Search for heavy long-lived multi-charged particles in the full LHC Run 2 pp collision data at s=13 TeV using the ATLAS detector
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Fecha
2023-12
Profesor/a Guía
Facultad/escuela
Idioma
en
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Elsevier B.V.
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Licencia CC
Licencia CC
Resumen
A search for heavy long-lived multi-charged particles is performed using the ATLAS detector at the LHC. Data collected in 2015–2018 at s=13 TeV from pp collisions corresponding to an integrated luminosity of 139 fb−1 are examined. Particles producing anomalously high ionization, consistent with long-lived spin-½ massive particles with electric charges from |q|=2e to |q|=7e are searched for. No statistically significant evidence of such particles is observed, and 95% confidence level cross-section upper limits are calculated and interpreted as the lower mass limits for a Drell–Yan plus photon-fusion production mode. The least stringent limit, 1060 GeV, is obtained for |q|=2e particles, and the most stringent one, 1600 GeV, is for |q|=6e particles. © 2023 The Author(s)
Notas
Indexación: Scopus
Palabras clave
LHC, pp collisions, Multi-charged Particles, √𝑠 = 13 TeV
Citación
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. Volume 847. 10 December 2023. Article number 138316