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Abstract:

This Letter presents a normalized differential cross-section measurement in a fiducial phase-space region where interference effects between top-quark pair production and associated production of a single top quark with a W boson and a b-quark are significant. Events with exactly two leptons (ee, μμ, or eμ) and two b-tagged jets that satisfy a multiparticle invariant mass requirement are selected from 36.1 fb-1 of proton-proton collision data taken at s=13 TeV with the ATLAS detector at the LHC in 2015 and 2016. The results are compared with predictions from simulations using various strategies for the interference. The standard prescriptions for interference modeling are significantly different from each other but are within 2σ of the data. State-of-the-art predictions that naturally incorporate interference effects provide the best description of the data in the measured region of phase space most sensitive to these effects. These results provide an important constraint on interference models and will guide future model development and tuning. © 2018 CERN.

Registro:

Documento: Artículo
Título:Probing the Quantum Interference between Singly and Doubly Resonant Top-Quark Production in pp Collisions at s =13 TeV with the ATLAS Detector
Autor:Aaboud, M. et al.
Este artículo contiene 2917 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 2917 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Palabras clave:Bosons; Phase space methods; Differential cross section; Interference effects; Interference modeling; Interference models; Phase space regions; Proton proton collisions; Quantum interference; State of the art; Tellurium compounds
Año:2018
Volumen:121
Número:15
DOI: http://dx.doi.org/10.1103/PhysRevLett.121.152002
Título revista:Physical Review Letters
Título revista abreviado:Phys Rev Lett
ISSN:00319007
CODEN:PRLTA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00319007_v121_n15_p_Aaboud

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Citas:

---------- APA ----------
(2018) . Probing the Quantum Interference between Singly and Doubly Resonant Top-Quark Production in pp Collisions at s =13 TeV with the ATLAS Detector. Physical Review Letters, 121(15).
http://dx.doi.org/10.1103/PhysRevLett.121.152002
---------- CHICAGO ----------
Aaboud, M. "Probing the Quantum Interference between Singly and Doubly Resonant Top-Quark Production in pp Collisions at s =13 TeV with the ATLAS Detector" . Physical Review Letters 121, no. 15 (2018).
http://dx.doi.org/10.1103/PhysRevLett.121.152002
---------- MLA ----------
Aaboud, M. "Probing the Quantum Interference between Singly and Doubly Resonant Top-Quark Production in pp Collisions at s =13 TeV with the ATLAS Detector" . Physical Review Letters, vol. 121, no. 15, 2018.
http://dx.doi.org/10.1103/PhysRevLett.121.152002
---------- VANCOUVER ----------
Aaboud, M. Probing the Quantum Interference between Singly and Doubly Resonant Top-Quark Production in pp Collisions at s =13 TeV with the ATLAS Detector. Phys Rev Lett. 2018;121(15).
http://dx.doi.org/10.1103/PhysRevLett.121.152002