Probing top anomalous couplings at the LHC with trilepton signatures in the single top mode

التفاصيل البيبلوغرافية
العنوان: Probing top anomalous couplings at the LHC with trilepton signatures in the single top mode
المؤلفون: Agram, Jean-Laurent, Andrea, Jeremy, Conte, Eric, Fuks, Benjamin, Gelé, Denis, Lansonneur, Pierre
المصدر: Phys. Lett. B725 (2013) 123-126
سنة النشر: 2013
المجموعة: High Energy Physics - Phenomenology
مصطلحات موضوعية: High Energy Physics - Phenomenology
الوصف: We investigate trilepton final states to probe top anomalous couplings at the Large Hadron Collider. We focus on events originating from the associated production of a single top quark with a Z-boson, a channel sensitive to several flavor-changing neutral interactions of top and up/charm quarks. In particular, we explore a way to access simultaneously their anomalous couplings to Z-bosons and gluons and derive the discovery potential of trilepton final states to such interactions with 20 fb-1 of 8 TeV collisions. We show that effective coupling strengths of O(0.1-1) TeV-1 can be reached. Equivalently, branching fractions of top quarks into lighter quarks and gluons or Z-bosons can be constrained to be below O(0.1-1)%.
Comment: 5 pages, 3 figures, 1 table; version accepted by PLB
نوع الوثيقة: Working Paper
DOI: 10.1016/j.physletb.2013.06.052
URL الوصول: http://arxiv.org/abs/1304.5551
رقم الأكسشن: edsarx.1304.5551
قاعدة البيانات: arXiv
الوصف
DOI:10.1016/j.physletb.2013.06.052