Probing displaced top quark signature at the LHC Run 3

التفاصيل البيبلوغرافية
العنوان: Probing displaced top quark signature at the LHC Run 3
المؤلفون: Andrea, Jeremy, Bloch, Daniel, Conte, Eric, Darej, Douja, Ducrocq, Robin, Nibigira, Emery
سنة النشر: 2022
المجموعة: High Energy Physics - Phenomenology
مصطلحات موضوعية: High Energy Physics - Phenomenology
الوصف: In the context of prospective studies for searches of new physics at the LHC Run 3, this paper investigates the relevance of using top quarks produced from new long-lived particles, and detected in the tracker volume of the ATLAS and CMS experiments. Such a signature, referred to as displaced top quarks, leads to final states containing displaced vertices and a high multiplicity of displaced jets and tracks, thanks to the top quark decays. Therefore, it is a possible powerful tool for searching for new long-lived particles. Three simplified models based on supersymmetry are explicitly designed for the study of this signature. They differ according to the nature of the long-lived heavy particle which produces at least one top quark: electrically neutral or charged, coloured or non-coloured long-lived particle. For each model, a wide region of parameter space, consistent with a reasonable number of displaced top quarks decaying in a typical tracker volume has been probed. From this study, promising benchmarks are defined and experimental guidelines are suggested.
Comment: 24 pages, 48 figures
نوع الوثيقة: Working Paper
DOI: 10.1140/epjc/s10052-023-11470-6
URL الوصول: http://arxiv.org/abs/2212.06678
رقم الأكسشن: edsarx.2212.06678
قاعدة البيانات: arXiv
الوصف
DOI:10.1140/epjc/s10052-023-11470-6