHEP 07 (2024) 209

• Reinterpretation of searches for long-lived particles from meson decays, R. Beltrán, G. Cottin, M. Hirsch, A. Titov and Z. S. Wang,  JHEP 05 (2023) 031

• Long-lived heavy neutral leptons with a displaced shower signature at CMS, G. Cottin, J.C. Helo, M. Hirsch, C. Peña, C. Wang, Si Xie, JHEP 02, 011 (2023) 

• Long-lived heavy neutral leptons from mesons in effective field theory, R. Beltrán, G. Cottin, J. C. Helo, M. Hirsch, A. Titov and Z. S. Wang,  JHEP 01, 015 (2023) 

• Revisiting the scotogenic model with scalar dark matter, Ivania M. Ávila, G. Cottin, Marco A. Díaz, J.Phys.G 49, 6 065001 (2022)

• Searching for light neutralinos with a displaced vertex at the LHC, G. Cottin, J. C. Helo, N. Neill, F. Hernández-Pinto and Z. S. Wang, JHEP 10, 095(2022)

• Displaced Neutrino Jets at the LHeC, G. Cottin, O. Fischer, S. Mandal, M. Mitra and R. Padhan, JHEP 06, 168(2022) 

Work from this research has been presented at:

• SAPHIR ARM 2025: Unveiling the Unknown, Long-lived Particles @ PUC, January 29, 2025

• 9th International Conference on High Energy Particle and Nuclear Physics in the LHC Era (HEPNP2025), Displaced ALPs from tops @ LHC, UTFSM, January 7, 2025

• Displaced Collider Phenomenology, Theoretical Physics Seminar, Universidad San Sebastián, December 5, 2024

• XV Latin American Symposium on High Energy Physics (SILAFAE), Long-lived Particles, Cinvestav, Mexico City, 4 November 2024

• Displaced ALPs from top decays @LHC, LLP2024: Fourteenth workshop of the Long-Lived Particle Community, University of Tokyo, July 5 2024

• A Long-lived Collaboration, HirschFest, IFIC Valencia, January 2024

• The need for long-lived particle searches at the LHC and beyond, NYU Abu Dhabi Physics Seminar, October 11 2023

• Long-lived Heavy Neutral Leptons at the LHC, NYU Abu Dhabi, HEP Group Seminar, October 10th 2023

• UTFSM Seminar, Reinterpretation of Long-Lived Particle Searches at the LHC, Chile, August 30, 2023

• 11th Large Hadron Collider Physics Conference, LLP Overview: Theory Perspective, Belgrade, Serbia, May 22, 2023

• SAPHIR ARM 2023 - Theory meets experiment, Long-lived particle phenomenology, La Serena, Chile, January 2023

• 8th International Conference on High Energy Physics in the LHC Era, Valparaíso, Chile, Long-lived Heavy Neutral Leptons at the LHC, January 13, 2023

• IFIC Seminar, The need for long-lived particle searches at the LHC and beyond, December 13, 2022

• Searching for long-lived particles at the LHC and beyond: Eleventh workshop of the LLP Community, Long-Lived Heavy Neutral Leptons with a displaced shower signature, June 3, 2022

• LAWPHYSICS, Latin American Webinars in physics, Long-lived fermions at the LHC and beyond, March 30, 2022